Astronomers' Favorite Twitter Feeds

Updated: 2017-Feb-15 18:49 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
1.profile imagePhil Plait

SCIENCE! I love this stuff. My blog RSS feed: blastr.com/tags/bad-astro…
Bad Astronomy
9 yrs, 10 mos on Twitter
557,413 70.5%
2.profile imageKatie Mack

(a.k.a. Dr Katherine J Mack) astrophysicist, occasional freelance science writer, connoisseur of airplane food
Melbourne, Australia, or not
7 yrs, 9 mos on Twitter
107,389 70.1%
3.profile imageNASA

Explore the universe and discover our home planet with @NASA. We usually post in EDT (UTC-4).
9 yrs, 1 mo on Twitter
21,782,828 67.4%
4.profile imageEmily Lakdawalla

Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist, writer, public speaker. Writing a book on Curiosity mission. Asteroid 274860.
Pasadena, CA
8 yrs, 9 mos on Twitter
111,305 67.0%
5.profile imageNeil deGrasse Tyson

Astrophysics for People in a Hurr...
Welcome to the Universe
New York City
8 yrs, 0 mos on Twitter
6,715,927 60.6%
6.profile imageCuriosity Rover

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
8 yrs, 7 mos on Twitter
3,630,887 58.0%
7.profile imagechrislintott

Astronomer, zookeeper and journalist, based at University of Oxford.
The Cosmic Tourist
Exploring the Mysteries of the Un...
8 yrs, 4 mos on Twitter
24,864 57.6%
8.profile imageSarah Kendrew

Astronomer with the European Space Agency. Based at the Space Telescope Science Institute in Baltimore. Opinions my own.
Baltimore/Cape Town/Brussels
9 yrs, 5 mos on Twitter
4,895 54.5%
9.profile imageBrian Cox

A snapshot of what I'm thinking or reading. You won't always agree; I change my mind often. As Feynman said, 'Science is a satisfactory philosophy of ignorance'
The Earth, with everyone else
8 yrs, 2 mos on Twitter
2,414,041 52.7%
10.profile imageDavid W. Hogg

astronomy, cosmology, stars, exoplanets, inference, engineering, data analysis, emcee, The Cannon, Astrometry.net, The Tractor, #openscience, #otherpeoplesdata
New York City
5 yrs, 10 mos on Twitter
4,011 52.3%
11.profile imageMaria Womack

Astrophysicist & planetary scientist @USouthFlorida physics professor. Mostly comets, exoplanets, #astropolicy and #scipolicy Contains no pseudoscience.
Tampa, Florida
7 yrs, 6 mos on Twitter
3,541 51.1%
12.profile imageMike Brown

Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad.
How I Killed Pluto and Why It Had...
Pasadena, CA
7 yrs, 10 mos on Twitter
41,293 50.8%
13.profile imageSarah Hörst

Assistant Prof of Planetary Science @JohnsHopkins, Titan evangelist, pomeranian wrangler. Prone to #sciencedancing. Loves socks. Stridently anti-breakfast.
Baltimore, MD, USA
7 yrs, 10 mos on Twitter
22,353 50.8%
14.profile imageLucianne Walkowicz

astrophysicist @AdlerPlanet. artist. guitarist in @ditchclub. transient bioelectrical phenomenon hurtling through space. (banner credit: @thefeministhour) Ⓥ
Chicago, IL, USA, Earth
6 yrs, 0 mos on Twitter
8,160 50.8%
15.profile imageAstroBetter

Blog and Wiki for professional astronomers.
7 yrs, 10 mos on Twitter
3,896 50.8%
16.profile imageESA

European Space Agency, keeping you posted on European space activities.
7 yrs, 11 mos on Twitter
672,605 50.0%
17.profile imageSpaceX

Official Twitter for SpaceX, the future of space travel. SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft.
Hawthorne, CA
7 yrs, 9 mos on Twitter
2,791,575 49.6%
18.profile imageCatherine Q.

Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. Autoimmune illness girl. Kiwi in US. Dogs rule.
7 yrs, 11 mos on Twitter
27,823 49.6%
19.profile imageBarack Obama

Dad, husband, President, citizen.
Washington, DC
9 yrs, 11 mos on Twitter
84,637,754 48.9%
20.profile imageAstro Pic Of The Day

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…
9 yrs, 5 mos on Twitter
1,175,320 48.9%
21.profile imageNASA JPL

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.
8 yrs, 0 mos on Twitter
1,448,937 48.5%
22.profile imageFraser Cain

Publisher of UniverseToday.com, co-host of AstronomyCast.com.
Courtenay, British Columbia
9 yrs, 11 mos on Twitter
35,761 48.5%
23.profile imageAlex Parker

Planetary astronomer and artist exploring the origin and history of icy worlds at the edge of our solar system.
Boulder, Colorado
8 yrs, 1 mo on Twitter
13,351 48.5%
24.profile image★ amanda bauer ★

astrophysicist. science communicator. music creator. culinary enthusiast. willing.
sydney, australia
8 yrs, 11 mos on Twitter
7,311 48.5%
25.profile imageastrobites

Digestible summaries of the latest research in astrophysics, written by graduate students. Astrobites is supported by the American Astronomical Society.
All over the world
6 yrs, 1 mo on Twitter
5,458 48.1%
26.profile imageJulianne Dalcanton

Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
5 yrs, 1 mo on Twitter
3,871 47.7%
27.profile imageKaren Masters ✨❄️💫

Extragalactic astrophysicist @UoPCosmology. @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Vice-President of @popAstro. Mostly tweeting astronomy.
Portsmouth, UK
7 yrs, 11 mos on Twitter
4,610 47.3%
28.profile imageBryan Gaensler

Astronomer, politics fanatic, sci-fi connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Director of @DunlapInstitute at @UofT. Opinions ∉ @UofT
Extreme Cosmos
Toronto, Canada
7 yrs, 6 mos on Twitter
5,565 47.0%
29.profile imageESA Rosetta Mission

ESA spacecraft that studied Comet 67P/Churyumov-Gerasimenko & sent @philae2014 to its surface. Mission completed 30 Sep 2016. Follow @esascience for latest news
5 yrs, 11 mos on Twitter
519,150 46.6%
30.profile imageAlyssa Goodman

Astronomy Professor at Harvard, figuring out how the Universe makes stars. Trying to make Astronomy more Seamless and STEM education more fun.
8 yrs, 0 mos on Twitter
3,080 46.6%
31.profile imageNASA Kepler and K2

Trailing Earth around the Sun
8 yrs, 2 mos on Twitter
590,946 46.2%
32.profile imageSean Carroll

Theoretical physicist and author at Caltech. Married to @JenLucPiquant. Poetic naturalist. Asking questions of the universe, hoping they're the right ones.
Los Angeles
7 yrs, 11 mos on Twitter
64,568 46.2%
33.profile imagePamela L. Gay

Communicating astronomy and life in academia 1 sidereal day at a time. All opinions & ideas expressed are strictly my own.
Edwardsville, IL
9 yrs, 0 mos on Twitter
26,139 45.5%
34.profile imageAstrotweeps: Fiona

Fiona Panther • @FiPanther • https://t.co/xi86iPD73r • A new astronomer/planetary scientist tweeting about space each week
The Universe
3 yrs, 1 mo on Twitter
4,937 45.5%
35.profile imageElon Musk

Tesla, SpaceX, Tunnels & OpenAI
1 AU
7 yrs, 8 mos on Twitter
7,196,277 44.7%
36.profile imageKelle Cruz

Astronomer, professor at @Hunter_College, associate at @AMNH. Liveable streets advocate. @Spurs fan. Founder, editor of @AstroBetter & CEO of @ScienceBetter
New York, NY
8 yrs, 0 mos on Twitter
3,110 44.7%
37.profile imageBrian Schmidt

An overly busy Cosmologist who is Vice Chancellor of the ANU, Wine maker, Dad & Husband. 2011 Nobel Laureate in Physics
Canberra Australia
7 yrs, 2 mos on Twitter
15,614 44.3%
38.profile imageSarah Tuttle

Astrophysicist. Mom. Lunatic. Bionic Woman. Armed with wrenches & a dream. Professor. Vitals read normal but face is murderous. Legally & reputationally risky.
Feminist Dystopian Hellscape
9 yrs, 1 mo on Twitter
6,930 44.3%
39.profile imageMeg Urry

