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TrueSciPhi

Astronomers' Favorite Twitter Feeds

Updated: 2017-Apr-26 18:02 UTC. Listed feeds: 300. A feed's score is the percentage of Astronomers on Twitter following it, and dark shading indicates the feed belongs to a member of that list. Switch to collage. List only feeds under 1,000 followers. Feedback: @TrueSciPhi.

#Twitter profileTwitter
followers 
Score 
1.profile imageKatie Mack
@AstroKatie


(a.k.a. Dr Katherine J Mack) astrophysicist, occasional freelance science writer, connoisseur of airplane food
Melbourne, Australia, or not
astrokatie.com
8 yrs, 0 mos on Twitter
131,748 71.4%
2.profile imagePhil Plait
@BadAstronomer


SCIENCE! I love this stuff. My blog RSS feed: blastr.com/tags/bad-astro…
Bad Astronomy
Boulder
about.me/philplait
10 yrs, 0 mos on Twitter
577,815 70.7%
3.profile imageNASA
@NASA


Explore the universe and discover our home planet with @NASA. We usually post in EDT (UTC-4).
nasa.gov
9 yrs, 4 mos on Twitter
23,160,568 68.1%
4.profile imageEmily Lakdawalla
@elakdawalla


Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist, writer, public speaker. Writing a book on Curiosity mission. Asteroid 274860.
Pasadena, CA
planetary.org/emily
8 yrs, 11 mos on Twitter
125,766 68.1%
5.profile imageNeil deGrasse Tyson
@neiltyson


Astrophysicist
Welcome to the Universe
Astrophysics for People in a Hurr...
Welcome to the Universe
New York City
haydenplanetarium.org/tyson/
8 yrs, 2 mos on Twitter
7,246,675 60.5%
6.profile imageCuriosity Rover
@MarsCuriosity


NASA's latest mission to explore the surface of Mars. Roving the Red Planet since Aug. 5, 2012 (PDT) (Aug 6 UTC).
Gale Crater, Mars
mars.jpl.nasa.gov/msl/
8 yrs, 9 mos on Twitter
3,666,340 57.6%
7.profile imagechrislintott
@chrislintott


Astronomer, zookeeper and journalist, based at University of Oxford.
The Cosmic Tourist
Exploring the Mysteries of the Un...
Bang!
Oxford
zooniverse.org
8 yrs, 7 mos on Twitter
25,933 56.5%
8.profile imageSarah Kendrew
@sarahkendrew


Astronomer with the European Space Agency. Based at the Space Telescope Science Institute in Baltimore. Opinions my own.
Baltimore/Cape Town/Brussels
skendrew.github.io
9 yrs, 7 mos on Twitter
5,372 55.1%
9.profile imageMaria Womack
@StarzanPlanets


Astrophysicist & planetary scientist @USouthFlorida physics professor. Mostly comets, exoplanets, stars, #astropolicy and #scipolicy Contains no pseudoscience.
Tampa, Florida
physics.usf.edu/faculty/mwomac…
7 yrs, 8 mos on Twitter
3,660 54.3%
10.profile imageBarack Obama
@BarackObama


Dad, husband, President, citizen.
Washington, DC
obama.org
10 yrs, 1 mo on Twitter
87,176,156 53.3%
11.profile imageSarah Hörst
@PlanetDr


Assistant Prof of Planetary Science @JohnsHopkins, Titan evangelist, pomeranian wrangler. Prone to #sciencedancing. Loves socks. Stridently anti-breakfast.
Baltimore, MD, USA
sarahhorst.com
8 yrs, 0 mos on Twitter
25,552 53.3%
12.profile imageBrian Cox
@ProfBrianCox


I tweet about science and, on occasion, politics because I am a citizen (of the UK, Europe and the world). I am uncertain about many things and not always right
The Earth, with everyone else
apolloschildren.com
8 yrs, 4 mos on Twitter
2,550,759 52.9%
13.profile imageDavid W. Hogg
@davidwhogg


astronomy, cosmology, stars, exoplanets, inference, engineering, data analysis, emcee, The Cannon, Astrometry.net, The Tractor, #openscience, #otherpeoplesdata
New York City
dwh.gg/dwhogg
6 yrs, 0 mos on Twitter
4,161 51.1%
14.profile imageAstroBetter
@astrobetter


Blog and Wiki for professional astronomers.
astrobetter.com
8 yrs, 0 mos on Twitter
3,992 51.1%
15.profile imageSpaceX
@SpaceX


Official Twitter for SpaceX, the future of space travel. SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft.
Hawthorne, CA
spacex.com
8 yrs, 0 mos on Twitter
3,310,727 50.7%
16.profile imageLucianne Walkowicz
@shaka_lulu


astrophysicist @AdlerPlanet. artist. guitarist in @ditchclub. transient bioelectrical phenomenon hurtling through space. (banner: "Afronauts" by @tobogganeer) Ⓥ
Chicago, IL, USA, Earth
tangledfields.com
6 yrs, 2 mos on Twitter
9,076 50.7%
17.profile imageAstro Pic Of The Day
@apod


Each day a different image of our universe along with a brief explanation. For issues with this account contact @astronomyblog otherwise apod.nasa.gov/apod/lib/apsub…
Earth
apod.nasa.gov/apod/astropix.…
9 yrs, 8 mos on Twitter
1,190,523 50.0%
18.profile imageMike Brown
@plutokiller


Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad.
How I Killed Pluto and Why It Had...
Pasadena, CA
mikebrownsplanets.com
8 yrs, 0 mos on Twitter
49,311 49.6%
19.profile imageCatherine Q.
@CatherineQ


Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. Autoimmune illness girl. Kiwi in US. Dogs rule.
USA
CatherineQ.com
8 yrs, 2 mos on Twitter
32,506 49.6%
20.profile imageESA
@esa


European Space Agency, keeping you posted on European space activities.
Europe
esa.int
8 yrs, 2 mos on Twitter
714,727 49.3%
21.profile imageKaren Masters 🌸🌸🌸
@KarenLMasters


Extragalactic astrophysicist @UoPCosmology. @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Vice-President of @popAstro. Mostly tweeting astronomy.
Portsmouth, UK
icg.port.ac.uk/~mastersk
8 yrs, 2 mos on Twitter
5,353 48.9%
22.profile imageNASA JPL
@NASAJPL


NASA Jet Propulsion Laboratory manages many of NASA's robotic missions exploring Earth, the solar system and our universe. Tweets from JPL's News Office.
Pasadena, Calif.
jpl.nasa.gov
8 yrs, 2 mos on Twitter
1,725,256 48.6%
23.profile imageAlex Parker
@Alex_Parker


Planetary astronomer and artist exploring the origin and history of icy worlds at the edge of our solar system.
Boulder, Colorado
alexharrisonparker.com
8 yrs, 3 mos on Twitter
14,661 48.6%
24.profile image★ amanda bauer ★
@astropixie


Head of Education & Public Outreach for LSST. Music creator. Co-host of #CosmicVertigo space podcast abc.net.au/radionational/…
Tucson, AZ
amandabauer.blogspot.com
9 yrs, 1 mo on Twitter
8,264 48.6%
25.profile imageJulianne Dalcanton
@dalcantonJD


Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
5 yrs, 3 mos on Twitter
4,175 48.6%
26.profile imageFraser Cain
@fcain


Publisher of universetoday.com, co-host of astronomycast.com. Named after Asteroid 158092.
Courtenay, British Columbia
about.me/frasercain
10 yrs, 1 mo on Twitter
36,063 47.8%
27.profile imageastrobites
@astrobites


Digestible summaries of the latest research in astrophysics, written by graduate students. Astrobites is supported by the American Astronomical Society.
All over the world
astrobites.org
6 yrs, 3 mos on Twitter
5,640 47.8%
28.profile imageAlyssa Goodman
@aagie


Astronomy Professor at Harvard, figuring out how the Universe makes stars. Trying to make Astronomy more Seamless and STEM education more fun.
Massachusetts
cfa.harvard.edu/~agoodman
8 yrs, 3 mos on Twitter
3,210 47.1%
29.profile imageNASA Kepler and K2
@NASAKepler


Trailing Earth around the Sun
nasa.gov/kepler
8 yrs, 4 mos on Twitter
599,506 46.7%
30.profile imageSean Carroll
@seanmcarroll


Physicist and author at Caltech. Married to @JenLucPiquant. Poetic naturalist. Asking questions of the universe, hoping they're the right ones. See also @wiawm.
Los Angeles
preposterousuniverse.com
8 yrs, 2 mos on Twitter
92,208 46.7%
31.profile imageBryan Gaensler
@SciBry


Astronomer, politics fanatic, sci-fi connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Director of @DunlapInstitute at @UofT. Opinions ∉ @UofT
Extreme Cosmos
Toronto, Canada
bryangaensler.net
7 yrs, 8 mos on Twitter
5,712 46.7%
32.profile imageElon Musk
@elonmusk


Tesla, SpaceX, OpenAI & Neuralink
Boring
7 yrs, 10 mos on Twitter
8,367,572 46.0%
33.profile imageSarah Tuttle
@niais


Astrophysicist. Mom. Lunatic. Bionic Woman. Armed with wrenches & a dream. Professor. Legally & reputationally risky. 100% problematic.
Feminist Dystopian Hellscape
astrotuttle.wordpress.com
9 yrs, 3 mos on Twitter
7,523 45.7%
34.profile imageMeg Urry
@Meg_Urry


Yale professor of physics, President of American Astronomical Society, likes supermassive black holes, teaching, writing, increasing diversity, ++my family
Yale University
urrylab.yale.edu
5 yrs, 5 mos on Twitter
3,746 45.7%
35.profile imageRenée Hložek
@reneehlozek


South African cisgender, bisexual female Assistant Prof. of Astrophysics, Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist.
Toronto, Ontario
reneehlozek.moonfruit.com
7 yrs, 8 mos on Twitter
3,626 45.7%
36.profile imageESA Rosetta Mission
@ESA_Rosetta


ESA spacecraft that studied Comet 67P/Churyumov-Gerasimenko & sent @philae2014 to its surface. Mission completed 30 Sep 2016. Follow @esascience for latest news
rosetta.esa.int
6 yrs, 2 mos on Twitter
514,060 45.3%
37.profile imageKelle Cruz
@kellecruz


Astronomer, professor at @Hunter_College, associate at @AMNH. Liveable streets advocate. @Spurs fan. Founder, editor of @AstroBetter & CEO of @ScienceBetter
New York, NY
astrobetter.com
8 yrs, 3 mos on Twitter
3,289 45.3%
38.profile imagePamela L. Gay
@starstryder