Yale professor of physics, President of American Astronomical Society, likes supermassive black holes, teaching, writing, increasing diversity, ++my family
Yale University
5 yrs, 3 mos on Twitter
3,591 44.3%
40.profile imageRenée Hložek

South African cisgender, bisexual female Assistant Prof. of Astrophysics, Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist.
Toronto, Ontario
7 yrs, 6 mos on Twitter
3,455 44.3%
41.profile imageNewHorizons2015

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, 6 mos on Twitter
271,655 43.9%
42.profile imageProf. Abel Méndez

Planetary Astrobiologist and Director of the @PlanetaryHabLab. Studying habitable worlds in the universe.
Searching for Habitable Worlds
Arecibo, Puerto Rico
7 yrs, 3 mos on Twitter
10,068 43.9%
43.profile imageMC Stardust ✨

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
6 yrs, 10 mos on Twitter
9,083 43.6%
44.profile imageNicHOLTZ

Astronomer. Educator. Professor. Social justice wizard. Geek. Crossfitter. Dog mom. Salty Parabola. Tweets my own. RT != endorsement.
New Hampshire, USA
8 yrs, 8 mos on Twitter
11,862 43.2%
45.profile imageMolly Peeples

Astronomer @STScI who plays with galaxies, real and imagined. @HubbleTelescope and @NASAWFIRST pay the bills. She/her.
Baltimore, MD, z=0
4 yrs, 4 mos on Twitter
2,909 43.2%
46.profile imageMeg Schwamb

Planetary scientist, astronomer, Gemini North assistant scientist: KBOs, Planet Four (Mars), MBCs(Comet Hunters), & citizen science. Opinions tweeted are my own
Hilo, HI
6 yrs, 9 mos on Twitter
2,897 42.8%
47.profile imagePhilae Lander

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
6 yrs, 3 mos on Twitter
441,688 42.4%
48.profile imageJonathan McDowell

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
8 yrs, 0 mos on Twitter
8,980 42.4%
49.profile imageBrooke Simmons

Somewhat distracted astrophysicist researching galaxies and black holes; on @galaxyzoo & @the_zooniverse teams. Also: equity & diversity in science.
San Diego, CA
8 yrs, 5 mos on Twitter
3,151 42.4%
50.profile imageEmily Rice

Astronomer at @csinews, @GC_CUNY, & @AMNH; #BDNYC & #CUNYAstro; @AstronomyOnTap organizer, 1/2 of @startorialist, & @knitted_bd host ⭐️. Not @djcarlysagan 😜
9 yrs, 5 mos on Twitter
2,987 41.7%
51.profile imageSarcasticRover

Doing a science on the red planet. Not @MarsCuriosity. Tweets relayed by @jfiliatrault.
4th Rock From the Sun
4 yrs, 6 mos on Twitter
299,661 41.3%
52.profile imageNASA New Horizons

The New Horizons spacecraft, launched in 2006, flew past the the icy dwarf planet Pluto and its moons in July 2015.
Solar System
2 yrs, 6 mos on Twitter
318,650 40.5%
53.profile imagePlanetary Society

We don't just enjoy the exploration of space - we work to make it happen. We advocate for space, create our own missions and educate the world.
Pasadena, CA
6 yrs, 4 mos on Twitter
133,019 40.5%
54.profile imageChris Hadfield

Canadian Astronaut, back on Earth after living aboard ISS as Commander of Expedition 35. For events and media, please write to info@chrishadfield.ca.
6 yrs, 5 mos on Twitter
1,909,276 40.2%
55.profile imageUniverse Today

Universe Today - universetoday.com, a website about space and astronomy. Published by @fcain
Courtenay, British Columbia
7 yrs, 11 mos on Twitter
222,144 39.8%
56.profile imageESO

The European Southern Observatory (ESO) is the most productive observatory in the world.
Garching, Germany
8 yrs, 6 mos on Twitter
55,819 39.8%
57.profile imageBill Nye

Everyone you will ever meet knows something you don't.
New York City
7 yrs, 9 mos on Twitter
4,310,964 39.4%
58.profile imageNature News&Comment

Science news & opinion from the news team at Nature, the weekly journal of #science. Get our daily newsletter: go.nature.com/dailynews
8 yrs, 6 mos on Twitter
1,512,916 39.4%
59.profile imageThe SETI Institute

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
7 yrs, 9 mos on Twitter
655,836 39.4%
60.profile imageDr. Chanda 🇧🇧

C Prescod-Weinstein: #BlackandSTEM 🏳️‍🌈 @joc4pal astro|physicist, gq ♀, EIC @TheOffingMag. HuffPo profiled me: https://t.co/YKsjWHckaa https://t.co/CTwP5JOkKL
Seattle, WA/Cambridge, MA
8 yrs, 8 mos on Twitter
13,946 39.4%
61.profile imagePeter Edmonds

Work in astronomy publicity after surviving an astrophysics PhD & postdocs. Interested in science & scicomm. Opinions are mine & RTs aren't always endorsements.
5 yrs, 1 mo on Twitter
3,734 39.4%
62.profile imageKevin Schawinski

Asst Prof @ETH_en | black holes & galaxies | #citizenscience & @galaxyzoo | deep learning | speaker | space.ml
Zurich, Switzerland
6 yrs, 0 mos on Twitter
2,726 39.4%
63.profile imageNew Scientist

The best place to find out what’s new in science – and why it matters. To subscribe go to: https://t.co/nsC9MjQzmh
8 yrs, 0 mos on Twitter
2,465,546 39.0%
64.profile imageMichele Bannister

Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots. Research Fellow @AstroQUB.
living the life non-sidereal
7 yrs, 11 mos on Twitter
4,443 39.0%
65.profile imageAlessondraSpringmann

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
Tucson, AZ
6 yrs, 9 mos on Twitter
4,323 39.0%
66.profile imageESA Science

Science @ the European Space Agency ESA, keeping you posted on European space science activities.
Noordwijk, The Netherlands
7 yrs, 1 mo on Twitter
239,475 38.6%
67.profile imageNASA's Juno Mission

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
8 yrs, 0 mos on Twitter
512,859 38.3%
68.profile imageDr. Phil Metzger

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
4 yrs, 2 mos on Twitter
55,445 38.3%
69.profile imageAlexandra Witze

Correspondent for Nature. Tips: witzescience@gmail.com, secure it with PGP: C789 E4A2 E54A CC71 789E FD68 CE6F 1ED6 007D 3682. Or awitze@protonmail.com.
Boulder, CO
7 yrs, 11 mos on Twitter
16,309 38.3%
70.profile imageCassiniSaturn

Cruising around Saturn, its moons and the magnificent rings
Saturn, Solar System
8 yrs, 7 mos on Twitter
1,133,978 37.9%
71.profile imageRobert Simpson

Googler, astronomer, TED Fellow. Views are my own.
9 yrs, 10 mos on Twitter
33,223 37.9%
72.profile imageMatthew R. Francis

Writer of science, fiction, and comics. Wearer of jaunty hats. Social Justice Doof Warrior. Avatar by @ScienceComic . Will science for food.
Yavin 4
6 yrs, 5 mos on Twitter
12,273 37.9%
73.profile imageDavid Charbonneau

Exoplaneteer and Professor of Astronomy at Harvard. Girl Scout leader, hockey coach, and proud father of four daughters and future presidents.
Harvard University
3 yrs, 1 mo on Twitter
1,925 37.5%
74.profile imageNASA Webb Telescope

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
7 yrs, 10 mos on Twitter
304,006 37.1%
75.profile imageDavid Spergel

Astrophysicist at Princeton University
Princeton NJ
3 yrs, 1 mo on Twitter
3,503 37.1%
76.profile imageJohn Asher Johnson

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
4 yrs, 0 mos on Twitter
2,117 36.7%
77.profile imageLucie Green

Royal Society University Research Fellow, Professor of Physics at UCL. Staring at the Sun & beyond. Chief Stargazer @popastro. New book: amazon.co.uk/15-Million-Deg…
6 yrs, 8 mos on Twitter
16,790 36.4%
78.profile imageNadia Drake