Communicating astronomy and life in academia 1 sidereal day at a time. All opinions & ideas expressed are strictly my own.
Edwardsville, IL
starstryder.com
9 yrs, 3 mos on Twitter
30,149 44.9%
39.profile imageAstrotweep: James
@astrotweeps


James Guillochon • @astrocrash • https://t.co/M3xNXcq15L • A new astronomer/planetary scientist tweeting about space each week
The Universe
3 yrs, 3 mos on Twitter
6,468 44.9%
40.profile imageMolly Peeples
@astronomolly


Astronomer in the Science Policies Group @STScI playing with galaxies and gas, real and fake. #Hubble and #WFIRST pay the bills; opinions are my own. She/her.
Baltimore, MD, z=0
molly.science
4 yrs, 6 mos on Twitter
3,474 44.9%
41.profile imageProf. Abel Méndez
@ProfAbelMendez


Planetary Astrobiologist and Director of the @PlanetaryHabLab. Studying habitable worlds in the universe.
Searching for Habitable Worlds
Arecibo, Puerto Rico
phl.upr.edu
7 yrs, 5 mos on Twitter
10,372 44.6%
42.profile imageBrooke Simmons
@vrooje


Somewhat distracted astrophysicist researching galaxies and black holes; on @galaxyzoo & @the_zooniverse teams. Also: equity & diversity in science.
San Diego, CA
vrooje.github.io
8 yrs, 7 mos on Twitter
3,400 44.6%
43.profile imageNewHorizons2015
@NewHorizons2015


The First Space Mission to Explore Planet Pluto--Ride Along Via Principal Investigator Alan Stern's Private New Horizons Twitter Feed. Follow Stern @AlanStern
Deeeeep Space
8 yrs, 9 mos on Twitter
268,999 44.2%
44.profile imageNicole Gugliucci
@NoisyAstronomer


Astronomer. Educator. Professor. Social justice advocate. Geek. Crossfitter. Dog mom. Tweets my own. RT != endorsement.
New Hampshire, USA
noisyastronomer.com
8 yrs, 10 mos on Twitter
12,837 44.2%
45.profile imageBrian Schmidt
@cosmicpinot


An overly busy Cosmologist who is Vice Chancellor of the ANU, Wine maker, Dad & Husband. 2011 Nobel Laureate in Physics
Canberra Australia
msowww.anu.edu.au/~brian
7 yrs, 4 mos on Twitter
18,548 43.8%
46.profile imageMC Stardust ✨
@Summer_Ash


Astrophysicist by day and all around rock-it scientist whenever I get my act together. Tweets are my own opinions. Intersectional or GTFO. 1/2 of @startorialist
Moon/New York City
summerash.com
7 yrs, 0 mos on Twitter
9,904 43.1%
47.profile imageJonathan McDowell
@planet4589


I'm an astronomer at the Harvard-Smithsonian Center for Astrophysics, working on Chandra and quasars, and commenting on space launches and space activities.
Somerville, MA, USA
planet4589.org
8 yrs, 3 mos on Twitter
9,493 43.1%
48.profile imageEmily Rice
@emilylurice


Astronomer at @csinews, @GC_CUNY, & @AMNH; #BDNYC & #CUNYAstro; @AstronomyOnTap organizer, 1/2 of @startorialist, & @knitted_bd host ⭐️. Not @djcarlysagan 😜
NYC
emilylrice.me
9 yrs, 7 mos on Twitter
3,221 43.1%
49.profile imageSarcasticRover
@SarcasticRover


Doing a science on the red planet. Not @MarsCuriosity. Tweets relayed by @jfiliatrault.
4th Rock From the Sun
4 yrs, 8 mos on Twitter
345,857 42.4%
50.profile imageMeg Schwamb
@megschwamb


Planetary scientist, astronomer, Gemini North assistant scientist: KBOs, Planet Four (Mars), MBCs(Comet Hunters), & citizen science. Opinions tweeted are my own
Hilo, HI
megschwamb.com
6 yrs, 11 mos on Twitter
3,058 41.7%
51.profile imagePhilae Lander
@Philae2014


On 12 November 2014 I landed on comet #67P as part of @ESA_Rosetta. I am operated by @DLR_en's Lander Control Center LCC in Cologne.
Interplanetary Space
dlr.de/en/rosetta
6 yrs, 5 mos on Twitter
436,673 41.3%
52.profile imageChris Hadfield
@Cmdr_Hadfield


Canadian Astronaut, back on Earth after living aboard ISS as Commander of Expedition 35. For events and media, please write to [email protected]
Earth
chrishadfield.ca
6 yrs, 7 mos on Twitter
2,048,706 40.9%
53.profile imageNASA New Horizons
@NASANewHorizons


The New Horizons spacecraft, launched in 2006, flew past the the icy dwarf planet Pluto and its moons in July 2015.
Solar System
nasa.gov/mission_pages/…
2 yrs, 8 mos on Twitter
321,544 40.9%
54.profile imagePlanetary Society
@exploreplanets


Co-founded by Sagan. Led by Nye. Forward with you. We advocate for space, create our own missions and educate the world.
Pasadena, CA
planetary.org
6 yrs, 7 mos on Twitter
147,373 40.9%
55.profile imageAlessondraSpringmann
@sondy


asteroids, sounding rockets, radar, saguaro, geology, autoimmune disease, puns, anticolonial intersectional feminism, cat herding, 小惑星レーダー天文学者
Tohono O'odham land
sondy.com
7 yrs, 0 mos on Twitter
4,674 40.9%
56.profile imageDr. Chanda 🇧🇧
@IBJIYONGI


Dr Prescod-Weinstein #BlackandSTEM 🏳️‍🌈 @jocsm4pal astro|physics theory postdoc, gq ♀, EditorInChief @TheOffingMag #histsci #histSTM https://t.co/CTwP5K5W9l
Seattle, WA/Cambridge, MA
cprescodweinstein.com
8 yrs, 10 mos on Twitter
15,603 40.6%
57.profile imageCassiniSaturn
@CassiniSaturn


Cruising around Saturn, its moons and the magnificent rings
Saturn, Solar System
saturn.jpl.nasa.gov
8 yrs, 10 mos on Twitter
1,212,701 39.9%
58.profile imageDavid Charbonneau
@ExoCharbonneau


Exoplaneteer and Professor of Astronomy at Harvard. Girl Scout leader, hockey coach, and proud father of four daughters and future presidents.
Harvard University
cfa.harvard.edu/~dcharbon/Site…
3 yrs, 3 mos on Twitter
2,186 39.9%
59.profile imageThe SETI Institute
@SETIInstitute


We believe we are conducting the most profound search in human history — to know our beginnings and our place among the stars.
Mountain View, CA
seti.org
8 yrs, 0 mos on Twitter
671,345 39.5%
60.profile imageESO
@ESO


The European Southern Observatory (ESO) is the most productive observatory in the world.
Garching, Germany
eso.org
8 yrs, 8 mos on Twitter
57,262 39.5%
61.profile imageAlexandra Witze
@alexwitze


Correspondent for Nature. Tip securely: witzescience at gmail (PGP: C789 E4A2 E54A CC71 789E FD68 CE6F 1ED6 007D 3682) or awitze at protonmail.
Boulder, CO
lakithebook.com
8 yrs, 1 mo on Twitter
16,800 39.5%
62.profile imageBill Nye
@BillNye


Everyone you will ever meet knows something you don't.
New York City
billnye.com
7 yrs, 11 mos on Twitter
4,753,731 39.1%
63.profile imageUniverse Today
@universetoday


Universe Today - universetoday.com, a website about space and astronomy. Tweets are probably coming from @fcain
Courtenay, British Columbia
universetoday.com
8 yrs, 1 mo on Twitter
265,905 39.1%
64.profile imagePeter Edmonds
@PeterDEdmonds


Work in astronomy publicity after surviving an astrophysics PhD & postdocs. Interested in science & scicomm. Opinions are mine & RTs aren't always endorsements.
peterdedmonds.blogspot.com
5 yrs, 3 mos on Twitter
3,838 39.1%
65.profile imageMatthew R Francis
@DrMRFrancis


Writer of science, fiction, and comics. Wearer of jaunty hats. Social Justice Doof Warrior. Avatar by @ScienceComic . Will science for food.
Yavin 4
bowlerhatscience.org
6 yrs, 7 mos on Twitter
13,959 38.8%
66.profile imageMichele Bannister
@astrokiwi


Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots. Asteroid (10463). Research Fellow @AstroQUB.
living the life non-sidereal
astro.uvic.ca/~micheleb/
8 yrs, 2 mos on Twitter
4,860 38.8%
67.profile imageDr. Phil Metzger
@DrPhiltill


Planetary scientist. Co-founded NASA KSC SwampWorks. Now at UCF Florida Space Institute but still on SwampWorks team. SpaceMining. Space settlement. Science.
Kennedy Space Center & Orlando
philipmetzger.com/blog/
4 yrs, 4 mos on Twitter
67,752 38.4%
68.profile imageDavid Spergel
@DavidSpergel


Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
astro.princeton.edu/~dns
3 yrs, 3 mos on Twitter
3,604 38.4%
69.profile imageNature News&Comment
@NatureNews


Science news & opinion from the news team at Nature, the weekly journal of #science. Get our daily newsletter: go.nature.com/dailynews
Worldwide
nature.com/news
8 yrs, 8 mos on Twitter
1,664,655 38.0%
70.profile imageNASA's Juno Mission
@NASAJuno


Exploring Jupiter to improve our understanding of the planet’s origins and the formation of planetary systems. https://t.co/ri4ckPjl5M https://t.co/pWwmhgPcsz
Jupiter
8 yrs, 2 mos on Twitter
553,408 38.0%
71.profile imageESA Science
@esascience


Science @ the European Space Agency ESA, keeping you posted on European space science activities.
Noordwijk, The Netherlands
esa.int/science
7 yrs, 3 mos on Twitter
251,177 38.0%
72.profile imageKevin Schawinski
@kevinschawinski


Asst Prof @ETH_en | black holes & galaxies | #citizenscience & @galaxyzoo | deep learning | speaker | space.ml
Zurich, Switzerland
astro.ethz.ch/schawinski
6 yrs, 3 mos on Twitter
2,893 38.0%
73.profile imageJohn Asher Johnson
@astrojohnjohn


Sayer of words, typist of things, one who professes professionally, figurer of things out, player of basketball, abuser of language. Views expressed r mine
How Do You Find an Exoplanet? (Pr...
Cambridge, MA
mahalonottrash.blogspot.com/2015/05/i-am-o…
4 yrs, 2 mos on Twitter
2,168 38.0%
74.profile imageNew Scientist
@newscientist