Contributing writer @natgeo. Hotel soap connoisseur. Former ballet dancer. Slightly obsessed with planets (and MOONS), supernovas and spiders. Champagneophile.
San Francisco, CA
6 yrs, 4 mos on Twitter
14,640 36.4%
79.profile imageSarah Ballard

Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc!
Cambridge, MA
3 yrs, 0 mos on Twitter
2,180 36.4%
80.profile imageShit Academics Say

A social experiment | @prof_nch
3 yrs, 4 mos on Twitter
235,144 36.0%
81.profile imageEd Yong

Science writer at The Atlantic. Author of I CONTAIN MULTITUDES, a New York Times bestseller on animal-microbe partnerships smarturl.it/icontainmultit…
Washington, DC
8 yrs, 0 mos on Twitter
105,471 36.0%
82.profile imageRAS

The Royal Astronomical Society is a learned society representing astronomers and geophysicists in the UK and worldwide. Tweets by @RobertMMassey & @SamNLindsay
Burlington House, London
6 yrs, 10 mos on Twitter
14,823 36.0%
83.profile imageMarc Kuchner

PI of Citizen Science site DiskDetective.org, Astrophysicist, Songwriter.
Marketing for Scientists
Greenbelt, MD
8 yrs, 2 mos on Twitter
5,677 36.0%
84.profile imageThomas Robitaille

Freelance, software developer, lead developer of Glue, co-ordinator for the Astropy project, software Editor for AAS Publishing, open development advocate.
United Kingdom
7 yrs, 10 mos on Twitter
1,731 35.6%
85.profile imageJane MacArthur

Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. @RoyalAstroSoc #actuallivingscientist #STEMAmbassador #Chondrules2017 #UKSpace2017
8 yrs, 0 mos on Twitter
5,289 34.8%
86.profile imageDr Chiara Mingarelli

Marie Curie Fellow in #GravitationalWave #Astrophysics at MPIfR via @Caltech, @NASAJPL, @unibirmingham. From Ottawa, Canada
Gravitational Wave Astrophysics w...
Bonn, Germany
5 yrs, 11 mos on Twitter
4,144 34.8%
87.profile imageHaley Gomez

I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
7 yrs, 2 mos on Twitter
2,394 34.8%
88.profile imageNASA's Dawn Mission

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
7 yrs, 3 mos on Twitter
186,834 34.5%
89.profile imageDavid Grinspoon

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
5 yrs, 4 mos on Twitter
20,370 34.5%
90.profile imageStuart (V/I)

Maker of things. Co-author of a book cosmos-book.github.io with @chrisenorth. Part time at @ODILeeds ✨⭐🛰📕📊
Leeds, UK
9 yrs, 8 mos on Twitter
8,263 34.5%
91.profile imageJedidah Isler, PhD

Relentless Dreamer / Astrophysicist / Science Lover / Innovator / TED Fellow / Founder & Host @VanguardSTEM / @NatGeo Emerging Explorer / @TheRoot 100
6 yrs, 6 mos on Twitter
6,895 34.5%
92.profile imagePeter Coles

Theoretical astrophysicist, specialising in cosmology. Also interested in jazz, opera, poetry, crosswords, etc. Citizen of Nowhere.
From Cosmos to Chaos
From Cosmos to Chaos
Cardiff, Wales
7 yrs, 4 mos on Twitter
4,307 34.5%
93.profile imageTim Peake

ESA astronaut & test pilot back on Earth after 6 months in space. Tweets are my own. Book out now (proceeds to Prince’s Trust): https://t.co/kCC7qgSvBz
Cologne, Germany
4 yrs, 10 mos on Twitter
1,439,372 34.1%
94.profile imageMarek Kukula

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 ...
6 yrs, 6 mos on Twitter
4,728 34.1%
95.profile imageDr. Ian O'Neill

Recovering British solar physicist, not-so-award winning science writer, skeptic, atheist, @Seeker Space Producer. @EVEOnline capsuleer. IG: @astroengine
Woodland Hills, Los Angeles
8 yrs, 6 mos on Twitter
35,759 33.7%
96.profile imageAmber Straughn

Arkansas native & @NASA astrophysicist for #JWST. Pilot, yogini, homebrewer, Great Dane mom, @PearlJam fan, Razorback 🏈 fan, #FirstGen Not an official NASA acct
5 yrs, 9 mos on Twitter
8,954 33.7%
97.profile imageLee Billings

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
7 yrs, 9 mos on Twitter
7,103 33.7%
98.profile imageChristina R.

Planetary Scientist/Astrophysicist, Past Chair of @AAS_Women, fighter for inclusion in STEM, runner, wine drinker; views are my own.
1 yr, 4 mos on Twitter
1,661 33.7%
99.profile imageElisabeth Newton

Studying the stars with my feet on the ground. Astro grad interested in #scicomm, education & diversity. Climber, brewer, baker, crafter & @astrobites author.
Cambridge, MA.
5 yrs, 8 mos on Twitter
1,495 33.7%
100.profile imageFranck Marchis

Planetary astronomer and exoplanet chair at the Carl Sagan Center of the SETI Institute, husband & dad. Tweet about space, our environment & human rights.
San Francisco
6 yrs, 5 mos on Twitter
4,602 33.3%
101.profile imageThe 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
7 yrs, 3 mos on Twitter
15,898 33.0%
102.profile imageAlan Duffy

Astronomer / astrophysicist. Gets way too excited chatting science on air. A/Professor at @Swinburne making galaxies since 2014. instagram.com/dr.a.duffy
4 yrs, 7 mos on Twitter
8,944 33.0%
103.profile imageAlberto Conti

Astrophysicist & Innovation Manager google.com/sky/ - hubblesite.org/ibooks Tweets are my own, at least in this multiverse.
8 yrs, 7 mos on Twitter
2,594 33.0%
104.profile imageRisa Wechsler

astrophysicist. cosmologist. maker of universes and various kinds of trouble. professor of physics @ stanford
San Francisco
4 yrs, 5 mos on Twitter
2,241 33.0%
105.profile imageGeert Barentsen

NASA Astronomer in Silicon Valley • Helps run the Kepler/K2 Space Telescope • Thinks Bayesian • Wields Python • Likes Burritos • Does not own a cat.
Mountain View, CA
7 yrs, 8 mos on Twitter
1,832 33.0%
106.profile imagePhil Marshall

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
7 yrs, 9 mos on Twitter
1,440 33.0%
107.profile imageStuart Clark

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
7 yrs, 9 mos on Twitter
37,028 32.6%
108.profile imageNancy Atkinson

Editor for Universe Today and author of the 'Incredible Stories From Space'
8 yrs, 7 mos on Twitter
11,135 32.6%
109.profile imageBenneHolwerda

Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
the Netherlands
8 yrs, 7 mos on Twitter
1,018 32.6%
110.profile imageSam Cristoforetti

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.
5 yrs, 7 mos on Twitter
911,794 32.2%
111.profile imageJonathan Amos

BBC Science Correspondent
Cambridge, UK
7 yrs, 1 mo on Twitter
38,571 32.2%
112.profile imageDaniel Fischer

All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)
Königswinter, Germany
8 yrs, 4 mos on Twitter
12,027 32.2%
113.profile imageEmily Baldwin

Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
7 yrs, 11 mos on Twitter
4,555 32.2%
114.profile imageDr. Jess Kirkpatrick

Dr. Jessica Ann Kirkpatrick, Astrophysicist → Data Scientist @Hired_HQ (formerly @Yammer & @InstaEDU). Also @AAS_Women @data4america @techiesproject
San Francisco, CA
7 yrs, 7 mos on Twitter
3,420 32.2%
115.profile imageAnna Frebel

Astronomer & stellar archaeologist searching for the oldest stars in the universe (yes, they are 12-13 billion yrs old!); also professor at MIT & author
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New Horizons in Astronomy
Cambridge, MA, USA
3 yrs, 8 mos on Twitter
1,911 32.2%
116.profile imageJessie Christiansen

Exoplanet scientist, purveyor of fine @NASAKepler data, and science curator at @NASAExoplanetArchive.
Caltech, Pasadena, CA, USA
3 yrs, 1 mo on Twitter
1,411 32.2%
117.profile imageRuth Angus

Researching exoplanets & rebugging in python.
Oxford, UK
5 yrs, 9 mos on Twitter
1,255 32.2%
118.profile imageBuzz Aldrin

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
7 yrs, 8 mos on Twitter
991,803 31.8%
119.profile imageJane Rigby