The best place to find out what’s new in science – and why it matters. To subscribe go to: https://t.co/nsC9MjQzmh
Worldwide
newscientist.com
8 yrs, 2 mos on Twitter
2,744,993 37.7%
75.profile imageNASA Webb Telescope
@NASAWebb


NASA's James Webb Space Telescope will give us an amazing look at the universe! It will launch in 2018. RT, likes, and/or @mentions do not imply endorsement.
Greenbelt, Maryland
jwst.nasa.gov
8 yrs, 0 mos on Twitter
321,053 37.7%
76.profile imageRobert Simpson
@orbitingfrog


Googler, astronomer, TED Fellow. Views are my own.
UK
orbitingfrog.com
10 yrs, 0 mos on Twitter
33,172 37.3%
77.profile imageSarah Ballard
@hubbahubble


Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc!
Cambridge, MA
space.mit.edu/~sarahba
3 yrs, 2 mos on Twitter
2,400 37.0%
78.profile imageLucie Green
@Dr_Lucie


Royal Society University Research Fellow, Professor of Physics at UCL. Staring at the Sun & beyond. Chief Stargazer @popastro. New book: amzn.to/2nitfmi
UK
luciegreen.com
6 yrs, 10 mos on Twitter
17,255 36.6%
79.profile imageDr Chiara Mingarelli
@gravitate_to_me


Marie Curie Fellow in #GravitationalWave #Astrophysics at MPIfR via @Caltech, @NASAJPL, @unibirmingham. From Ottawa, Canada
Gravitational Wave Astrophysics w...
Bonn, Germany
chiaramingarelli.com
6 yrs, 2 mos on Twitter
4,351 36.6%
80.profile imageNadia Drake
@nadiamdrake


Contributing writer @natgeo. Hotel soap connoisseur. Former ballet dancer. Slightly obsessed with planets (and MOONS), supernovas and spiders. Champagneophile.
San Francisco, CA
6 yrs, 6 mos on Twitter
16,379 36.2%
81.profile imageEd Yong
@edyong209


Science writer at The Atlantic. Author of I CONTAIN MULTITUDES, a New York Times bestseller on animal-microbe partnerships. edyong.me
Washington, DC
theatlantic.com/author/ed-yong/
8 yrs, 2 mos on Twitter
112,943 35.9%
82.profile imageJedidah Isler, PhD
@JedidahIslerPhD


Relentless Dreamer / Astrophysicist / Science Lover / Innovator / TED Fellow / Founder & Host @VanguardSTEM / @NatGeo Emerging Explorer / @TheRoot 100
JedidahIslerPhD.com
6 yrs, 8 mos on Twitter
8,015 35.9%
83.profile imageMarc Kuchner
@marckuchner


PI of Citizen Science projects backyardworlds.org, diskdetective.org, Astrophysicist, Songwriter.
Marketing for Scientists
Greenbelt, MD
marketingforscientists.com
8 yrs, 4 mos on Twitter
5,821 35.9%
84.profile imageTim Peake
@astro_timpeake


ESA astronaut & test pilot back on Earth after 6 months in space. Tweets are my own. Book out now (all proceeds to Prince’s Trust): https://t.co/kCC7qgSvBz
Cologne, Germany
timpeake.esa.int
5 yrs, 0 mos on Twitter
1,505,298 35.5%
85.profile imageShit Academics Say
@AcademicsSay


A social experiment | @prof_nch
chronicle.com/article/Academ…
3 yrs, 7 mos on Twitter
244,118 35.5%
86.profile imageRAS
@RoyalAstroSoc


The Royal Astronomical Society is a learned society representing astronomers and geophysicists in the UK & worldwide. Tweets by @RobertMMassey & @MorganDJHollis
Burlington House, London
ras.org.uk
7 yrs, 1 mo on Twitter
22,426 35.5%
87.profile imageJane MacArthur
@Jane_MacArthur


Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. @RoyalAstroSoc Council #actuallivingscientist #STEMAmbassador #UKSpace2017 #PS9605
Mars
janemac.org
8 yrs, 2 mos on Twitter
5,494 35.1%
88.profile imageRisa Wechsler
@RisaWechsler


astrophysicist. cosmologist. maker of universes and various kinds of trouble. professor of physics @ stanford
San Francisco
risawechsler.com
4 yrs, 7 mos on Twitter
2,390 35.1%
89.profile imageThomas Robitaille
@astrofrog


Freelance, software developer, lead developer of Glue, co-ordinator for the Astropy project, software Editor for AAS Publishing, open development advocate.
United Kingdom
thomasrobitaille.com
8 yrs, 0 mos on Twitter
1,803 35.1%
90.profile imageDavid Grinspoon
@DrFunkySpoon


Astrobiologist, author, musician Senior Scientist @planetarysci House Band of Universe. Columnist @SkyandTelescope Sagan Medalist. New book EARTH IN HUMAN HANDS
Earth in Human Hands
Towards Understanding the Climate...
Venus Revealed
Biosphere One
funkyscience.net
5 yrs, 7 mos on Twitter
22,739 34.8%
91.profile imageAmber Straughn
@astraughnomer


Arkansas native & @NASA astrophysicist. Climate change is real. Pilot, yogini, homebrewer, Great Dane mom, @PearlJam fan, Razorback 🏈 fan, #FirstGen Tweets mine
Lukin's
amberstraughn.com
5 yrs, 11 mos on Twitter
9,911 34.8%
92.profile imageHaley Gomez
@astrofairy


I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
Cardiff
haley.gomez.me.uk
7 yrs, 4 mos on Twitter
2,448 34.4%
93.profile imageChristina R.
@PlanSciCRichey


Planetary Scientist/Astrophysicist, Past Chair of @AAS_Women, fighter for inclusion in STEM, runner, wine drinker; views are my own.
womeninastronomy.blogspot.com
1 yr, 7 mos on Twitter
1,734 34.4%
94.profile imageJessie Christiansen
@aussiastronomer


Exoplanet scientist, purveyor of fine @NASAKepler data, and science curator at @NASAExoplanetArchive.
Caltech, Pasadena, CA, USA
spider.ipac.caltech.edu/staff/christia/
3 yrs, 3 mos on Twitter
1,691 34.4%
95.profile imageAlan Duffy
@astroduff


Astronomer / physicist. A/Professor at @Swinburne making galaxies there since 2014. Instagram.com/dr.a.duffy
Melbourne
alanrduffy.com
4 yrs, 9 mos on Twitter
13,605 34.1%
96.profile imageLee Billings
@LeeBillings


Science journalist covering space and physics for @sciam. Author of Five Billion Years of Solitude, a book on the search for alien Earths. Opinions are my own.
New York City
leebillings.com
7 yrs, 11 mos on Twitter
7,261 34.1%
97.profile imageElisabeth Newton
@EllieInSpace


Studying the stars with my feet on the ground. Astro grad interested in #scicomm, education & diversity. Climber, brewer, baker, crafter & @astrobites author.
Cambridge, MA.
cfa.harvard.edu/~enewton
5 yrs, 10 mos on Twitter
1,603 34.1%
98.profile imageNASA's Dawn Mission
@NASA_Dawn


The only spacecraft to orbit one solar system target, Vesta, and then orbit another: Ceres! Thx ion propulsion. Dawn's Communications team
the main asteroid belt
dawn.jpl.nasa.gov
7 yrs, 5 mos on Twitter
190,238 33.7%
99.profile imagePeter Coles
@telescoper


Theoretical astrophysicist, specialising in cosmology. Also interested in jazz, opera, poetry, crosswords, etc. Citizen of Nowhere.
From Cosmos to Chaos
Cosmology
Cosmology
Cardiff, Wales
telescoper.wordpress.com
7 yrs, 6 mos on Twitter
4,357 33.7%
100.profile imageJessica Kirkpatrick
@berkeleyjess


Dr. Jessica Ann Kirkpatrick, Astrophysicist → Data Scientist @Hired_HQ (formerly @Yammer & @InstaEDU). Also @AAS_Women @data4america @techiesproject
San Francisco, CA
berkeleyjess.blogspot.com
7 yrs, 9 mos on Twitter
3,706 33.7%
101.profile imageBenneHolwerda
@BenneHolwerda


Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
the Netherlands
8 yrs, 9 mos on Twitter
1,072 33.7%
102.profile imageBuzz Aldrin
@TheRealBuzz


Astronaut, Apollo XI and Gemini 12; Doctorate from MIT in astronautics, Korean War veteran Architect of Cycling Pathways to Mars photo by pari dukovic
Mars & Space Coast Florida
buzzaldrin.com
7 yrs, 10 mos on Twitter
1,052,195 33.3%
103.profile imageFranck Marchis
@AllPlanets


Planetary astronomer and exoplanet chair at the SETI Institute, husband, dad & crossfit athlete balancing life. Tweet about space, our planet & human rights.
San Francisco
franckmarchis.com
6 yrs, 8 mos on Twitter
4,895 33.3%
104.profile imageMarek Kukula
@marekkukula


Public Astronomer at the Royal Observatory Greenwich, author of The Intimate Universe & co-author of The Scientific Secrets of Dr Who. Opinions = opinions.
The Scientific Secrets of Doctor ...
London
rmg.co.uk/royal-observat…
6 yrs, 8 mos on Twitter
4,819 33.3%
105.profile imageKarin Sandstrom
@karinsandstrom


Assistant professor of astronomy and physics. Lover of coffee, interstellar dust, California, nerdy stuff. Originally from SW Washington.
San Diego, CA
karinsandstrom.github.io
8 yrs, 0 mos on Twitter
1,651 33.3%
106.profile imageSTARtorialist
@startorialist


Where science meets fashion and scientists get FABULOUS! By professional astronomers @Summer_Ash & @emilylurice.
The Universe
startorialist.com
3 yrs, 4 mos on Twitter
3,067 33.0%
107.profile imageAlberto Conti
@albertoconti


Astrophysicist & Innovation Manager google.com/sky/ - hubblesite.org/ibooks Tweets are my own, at least in this multiverse.
MD, USA
en.m.wikipedia.org/wiki/Alberto_C…
8 yrs, 9 mos on Twitter
2,699 33.0%
108.profile imageGeert Barentsen
@GeertHub


NASA Astronomer in Silicon Valley • Kepler/K2 GO Director • Thinks Bayesian • Wields Python • Likes Burritos • Does not own a cat. 🚀🌯😾
Mountain View, CA
geert.io
7 yrs, 11 mos on Twitter
2,108 33.0%
109.profile imageCarolyn Porco
@carolynporco


Planetary scientist. Cassini imaging lead. Visiting Scholar UC Berkeley. Sr Editor Astrobiology journal. I think. I speak. I write. Opinions are my own.
CA
carolynporco.com
7 yrs, 8 mos on Twitter
48,874 32.6%
110.profile imageStuart Clark
@DrStuClark


Astronomer, journalist, author. The Sky's Dark Labyrinth, The Unknown Universe. Writes Across the Universe for The Guardian. Co-hosts The Stuniverse podcast.
Is There Life On Mars?
The Unknown Universe
Little Moon
London
stuartclark.com
7 yrs, 11 mos on Twitter
36,953 32.6%
111.profile imageDr. Ian O'Neill
@astroengine


Recovering British solar physicist, freelance science writer, digital producer, skeptic. Previously: @Discovery, @Seeker. @EVEOnline capsuleer. IG: @astroengine
Woodland Hills, Los Angeles
astroengine.com
8 yrs, 8 mos on Twitter
36,089 32.6%
112.profile imageTanya Harrison
@tanyaofmars


🇨🇦Professional Martian. @asunewspace Research Scientist, @exploreplanets web editor, current/former sci team @MarsRovers, @MarsCuriosity & Mars Recon Orbiter.
Toronto / Tempe
tanyaofmars.com
8 yrs, 1 mo on Twitter
9,410 32.6%
113.profile imageWoman Astro
@womanastronomer


Promoting astronomy, encouraging women/girls interested in science. WomanAstro.com, etsy.com/shop/WomanAstro
Texas
WomanAstronomer.com
7 yrs, 4 mos on Twitter
4,504 32.6%
114.profile imagePhil Marshall
@drphilmarshall


Astrophysicist, into cosmology, gravitational lenses and inference. This is the closest thing I have to a research blog. I'll write more if you tweet at me.
San Francisco
slac.stanford.edu/~pjm
8 yrs, 0 mos on Twitter
1,441 32.6%
115.profile imageRuth Angus
@ruthangus


Researching exoplanets & rebugging in python.
Oxford, UK
ruthang.us
6 yrs, 0 mos on Twitter
1,289 32.6%
116.profile imageCERN
@CERN


CERN, the European Organization for Nuclear Research, is the world's largest particle physics lab and has #RestartLHC for #13TeV collisions. French: @CERN_FR
Geneva
home.cern
8 yrs, 10 mos on Twitter
2,071,907 32.2%
117.profile imageSam Cristoforetti
@AstroSamantha


Samantha Cristoforetti. European of Italian nationality. Lived on ISS Nov'14-Jun'15. Now adjusting back to being an Earthling on our beautiful spaceship Earth.
Europe
samanthacristoforetti.esa.int
5 yrs, 9 mos on Twitter
912,174 32.2%
118.profile imageThe Zooniverse
@the_zooniverse


The world's largest and most successful citizen science organisation. Our projects include Galaxy Zoo, Old Weather, Planet Hunters, Snapshot Serengeti & more.
Zooniverse HQ
zooniverse.org
7 yrs, 5 mos on Twitter
16,968 32.2%
119.profile imageAnna Frebel
@annafrebel


Astronomer & stellar archaeologist searching for the oldest stars in the universe (yes, they are 12-13 billion yrs old!); also professor at MIT & author
Searching for the Oldest Stars
New Horizons in Astronomy
Cambridge, MA, USA
annafrebel.com
3 yrs, 10 mos on Twitter
2,078 32.2%
120.profile imageJennifer L. Hoffman
@astroprofhoff


    Astronomer, associate professor, alto, auntie, ailurophile.  University of Denver
Stellar Polimetry
Denver, CO
grammai.org/jhoffman/
3 yrs, 3 mos on Twitter
1,815 32.2%
121.profile imageEmily Baldwin
@AstroEmz


Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
8 yrs, 1 mo on Twitter
4,655 31.9%
122.profile imageMeredith Rawls
@merrdiff


Stellar astronomer and data management for @LSST. Also: scicommer, violist, Episcopalian. Less nighttime blue light, more 24/7 equity. Keep looking up.
Seattle, WA
faculty.washington.edu/mrawls
7 yrs, 2 mos on Twitter
1,838 31.9%
123.profile imageJane Rigby
@janerrigby


Astronomer who researches black holes & galaxies, uses telescopes around world & in space, helps build Webb Telescope @NASA. Queer, parent, geek, UU. Views mine
DC Metro
janerigby.net
6 yrs, 3 mos on Twitter
1,542 31.9%
124.profile imageJonathan Amos
@BBCAmos


BBC Science Correspondent
Cambridge, UK
bbcnews.com
7 yrs, 3 mos on Twitter
39,078 31.5%
125.profile imageNancy Atkinson
@Nancy_A


Editor for Universe Today and author of the book 'Incredible Stories From Space'
Minnesota
nancyatkinson.com
8 yrs, 10 mos on Twitter
11,267 31.5%
126.profile imageNASA Goddard
@NASAGoddard


Tweeting the best in heliophysics, technology, astrophysics, Earth sciences and robotic exploration for the Goddard Space Flight Center.
Greenbelt, MD USA
nasa.gov/goddard
8 yrs, 2 mos on Twitter
387,848 31.2%
127.profile image.Astronomy
@dotastronomy


Conference series about what happens when hackers, astronomers and the web all get together.
Cambridge, MA, USA
dotastronomy.com
8 yrs, 11 mos on Twitter
3,889 31.2%
128.profile imageDan F-M
@exoplaneteer


I write code for good & astrophysics.
Seattle
dfm.io
5 yrs, 8 mos on Twitter
1,810 31.2%
129.profile imageProf. Jorge Moreno
@astroboy_moreno


Astrophysicist | Visiting Scholar at Harvard | AAS CSMA Chair | Assistant Professor | CPP to Pomona College
Cambridge, MA
jmorenosoto.wix.com/astroboy-moreno
2 yrs, 8 mos on Twitter
1,014 31.2%
130.profile imageScott Kelly
@StationCDRKelly


scottkelly.com
Houston, TX
7 yrs, 8 mos on Twitter
3,329,943 30.8%
131.profile imageNOT ALT WORLD
@NotAltWorld


The #Resistance team against #AltFacts #FauxNews #FauxScience Formerly: Unofficial National Park Service #Science #Climate #Facts Run by non-gov individuals
Worldwide
1 yr, 11 mos on Twitter
1,317,492 30.8%
132.profile imageNYT Science
@NYTScience


Science, Environment, Space and Cosmos. Sign up for the Science Times email newsletter: nyti.ms/20Qgv3s
New York, NY
nytimes.com/science
10 yrs, 1 mo on Twitter
1,098,763 30.8%
133.profile imageDaniel Fischer
@cosmos4u


All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)
Königswinter, Germany
skyweek.wordpress.com
8 yrs, 6 mos on Twitter
12,111 30.8%
134.profile imageEthan Siegel
@StartsWithABang


The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, author, Forbes & NASA columnist.
Treknology
Beyond the Galaxy
Portland, OR
forbes.com/sites/startswi…
6 yrs, 0 mos on Twitter
9,522 30.8%
135.profile imageJJ Eldridge
@astro_jje


NZ Astrophysicist warrior princess studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, trans/genderfluid, prefers them/they pro-nouns.
Auckland, New Zealand
about.me/jj.eldridge
4 yrs, 0 mos on Twitter
1,676 30.8%
136.profile imageHannah Wakeford
@StellarPlanet


2017 Giacconi Fellow @STScI | Currently @exo_cast podcaster, @BSACDIVER & @NASAGoddard Fellow | Previously @UniofExeter PhD | All opinions expressed are my own
stellarplanet.co.uk
5 yrs, 7 mos on Twitter
1,647 30.8%
137.profile imageScientific American
@sciam


Founded in 1845, Scientific American is the authoritative source for the science discoveries and technology innovations that matter.
New York City, NY, USA
scientificamerican.com
8 yrs, 11 mos on Twitter
2,573,132 30.4%
138.profile imageSPACE.com
@SPACEdotcom


News coverage and conversation about space science, astronomy and exploration. Part of @Purch
NYC
SPACE.com
8 yrs, 9 mos on Twitter
578,887 30.4%
139.profile imageESA Operations
@esaoperations


From near Earth orbit to deep space: sharing the excitement of realtime mission operations at ESA #ESOC50 8 September 2017
Darmstadt, Germany
esa.int/operations
8 yrs, 5 mos on Twitter
221,437 30.4%
140.profile imageMatt Taylor
@mggtTaylor


I work on the ESA Rosetta mission
Netherlands
4 yrs, 7 mos on Twitter
33,555 30.4%
141.profile imageAlan Boyle
@b0yle


Aerospace and science editor @GeekWire. Longtime blogger @CosmicLog. Author of "The Case for Pluto." Links/RTs ≠ endorsements
Seattle
geekwire.com/author/alanboy…
9 yrs, 2 mos on Twitter
30,583 30.4%
142.profile imageAlanStern
@AlanStern


Scientist. Space Explorer. Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015.
Pluto and Charon
Worlds Beyond
Our Universe
Boulder, CO
8 yrs, 9 mos on Twitter
22,401 30.4%
143.profile imageMeg Rosenburg
@trueanomalies


planetary science PhD | #scicomm & #histSTM | freelancer, filmmaker, podcaster | megrosenburg.com | And what you do, do it unfeignedly.
Somerville, MA
megrosenburg.com
4 yrs, 4 mos on Twitter
4,297 30.4%
144.profile imageJosh Peek
@jegpeek


Personal account; statements do not reflect the position of any employer!
Baltimore
stsci.edu/~jegpeek/
8 yrs, 2 mos on Twitter
993 30.4%
145.profile imageWIRED Science
@WIREDScience


Bringing the radiothermally generated heat. The team: @KatieMPalmer, @StocktonSays, @MeganMolteni, and @MrMattSimon.
San Francisco, California
wired.com/category/wired…
9 yrs, 7 mos on Twitter
2,035,507 30.1%
146.profile imageRogue NASA
@RogueNASA


The unofficial "Resistance" team of NASA. Not an official NASA account. Not managed by gov't employees. Come for the facts, stay for the snark.
Washington, DC
3 mos on Twitter
904,164 30.1%
147.profile imageKaren James
@kejames


Rogue scientist (DNA barcoding, nanopore sequencing, #citizenscience), outdoorswoman, astronaut hopeful, intersectional feminist, all works in progress
Bar Harbor, Maine, USA
kejames.com
8 yrs, 5 mos on Twitter
25,212 30.1%
148.profile imageMika McKinnon
@mikamckinnon


Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressible educator.
about.me/mikamckinnon
7 yrs, 10 mos on Twitter
12,811 30.1%
149.profile imageNatalie Batalha
@nbatalha


Eukaryote on planet Earth using self-awareness and empathy to experience love and seek knowledge. Astronomer involved in search for life on exoplanets.
Silicon Valley, California
8 yrs, 3 mos on Twitter
3,847 30.1%
150.profile imageDr Megan Argo
@AstroMeg


By day: just another transient astronomer. By night: samba drumming, rock climbing, public speaker, teacher and science advocate. facebook.com/DrMeganArgo
Planet Earth
drmeganargo.net
8 yrs, 1 mo on Twitter
3,239 30.1%
151.profile imageScience Friday
@scifri


Brain fun for curious people. Hosted by @iraflatow, from @PRI.
New York, New York
sciencefriday.com
8 yrs, 6 mos on Twitter
759,957 29.7%
152.profile imageSky & Telescope
@SkyandTelescope


The Essential Guide to Astronomy | We provide the world's leading compendium of information about the science and hobby of astronomy.
Cambridge, Mass.
skyandtelescope.com
8 yrs, 1 mo on Twitter
85,431 29.7%
153.profile imagerealscientists
@realscientists


Real science from real scientists, writers, communicators, artists & clinicians. This week: Ritu Raman | @DrRituRaman
Everywhere
realscientists.org
4 yrs, 2 mos on Twitter
49,425 29.7%
154.profile imageBlackPhysicists
@BlackPhysicists


Arlington, VA and Worldwide
7 yrs, 10 mos on Twitter
15,540 29.7%
155.profile imageOverheard On Astroph
@OverheardOnAph


Eavesdropping on tex-source comments in papers posted to astro-ph
9 mos on Twitter until last tweet (2014-Oct-21)
2,301 29.7%
156.profile imageJason Wright
@Astro_Wright


Associate Professor of Astronomy and Astrophysics at Penn State. Astronomy and meta-astronomy. Opinions are my own.
State College, PA, USA
sites.psu.edu/astrowright/
4 yrs, 7 mos on Twitter
2,285 29.7%
157.profile imageErin Ryan
@erinleeryan


Doctor of the flying space rocks, prez of Science on Cake Appreciation Society, collector of orchid plants & stress baker. Not tweeting for any employer.
Charlottesville VA
erinleeryan.com
7 yrs, 8 mos on Twitter
2,080 29.7%
158.profile imageThe Royal Society
@royalsociety


The Royal Society is a Fellowship of the world's most eminent scientists and is the oldest scientific academy in continuous existence. fb.com/theroyalsociety
London, UK
royalsociety.org
8 yrs, 0 mos on Twitter
148,200 29.3%
159.profile imageJennifer Ouellette
@JenLucPiquant


Jen-Luc Piquant is the faux-French avatar of science writer Jennifer Ouellette. Past Gizmodo science editor. Married to @seanmcarroll.
Los Angeles, CA
jenniferouellette-writes.com
7 yrs, 0 mos on Twitter
33,006 29.3%
160.profile image★ Colin Stuart ★
@skyponderer


Astronomy author, writer & speaker. The Geek Guide to Life out now - amzn.to/2aQwxoG. See website for books + business & schools talks.
The Geek Guide to Life
Exploring the Mysteries of Scienc...
The Big Questions in Science
London
colinstuart.net
8 yrs, 4 mos on Twitter
5,699 29.3%
161.profile imageHubble
@NASAHubble


The official Twitter account for the NASA Hubble Space Telescope. #SpotHubble
Goddard Space Flight Center
nasa.gov/mission_pages/…
9 yrs, 1 mo on Twitter
2,753,604 29.0%
162.profile imageSpirit and Oppy
@MarsRovers


Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.
Mars: Gusev Crater & Meridiani
marsrovers.jpl.nasa.gov
8 yrs, 10 mos on Twitter
423,522 29.0%
163.profile imageJohn Grunsfeld
@SciAstro


Former lead for Science at NASA (Associate Administrator) Astronaut STS-67,81,103,109,125 Hubble Hugger, Space and Earth explorer
go.nasa.gov/johngrunsfeld
5 yrs, 2 mos on Twitter
32,724 29.0%
164.profile imageESA Gaia
@ESAGaia


Science with 1 billion objects in three dimensions
ESA
cosmos.esa.int/gaia
8 yrs, 2 mos on Twitter
13,538 29.0%
165.profile imageWill Gater
@willgater


Astronomer, journalist & space geek willgater.com | willgaterastrophotography.com
UK
willgater.com
8 yrs, 11 mos on Twitter
7,385 29.0%
166.profile imageRobert Massey
@RobertMMassey


Dad, Deputy Executive Director RAS. RTs and likes not endorsements, views expressed are my own. For official comment see @royalastrosoc
Bristol (Southville) & London
7 yrs, 8 mos on Twitter
2,466 29.0%
167.profile imageJason Kalirai
@JasonKalirai


Canadian-born NASA Astrophysicist. JWST Project Scientist, BIG fan of Hubble, WFIRST, & LSST. HUGE Dallas Cowboys football fan. Love MMSJ. Tweets are my own.
Ellicott City, MD
jasonkalirai.com
5 yrs, 9 mos on Twitter
1,962 29.0%
168.profile imageAndy Lawrence
@e_astronomer


Quasar fan and survey nut. Check out random Milky Way snaps @MilkyWayBot, Oculus/Stellarium project @StarsightVR and its crowdfunder crowdfunder.co.uk/starsight-vr/
Astronomical Measurement
Auld Reekie
roe.ac.uk/~al
7 yrs, 1 mo on Twitter
1,901 29.0%
169.profile imageCorey S. Powell
@coreyspowell


Science editor at @aeonmag. Contributing editor and blogger at @discovermag. Contributing editor at @AmSciMag. Science-curious.
8 yrs, 2 mos on Twitter
27,900 28.6%
170.profile imageDr Lisa Harvey-Smith
@lisaharveysmith


Astrophysicist, Ultramarathoner, Sometimes on telly #StargazingABC, #LifeOnTheLine @AstroCourses, Gooner, Vego, Friend of Dorothy lisaharveysmith.com
Sydney
lisaharveysmith.com
5 yrs, 5 mos on Twitter
5,366 28.6%
171.profile imageAstro Union
@IAU_org


Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.
iau.org
2 yrs, 11 mos on Twitter
4,311 28.6%
172.profile imageRachael Livermore
@rhaegal


British Astrophysicist & tea lover. I critique Star Trek science at snarkyastronomer.tumblr.com Videos of my public talks at bit.ly/SciTalks
Austin, TX
rlivermore.com
8 yrs, 10 mos on Twitter
2,157 28.6%
173.profile imageBecky Smethurst
@becky1505


Doctor of Astrophysics | @galaxyzoo | @dotastronomy | @sixtysymbols | University of Nottingham | FameLab | #scicomm | Enthusiasm reigns here!
Nottingham, UK
rjsmethurst.github.io
8 yrs, 0 mos on Twitter
1,220 28.6%
174.profile imagePresident Obama
@POTUS44


This is an archive of an Obama Administration account maintained by the National Archives and Records Administration (NARA).
Washington, D.C.
obamalibrary.gov/research/archi…
3 yrs, 10 mos on Twitter
15,505,582 28.3%
175.profile imageUK Space Agency
@spacegovuk


Official Twitter channel of the UK Space Agency. We're at the heart of UK efforts to explore and benefit from space.
Swindon, England
gov.uk/ukspaceagency
7 yrs, 6 mos on Twitter
197,264 28.3%
176.profile imageJim Al-Khalili
@jimalkhalili


Physicist, author, broadcaster and humanist -- The Universe doesn't have a purpose, free will is an illusion, and quantum physics is beautiful. Now you know me.
University of Surrey
jimal-khalili.com
7 yrs, 3 mos on Twitter
98,089 28.3%
177.profile imageBobak Ferdowsi
@tweetsoutloud


Explorer of space. Engineer on NISAR Earth Science & Europa Clipper. Mars Curiosity, Cassini Saturn Opinions mine 'once had a funny haircut' - @lazer2k
Pasadena, CA
bobakferdowsi.com
7 yrs, 8 mos on Twitter
91,413 28.3%
178.profile imageLIGO
@LIGO


I am the Laser Interferometer Gravitational-wave Observatory. I look for space-time ripples.
Livingston, LA and Hanford, WA
ligo.org
8 yrs, 10 mos on Twitter
35,629 28.3%
179.profile imageAmy Mainzer
@AmyMainzer


Scientist
Jet Propulsion Laboratory
science.jpl.nasa.gov/people/Mainzer/
4 yrs, 2 mos on Twitter
24,655 28.3%
180.profile imageNature Astronomy
@NatureAstronomy


A Nature journal dedicated to presenting the very best research across the disciplines of astronomy, astrophysics, cosmology and planetary science.
London, England
nature.com/natastron/
1 yr, 6 mos on Twitter
5,914 28.3%
181.profile imageMark McCaughrean
@markmccaughrean


Senior Advisor for Science & Exploration at the European Space Agency. Very well aware of the (in)significance of being recycled star stuff. Opinions own.
The Origins of Stars and Planets
The Origins of Stars and Planets
Wassenaar, Netherlands
1 yr, 8 mos on Twitter
3,379 28.3%
182.profile imageTrueSciPhi
@TrueSciPhi


A window on science and philosophy communities on Twitter and YouTube, by Kelly Truelove (physics PhD, etc.). See site for more.
TrueSciPhi.org
1 yr, 11 mos on Twitter
3,271 28.3%
183.profile imageStephen Serjeant
@StephenSerjeant


Professor of Astronomy at the Open University, roped into various OU/BBC things too. 13.1. The views here do not necessarily blah blah.
An Introduction to Galaxies and C...
Observational Cosmology
127.0.0.1
stephenserjeant.wikispaces.com
8 yrs, 1 mo on Twitter
1,935 28.3%
184.profile imageJonathan Fortney
@jjfplanet


Professor at UC Santa Cruz & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Softballer, Runner, Surfer?, Minnesotan.
Santa Cruz, CA
ucolick.org/~jfortney/
5 yrs, 3 mos on Twitter
1,180 28.3%
185.profile imageAdam Burgasser
@browndwarfs


astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
pono.ucsd.edu/~adam
6 yrs, 8 mos on Twitter
1,166 28.3%
186.profile imageJeff Foust
@jeff_foust


Senior writer, @SpaceNews_Inc. You know the drill: retweets aren't endorsements; opinions here are my own.
Rockville, Maryland, USA
jfoust.com
9 yrs, 10 mos on Twitter
26,576 27.9%
187.profile imagegalaxyzoo
@galaxyzoo


It's Galaxy Zoo!
galaxyzoo.org
8 yrs, 3 mos on Twitter
13,384 27.9%
188.profile imageJess ♿ & Hubble🐕
@Enceladosaurus


Queer enby astrophysicist, accessibility consultant, & science writer. Cofounder of @AAS_WGAD, creator of #disabledandSTEM. Game reviews on @Metacritic & ICXM!
Washington, DC
enceladosaur.us
5 yrs, 10 mos on Twitter
3,305 27.9%
189.profile imageDavid Kipping
@david_kipping


Astronomy Professor @Columbia University | Cool Worlds Lab | @YouTube #CoolWorlds #scicomm channel | #equityinSTEM #exoplanets #astrostatistics #ClimateAction
The Transits of Extrasolar Planet...
0.983-1.017AU
coolworlds.astro.columbia.edu
8 yrs, 1 mo on Twitter
1,849 27.9%
190.profile imageAnna Watts
@drannawatts


Associate Professor of Astrophysics @ University of Amsterdam. Neutron stars. Mom, Yorkshire-Scot in the Flatlands. "Particles in stars blah blah."
Amsterdam
staff.fnwi.uva.nl/a.l.watts/
2 yrs, 11 mos on Twitter
1,627 27.9%
191.profile imageMichelle Collins
@michelle_lmc


Astrophysics Lecturer @surreyastro, working on Local Group galaxies. Soft spot for Andromeda. Keen runner therunningastronomer.com
Guildford, England
astromichelle.wordpress.com
7 yrs, 11 mos on Twitter
1,034 27.9%
192.profile imageDNLee
@DNLee5


#NewProf, Mammalogist, Diversity & Access to STEM, Unapologetically Intersectional, Mama Panyabuku, TED Fellow
Midwest, US; Tanzania, Africa
blogs.scientificamerican.com/urban-scientis…
6 yrs, 8 mos on Twitter
21,890 27.5%
193.profile imageJason Major
@JPMajor


Space. Planets. NASA. Science. Rocketry. Astronomy. Democracy. Atheism. Humanism. Environmentalism. Nature. Birds. Coffee. Sometimes I make pictures.
Warwick, RI
lightsinthedark.com
7 yrs, 3 mos on Twitter
17,010 27.5%
194.profile imageRobert McNees
@mcnees


Theoretical physicist. Associate professor. Black holes, quantum gravity, cosmology. Venusian clunk. Tar Heel. RTs = spooky action at a distance. Opinions mine.
Chicago, z=0
jacobi.luc.edu
8 yrs, 10 mos on Twitter
6,938 27.5%
195.profile imageArfon Smith 🚀
@arfon


Head of Data Science Mission Office @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of The Journal of Open Source Software.
Baltimore, MD
arfon.org
10 yrs, 3 mos on Twitter
3,536 27.5%
196.profile imageJo Dunkley
@j_dunkley


Professor of Physics and Astrophysics at Princeton
Princeton, NJ
physics.princeton.edu/~jdunkley
5 yrs, 6 mos on Twitter
1,681 27.5%
197.profile imageJohanna
@johannateske


Astronomer, runner, educator, feminist, vegan, baker, #Nats fan
Pasadena, CA
johannateske.virb.com
3 yrs, 3 mos on Twitter
1,262 27.5%
198.profile imageJonathan Pritchard
@jr_pritchard


Imperial astrophysicist and bewildered vagabond. SKA enthusiast. (opinions mine, not employer's)
Richmond, London
pritchardjr.github.io
6 yrs, 3 mos on Twitter
1,233 27.5%
199.profile imageErik Tollerud
@eteq


Astrophysicist, Python coder, and general lover of nature in all its forms.
Baltimore, MD
stsci.edu/etollerud
7 yrs, 11 mos on Twitter
870 27.5%
200.profile imageGuardian Science
@guardianscience


Science, health and environment news from the @Guardian. Plus, independent comment and analysis from our network of expert science bloggers
London
theguardian.com/science
8 yrs, 2 mos on Twitter
1,022,835 27.2%
201.profile imageInstitute of Physics
@PhysicsNews


Official Twitter account for the Institute of Physics (IOP). facebook.com/instituteofphy…
UK
iop.org
8 yrs, 0 mos on Twitter
154,408 27.2%
202.profile imageChris North
@chrisenorth


Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster (e.g. pythagastro.uk). Comments own
Cosmos
How to Read the Solar System
The Sky at Night
Cardiff (normally)
blogs.cardiff.ac.uk/chrisnorth
7 yrs, 6 mos on Twitter
4,978 27.2%
203.profile imageEmily Levesque
@emsque


The real exciting sound in science is not, 'Eureka!' It's, 'Wow, that's weird.'
Seattle, WA
emlevesque.com
7 yrs, 2 mos on Twitter
938 27.2%
204.profile imageHUBBLE
@HUBBLE_space


The official feed of ESA/Hubble. The Hubble Space Telescope is the space-based observatory which has revolutionised modern astronomy.
space
spacetelescope.org
6 yrs, 11 mos on Twitter
361,285 26.8%
205.profile imageHubbleTelescope
@HubbleTelescope


News from the Hubble Space Telescope
hubblesite.org/newscenter/
8 yrs, 10 mos on Twitter
111,264 26.8%
206.profile imageRadio Astrology
@RadioAstrology


Opening new windows in the prediction spectrum. Astrology at long wavelengths.
In the stars (and the ISM)
5 yrs, 5 mos on Twitter
3,015 26.8%
207.profile imageAndrew Pontzen
@apontzen


I do cosmology and piano. Employed by UCL, funded by the Royal Society. It's not their fault when I talk nonsense, though.
London
cosmocrunch.co.uk
6 yrs, 8 mos on Twitter
2,964 26.8%
208.profile imageAndy Rivkin
@asrivkin


Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador
imperturbable-music.blogspot.com
8 yrs, 10 mos on Twitter
2,881 26.8%
209.profile imagePaul Crowther
@Paul_Crowther


@unisheffield Astrophysics Prof mostly researching Monster Stars. Keen interest in UK sci policy, esp @STFC_Matters's ups & downs
Peoples Republic of Sheffield
pacrowther.staff.shef.ac.uk
7 yrs, 4 mos on Twitter
2,641 26.8%
210.profile imageStephen Fry
@stephenfry


Actor and writer currently working on new TV comedy @GreatIndoorsCBS Instagram – stephenfryactually 🏳️‍🌈
Los Angeles, CA
stephenfry.com
8 yrs, 9 mos on Twitter
12,527,674 26.4%
211.profile imageMike Massimino
@Astro_Mike


Former @NASA astronaut, Professor at Columbia @CUSEAS, Sr. Advisor for Space Programs @IntrepidMuseum, Author of #Spaceman
New York, NY
bit.ly/spacemanbook
8 yrs, 0 mos on Twitter
1,356,909 26.4%
212.profile imageKristin Block
@MarsMaven


Spacecraft pro, taiko player, bassist, percussionist. Miami-Tucson-Bay Area. (Not affiliated with the mission @Maven2Mars, just coincidence!) Opinions my own.
San Jose, CA
7 yrs, 10 mos on Twitter
2,772 26.4%
213.profile imageJames Davenport
@jradavenport


Astronomy PhD, Postdoctoral Fellow, blogger, casual data analyst, Seattleite. All opinions are my own.
jradavenport.github.io
4 yrs, 11 mos on Twitter
1,557 26.4%
214.profile imageScience Magazine
@sciencemagazine


The world's leading outlet for cutting-edge research in all areas of science. Follow @NewsfromScience for stories from our news team.
Washington, DC & Cambridge, UK
sciencemag.org
8 yrs, 0 mos on Twitter
953,942 26.1%
215.profile imageLego Academics
@LegoAcademics


The female academics of the Lego Research Institute take on the challenges of modern academia. CC-BY-NC-SA
Lego Research Institute
ideas.lego.com/projects/83039
2 yrs, 8 mos on Twitter
69,080 26.1%
216.profile imageAmy Shira Teitel
@astVintageSpace


BREAKING THE CHAINS OF GRAVITY is out now! bit.ly/astbtcog. Blog and vlog Vintage Space: bit.ly/vintagespace. Also, Patreon: patreon.com/amyshirateitel
Los Angeles, CA
youtube.com/vintagespace
6 yrs, 5 mos on Twitter
56,823 26.1%
217.profile imageKim Kowal Arcand
@kimberlykowal


Mom of 2. Science viz lead for @chandraxray; favorite kind of light=X-rays. Latest book: Light. TedX speaker. Opinions=my own arcandwatzke.com
RI, USA
chandra.si.edu
9 yrs, 1 mo on Twitter
6,269 26.1%
218.profile imageSara Seager
@ProfSaraSeager


Prof. Seager is an astrophysicist and planetary scientist at MIT. A pioneer in the vast world of exoplanets, she's on a quest for the holy grail: another Earth.
Exoplanets (Space Science Series)
Exoplanet Atmospheres
Cambridge, MA
seagerexoplanets.mit.edu
6 yrs, 6 mos on Twitter
5,649 26.1%
219.profile imageKimberly EnnicoSmith
@kennicosmith


"You cannot solve a problem with the level of thinking that created it." - Albert Einstein
Boulder, CO, Mountain View, CA
kandrsmith.org/KES/
9 yrs, 2 mos on Twitter
3,652 26.1%
220.profile imageJen Gupta
@jen_gupta


Space nerd. @UoPCosmology Astrophysics Outreach Officer. @WinSciFest Director. @SeldomSirius host. Active Galaxies were my first love.
Winchester, UK
jengupta.com
7 yrs, 8 mos on Twitter
2,528 26.1%
221.profile imageAwesome_Ph
@Awesome_Ph


The most awesome(st) of Astro-ph every day! Few one line summaries of papers on the ArXiV that caught my attention. Brought to you by the Extronomer.
5 yrs, 11 mos on Twitter
1,751 26.1%
222.profile imageAAS CSWA
@AAS_Women


The American Astronomical Society Committee on the Status of Women in Astronomy works to improve the status of women in astronomy. Page manager Nancy Morrison.
United States
aas.org/cswa/
5 yrs, 5 mos on Twitter
1,519 26.1%
223.profile imagePHD Comics
@PHDcomics


Life (or the lack thereof) in Academia.
phdcomics.com
8 yrs, 9 mos on Twitter
149,328 25.7%
224.profile imageESA Planck
@Planck


A European Space Agency (ESA) spacecraft to understand the origin and evolution of our Universe
L2: 1,000,000 miles from Earth
esa.int/planck
8 yrs, 10 mos on Twitter
46,815 25.7%
225.profile imageEllen Stofan
@EllenStofan


Planetary geologist, STEM advocate, former Chief Scientist of NASA
Planetology
Exploring Venus as a Terrestrial ...
5 yrs, 2 mos on Twitter
7,417 25.7%
226.profile imageAstropy
@astropy


This is the official twitter account for the Astropy project.
Earth
astropy.org
5 yrs, 9 mos on Twitter
1,807 25.7%
227.profile imageNick Howes
@NickAstronomer


Astronomer, Consultant and Science Writer - Fellow of Royal Astronomical Society. Director of Aerolite Meteorites in UK/Europe
Cherhill in Wiltshire
tinyurl.com/y9akrn3
7 yrs, 5 mos on Twitter
14,291 25.4%
228.profile imageJackie Faherty
@jfaherty


Astrophysicist at @AMNH, alumna of @CarnegieAstro. Enthusiast for bringing the cosmos to the public (check out @backyardworlds). #womeninscience #BDNYC
jackiefaherty.com
8 yrs, 1 mo on Twitter
2,998 25.4%
229.profile imageEli Bressert
@astrobiased


Love big ideas and putting them into action by connecting the impossible. Innovating at @Netflix through all things data. Singularity University mentor.
SciPy and NumPy
Los Gatos, CA
astrobiased.com
8 yrs, 5 mos on Twitter
2,407 25.4%
230.profile imageJames Bullock
@jbprime


Professor of Physics & Astronomy. Cosmologist, Anteater, and Buckeye.
California, USA
physics.uci.edu/~bullock/
7 yrs, 8 mos on Twitter
2,220 25.4%
231.profile imageHillary Clinton
@HillaryClinton


Wife, mom, grandma, women+kids advocate, FLOTUS, Senator, SecState, hair icon, pantsuit aficionado, 2016 presidential candidate.
New York, NY
HillaryClinton.com
4 yrs, 0 mos on Twitter
14,154,497 25.0%
232.profile imageElise Andrew
@Elise_Andrew


just a liberal, freckle-faced slut - some dude on Twitter. Also, I Fucking Love Science.
London, England
iflscience.com
4 yrs, 1 mo on Twitter
67,616 25.0%
233.profile imageRoyal Observatory
@ROGAstronomers


The home of space and time: the historic Meridian Line & GMT. Begin a journey of awe and wonder as we marvel at the Universe and celebrate our place within it.
Greenwich, London
rmg.co.uk/royal-observat…
6 yrs, 7 mos on Twitter
26,483 25.0%
234.profile imageHistory of Astronomy
@HistAstro


Multidisciplinary and multicultural #history of #astronomy by @VoulaSaridakis, Ph.D. Curator at the Museum of Science and Industry, Chicago @msichicago.
All tweets/views/opinions mine
2 yrs, 1 mo on Twitter
15,983 25.0%
235.profile imageSTFC
@STFC_Matters


Science and Technology Facilities Council: Pioneering science for a better future. See @STFC_B2B for business news.
UK
stfc.ac.uk
7 yrs, 7 mos on Twitter
13,762 25.0%
236.profile imageSloan Digital Sky
@sdssurveys


Tweeting about mapping the Universe @APOGEEsurvey @eBOSSurvey @MaNGASurvey
Apache Point Observatory.
sdss.org
4 yrs, 2 mos on Twitter
2,258 25.0%
237.profile imageEric Mamajek
@EricMamajek


astronomer, dad, reader of stellar tea leaves, searcher of extrasolar needles in haystacks. My tweets are my own.
Pasadena, CA
6 yrs, 2 mos on Twitter
1,137 25.0%
238.profile imageAsteroid Watch
@AsteroidWatch


The Center for Near Earth Object Studies @NASAJPL characterizes & monitors orbits of asteroids & comets. Part of NASA's Planetary Defense Coordination Office.
Pasadena, California
jpl.nasa.gov/asteroidwatch
8 yrs, 1 mo on Twitter
1,345,462 24.6%
239.profile imageNASA Kennedy / KSC
@NASAKennedy


Official Tweets from NASA's Kennedy Space Center
Florida, USA
nasa.gov/kennedy
8 yrs, 6 mos on Twitter
1,273,380 24.6%
240.profile imageAriel Waldman
@arielwaldman


Author of WHAT'S IT LIKE IN SPACE? amzn.to/1MFUEVC. NASA Advisor. Founder Spacehack.org. Global Director @ScienceHackDay. youtube.com/arielwaldman
San Francisco
arielwaldman.com
10 yrs, 1 mo on Twitter
28,949 24.6%
241.profile imageJon Butterworth
@jonmbutterworth


Physics prof at UCL, works on #LHC. theguardian.com/science/life-a… Citizen of England, UK, Europe & Nowhere, apparently. Personal account.
Mainly London & Geneva.
hep.ucl.ac.uk/~jmb
7 yrs, 6 mos on Twitter
13,638 24.6%
242.profile imageKeri Bean
@PlanetaryKeri


Engineer @NASAJPL on @NASA_Dawn + @MarsRovers, R2 builder @R2Keri @KN_3X, @SunriderBase @RebelLegion Rey, @JeffAMcGee's wife, TX Aggie, Hufflepuff
Pasadena, CA
keribean.com
5 yrs, 11 mos on Twitter
6,223 24.6%
243.profile imageAAS Executive Office
@AAS_Office


The mission of the American Astronomical Society (AAS) is to enhance & share humanity's scientific understanding of the universe. Instagram: @AAS_Office
Washington, DC, USA
aas.org
6 yrs, 5 mos on Twitter
2,026 24.6%
244.profile imageBenjamin Pope
@fringetracker


Astronomer, Bayesian, foodie
Oxford, UK
benjaminpope.github.io
4 yrs, 3 mos on Twitter
1,945 24.6%
245.profile imageDerek Fox
@partialobs


Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
Earth
astro.psu.edu/~dfox/
8 yrs, 1 mo on Twitter
1,782 24.6%
246.profile imageGrant Tremblay
@astrogrant


Observational astrophysicist and @NASA Einstein Fellow @Yale. Heart remains in Maine. Views my own.
New Haven
granttremblay.com
8 yrs, 2 mos on Twitter
885 24.6%
247.profile imageBBC Science News
@BBCScienceNews


News, features and analysis from the BBC Science & Environment news desk.
London, England
bbc.co.uk/news/science_a…
10 yrs, 3 mos on Twitter
1,346,185 24.3%
248.profile imageNASA Voyager
@NASAVoyager


The official account for NASA’s twin Voyager 1 & 2 spacecraft, the longest operating spacecraft in deep space.
Interstellar space
voyager.jpl.nasa.gov
6 yrs, 8 mos on Twitter
438,051 24.3%
249.profile imageDr. Brian May
@DrBrianMay


Rocket Ship Builder
brianmay.com
4 yrs, 6 mos on Twitter
420,341 24.3%
250.profile imageBBC The Sky at Night
@BBCStargazing


Bringing astronomy and space exploration to your screens since 1957. Join Chris Lintott and Maggie Aderin-Pocock monthly, BBC Four. Stargazing Live is off air.
bbc.co.uk/skyatnight
5 yrs, 6 mos on Twitter
107,981 24.3%
251.profile imageNRAO
@TheNRAO


The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
Charlottesville, VA
nrao.edu
8 yrs, 6 mos on Twitter
10,835 24.3%
252.profile imageMichael Merrifield
@ProfMike_M


Professor of astronomy at the University of Nottingham, interested in galaxies and outreach, particularly participating in 60 Symbols videos. All my own views.
Nottingham
youtube.com/sixtysymbols
5 yrs, 9 mos on Twitter
4,429 24.3%
253.profile imageAAS Press Office
@AAS_Press


Astronomy news from the Press Office of the American Astronomical Society, managed by Dr. Rick Fienberg. Note: Tweeting is not endorsing, only informing.
aas.org/media-press
6 yrs, 5 mos on Twitter
4,162 24.3%
254.profile imageJill Tarter
@jilltarter


Earthling chief cheerleader for SETI, setiQuest, and the Allen Telescope Array Jack's wife - Shana's mom - Li Yao and Clara's grandma
Earth in the Cosmos
setistars.org
8 yrs, 1 mo on Twitter
3,107 24.3%
255.profile imageRay Jayawardhana
@DrRayJay


Astronomer, Explorer, Writer, Speaker. Author of "Strange New Worlds" and "Neutrino Hunters"
Neutrino Hunters
Strange New Worlds
Young Stars Near Earth
rayjay.net
6 yrs, 1 mo on Twitter
1,488 24.3%
256.profile imageJoss Bland-Hawthorn
@JossBlandHawtho


All things novel, astrophysical, mathematical, technological.
The Origin of the Galaxy and Loca...
The Galaxy Disk in Cosmological C...
Sydney, Australia
physics.usyd.edu.au/~jbh/
2 yrs, 10 mos on Twitter
1,307 24.3%
257.profile imageAdrian Price-Whelan
@adrianprw


astrophysics, galaxy dynamics github.com/adrn facebook.com/operatormusicb…
Princeton, NJ
adrian.pw
5 yrs, 10 mos on Twitter
1,083 24.3%
258.profile imageMark Marley
@astromarkmarley


Astronomer working for a well known national space agency. Interests include extrasolar planets, brown dwarfs, giant planets. Opinions are mine alone.
Mountain View, California
google.com/profiles/Mark.…
6 yrs, 9 mos on Twitter
1,055 24.3%
259.profile imageNate Silver
@NateSilver538


Editor-in-Chief, @FiveThirtyEight. Author, The Signal and the Noise (amzn.to/QdyFYV). Sports/politics/food geek.
New York
fivethirtyeight.com
8 yrs, 7 mos on Twitter
2,210,663 23.9%
260.profile imageIntl. Space Station
@Space_Station


NASA's page for updates from the International Space Station, the world-class lab orbiting Earth 250 miles above. For the latest research, follow @ISS_Research.
Low Earth Orbit
nasa.gov/station
3 yrs, 11 mos on Twitter
1,507,187 23.9%
261.profile imageJodrell Bank
@jodrellbank


Home of the world's third-largest steerable radio telescope & the e-MERLIN National Facility. Part of the University of Manchester.
53.236057, -2.306871
manchester.ac.uk/jodrellbank/
9 yrs, 11 mos on Twitter
235,844 23.9%
262.profile imageInstant ⭐️ Xenomorph
@InvaderXan


Freelance astrophysicist for hire. Will test hypotheses for food.
考え倦ねる
supernovacondensate.net
8 yrs, 0 mos on Twitter
1,784 23.9%
263.profile imageAstroPhD Katey ✨
@astrokatey


The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. - Carl Sagan
Pasadena, CA
8 yrs, 10 mos on Twitter
1,107 23.9%
264.profile imageJoanna Barstow
@DrJoVian


RAS Research Fellow and Planetary Scientist at UCL, STEM Ambassador, sci outreacher, FRAS, ScienceGrrl. Christian, singer, bookworm.
3 yrs, 7 mos on Twitter
1,089 23.9%
265.profile imageStephen Colbert
@StephenAtHome


Vehicle
8 yrs, 7 mos on Twitter
13,110,761 23.6%
266.profile imageDara Ó Briain
@daraobriain


Infamous Brit-Licker; also been known to hand out free puppies. Currently touring new show Crowd Tickler
Beneath your wings.
daraobriain.com
7 yrs, 10 mos on Twitter
2,453,877 23.6%
267.profile imageNational Science Fdn
@NSF


Where Discoveries Begin. Social media policy: bit.ly/smpnsf
Arlington, Virginia
nsf.gov
8 yrs, 7 mos on Twitter
1,047,919 23.6%
268.profile imageAstronomy Magazine
@AstronomyMag


The best-selling astronomy magazine
Our tiny corner of the cosmos
Astronomy.com
8 yrs, 1 mo on Twitter
158,390 23.6%
269.profile imageAction Scientist
@geoffnotkin


TV host @MeteoriteMen | Author | Adventurer | 2 x Emmy winner | @NSS Board of Governors | @TEDx + Science March speaker | Producer @GaimanMovie @RevengeofZoe
You can't get there from here
youtube.com/geoffnotkin
7 yrs, 4 mos on Twitter
14,086 23.6%
270.profile imageSquareKilometreArray
@SKA_telescope


The SKA will be the world's largest radio telescope, located in Africa & Australia. Headquarters @jodrellbank. Tweets by @wilgarnier, @matisidro & @JoeJDiamond
Jodrell Bank (UK)
skatelescope.org
6 yrs, 6 mos on Twitter
9,559 23.6%
271.profile imageTim O'Brien
@Tim_O_Brien


Professor of Astrophysics, Associate Director @jodrellbank, Science Director @bluedotfestival, President @popastro, likes exploding stars. 48%. My own views.
Manchester, UK
proftimobrien.com
8 yrs, 2 mos on Twitter
8,851 23.6%
272.profile imageHenna
@henna_khan


Founder at Universe Simplified (@UnivSimplified), Proponent of Disrupt Education and Maker Spaces, Astronomy Enthusiast, Solo Backpacker
Mumbai
universesimplified.com
7 yrs, 10 mos on Twitter
6,788 23.6%
273.profile imageSAO/NASA ADS
@adsabs


adsabs.harvard.edu
6 yrs, 4 mos on Twitter
1,649 23.6%
274.profile imageDr Chris Tibbs
@chris_tibbs


@ESA Research Fellow. Astrophysicist at the European Space Agency. Astronomer abroad. My tweets are my own.
ESA via Manchester & Caltech

8 yrs, 1 mo on Twitter
1,029 23.6%
275.profile imageCaitlin Casey
@astrocaits


Astronomer and Assistant Professor at the University of Texas at Austin.
Austin, TX
as.utexas.edu/~cmcasey
3 yrs, 2 mos on Twitter
934 23.6%
276.profile imageSpaceflight Now
@SpaceflightNow


The best source for space news
Cape Canaveral, Florida
spaceflightnow.com
8 yrs, 5 mos on Twitter
341,707 23.2%
277.profile imageNASA's MAVEN Mission
@MAVEN2Mars


NASA mission to explore Mars' climate history through its upper atmosphere. Orbiting the red planet since Sept. 21, 2014 | lasp.colorado.edu/maven
Mars' upper atmosphere
nasa.gov/maven
8 yrs, 3 mos on Twitter
112,412 23.2%
278.profile imageUpulie Divisekera
@upulie


Molecular Biologist | Nanotechnologist | TEDx | Space | Astropalaeontology | Co-founder, @realscientists| Dinosaur Evangelist | Science poetry & Communication |
Melbourne, Australia
tinyletter.com/upulie
6 yrs, 7 mos on Twitter
18,560 23.2%
279.profile imageCaleb Scharf
@caleb_scharf


Director of Astrobiology at Columbia University. Blog at Sci Am (#sciamblogs). Author of The Copernicus Complex, Gravity's Engines and more...
The Zoomable Universe
The Copernicus Complex
Gravity's Engines
New York
calebscharf.com
6 yrs, 5 mos on Twitter
3,512 23.2%
280.profile imageCarolina Ödman
@carolune


Astrophysicist mum of 2 working in technology, science, development, hacking (the good kind), photography, mostly in a state of happiness. Also @nakedmotherhood
Planet Earth, most of the time
about.me/carolune
9 yrs, 9 mos on Twitter
2,834 23.2%
281.profile imageLSST
@LSST


The widest, fastest, deepest eye of the new digital age.
Cerro Pachon, Chile
lsst.org
8 yrs, 8 mos on Twitter
2,484 23.2%
282.profile imageDay 97/?
@lukedones


🚀🏀⚾️🐐🇵🇪😺🎶
40.136397, -105.107532
8 yrs, 2 mos on Twitter
1,959 23.2%
283.profile imageAnais Rassat
@anaisrassat


Science. Interested in tech, innovation & science policy. Knowledge Transfer @CERN. Formerly @EPFL, @CEASaclay, @UCL . Celebrating #Einstein100. TCK.
anaisrassat.tumblr.com
7 yrs, 2 mos on Twitter
1,870 23.2%
284.profile imageEdward Gomez 🤖
@zemogle


Astronomer, coder, and web technology enthusiast. Believe everyone can be a scientist if they ask more questions.
Cardiff, UK
edward.gomez.me.uk
8 yrs, 10 mos on Twitter
1,699 23.2%
285.profile imageDianna Cowern
@thephysicsgirl


#PhysSciCommJediTraveler Creator of YouTube videos for every atom and eve. Please respond to tweets with bad puns.
San Diego
youtube.com/physicsgirl
5 yrs, 1 mo on Twitter
44,885 22.8%
286.profile imageRemco Timmermans
@timmermansr


Aspiring to be the best in social media for space | Owner @SeventyMedia | CEO @SpaceUpConf | @ISU_SSP #SSP17 #SSP18 Faculty | Team @dieAstronautin
Nijmegen, Netherlands
spaceup.org
8 yrs, 2 mos on Twitter
21,942 22.8%
287.profile imageMiriam Kramer
@mirikramer


Deputy science editor reporting on space for @Mashable. Email: miriam @ mashable dot com. Leak to me. Text or call via Signal: +1 (646) 693-7678
Now: NYC. Before: Tennessee.
mashable.com/category/space
7 yrs, 0 mos on Twitter
10,103 22.8%
288.profile imageDr Sheila Kanani
@SaturnSheila


@RoyalAstroSoc outreach officer, space(comedienne*educator*ambassador). Coke float drinking pocket rocket, planetary physicist, mum. Cofounder of @STEMMsisters.
LDN, Lytham, MCR (UK)
saturnsheila.wordpress.com
6 yrs, 4 mos on Twitter
2,815 22.8%
289.profile imageAmanda Yoho
@mandaYoho


Data Scientist, Cosmologist, former NASA Earth & Space Science fellow. Tweets most likely to be about space, beer, or python.
Cleveland, Ohio
4 yrs, 10 mos on Twitter
1,764 22.8%
290.profile imageVanessa Moss
@cosmicpudding


Adventures of the Cosmic Pudding & sidekick Vanessa: astronomy research, outreach, observing... I run @arXiver & @AstroJobVis. More interesting than a giraffe.
Sydney, Australia
youtube.com/user/thecosmic…
3 yrs, 11 mos on Twitter
1,463 22.8%
291.profile imageAstronomy Meetings
@astromeetings


Sharing astronomy meeting twitter links. Send me your conference title, #tag and url, **when the meeting starts**, and I'll RT to distribute. @AstroRJS
2 yrs, 11 mos on Twitter
994 22.8%
292.profile imageWilliam Keel
@NGC3314


Astronomer, galaxy observer, trombonist, Galaxy Zoo team member, husband, father, employee of cats
Tuscaloosa, AL, USA
astronomy.ua.edu/keel
7 yrs, 2 mos on Twitter
868 22.8%
293.profile imageCaryl Gronwall
@carylgronwall


Astronomer at Penn State University
State College, PA
astro.psu.edu/~caryl
6 yrs, 1 mo on Twitter
813 22.8%
294.profile imageBrian Greene
@bgreene


Physicist, Author, Co-founder World Science Festival
New York, NY
briangreene.org
4 yrs, 10 mos on Twitter
390,283 22.5%
295.profile imageMark Thompson
@PeoplesAstro


Mark Thompson - Astronomer, broadcaster and author seamuslyte.com/mark_thompson/
Norfolk, United Kingdom
markthompsonastronomy.com
7 yrs, 7 mos on Twitter
76,899 22.5%
296.profile imageNASA's OSIRIS-REx
@OSIRISREx


The official Twitter feed for NASA's OSIRIS-REx spacecraft. I'm on a seven-year mission to return a pristine sample from the #asteroid Bennu. #ToBennuAndBack
Space
AsteroidMission.org
8 yrs, 10 mos on Twitter
44,076 22.5%
297.profile imageLisa Randall
@lirarandall


Physicist and author. Dark Matter and the Dinosaurs,Warped Passages,Knocking on Heaven's Door,Higgs Discovery. Opinions expressed are not solely my own.
6 yrs, 4 mos on Twitter
36,379 22.5%
298.profile imageKeaton S
@KeatonStone


Producer on @BBCTheOneShow #StargazingLive Dara OB Meets Stephen Hawking #VolcanoLive #Horizons #SkyAtNight #SpaceLive #StripTheCosmos & #DrWhoFest. #CHD
London
youtube.com/watch?v=D49Eho…
7 yrs, 7 mos on Twitter
3,974 22.5%
299.profile imageCarnegie Astronomy
@CarnegieAstro


Bringing you astronomy from The Carnegie Institution for Science: The Observatories in Pasadena, CA, DTM in Washington DC, and Las Campanas Observatory in Chile
Pasadena, CA
bit.ly/CarnegieAstro
2 yrs, 2 mos on Twitter
3,317 22.5%
300.profile imageJC Holbrook
@astroholbrook


Astrophysicist turned Cultural Astronomer via Anthropology and History of Science. Hubble's Diverse Universe createspace.com/410482 BlackSunMovie.com
Kaapstad, ZA
uwcastro.org/group-members/…
7 yrs, 9 mos on Twitter
2,092 22.5%