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
6 yrs, 1 mo on Twitter
1,402 31.8%
120.profile imageWIRED Science

Bringing the radiothermally generated heat. The team: @KatieMPalmer, @StocktonSays, @MeganMolteni, and @MrMattSimon.
San Francisco, California
9 yrs, 4 mos on Twitter
1,993,571 31.4%
121.profile imageCERN

CERN, the European Organization for Nuclear Research, is the world's largest particle physics lab and has #RestartLHC for #13TeV collisions. French: @CERN_FR
8 yrs, 7 mos on Twitter
1,904,896 31.4%
122.profile imageNOT ALT WORLD

The #Resistance team against #AltFacts #FauxNews #FauxScience Formerly: Unofficial National Park Service #Science #Climate #Facts Run by non-gov individuals
1 yr, 9 mos on Twitter
1,343,091 31.4%
123.profile image.Astronomy

Conference series about what happens when hackers, astronomers and the web all get together.
Cambridge, MA, USA
8 yrs, 8 mos on Twitter
3,843 31.4%
124.profile imageDr Megan Argo

By day: just another transient astronomer. By night: samba drumming, rock climbing, public speaker, teacher and science advocate. facebook.com/DrMeganArgo
Planet Earth
7 yrs, 11 mos on Twitter
3,172 31.4%
125.profile imageKarin Sandstrom

Assistant professor of astronomy and physics. Lover of coffee, interstellar dust, California, nerdy stuff. Originally from SW Washington.
San Diego, CA
7 yrs, 10 mos on Twitter
1,532 31.4%
126.profile imageScientific American

Founded in 1845, Scientific American is the authoritative source for the science discoveries and technology innovations that matter.
New York City, NY, USA
8 yrs, 9 mos on Twitter
2,147,804 31.1%
127.profile imageNYT Science

Science, Environment, Space and Cosmos. Sign up for the Science Times email newsletter: nyti.ms/20Qgv3s
New York, NY
9 yrs, 11 mos on Twitter
1,037,652 31.1%
128.profile imageCarolyn Porco

Planetary scientist. Cassini imaging lead. Visiting Scholar UC Berkeley. Sr Editor Astrobiology journal. I think. I speak. I write. Opinions are my own.
7 yrs, 6 mos on Twitter
40,008 31.1%
129.profile imageAlan Boyle

Aerospace and science editor @GeekWire. Longtime blogger @CosmicLog. Author of "The Case for Pluto." Links/RTs ≠ endorsements
8 yrs, 11 mos on Twitter
29,964 31.1%
130.profile imageWoman Astro

Promoting astronomy, encouraging women/girls interested in science. WomanAstro.com, etsy.com/shop/WomanAstro
7 yrs, 2 mos on Twitter
4,440 31.1%
131.profile imageSTARtorialist

Where science meets fashion and scientists get FABULOUS! By professional astronomers @Summer_Ash & @emilylurice.
The Universe
3 yrs, 2 mos on Twitter
2,869 31.1%
132.profile imageNASA Goddard

Tweeting the best in heliophysics, technology, astrophysics, Earth sciences and robotic exploration for the Goddard Space Flight Center.
Greenbelt, MD USA
8 yrs, 0 mos on Twitter
374,736 30.7%
133.profile imageESA Operations

From Earth orbit to deep space: sharing the excitement of real-time mission operations at ESA #ESOC50 September 2017 Have you applied for #Sentinel2Go?
Darmstadt, Germany
8 yrs, 3 mos on Twitter
218,121 30.7%
134.profile imageThe Royal Society

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
7 yrs, 10 mos on Twitter
141,498 30.7%
135.profile imageSky & Telescope

The Essential Guide to Astronomy | We provide the world's leading compendium of information about the science and hobby of astronomy.
Cambridge, Mass.
7 yrs, 11 mos on Twitter
82,801 30.7%
136.profile imageMatt Taylor

I work on the ESA Rosetta mission
4 yrs, 4 mos on Twitter
29,714 30.7%
137.profile imageKaren James

Wearer of the following hats: scientist putting DNA sequencing to work 4 environmental research & conservation, outdoorswoman, astronaut hopeful, feminist, wool
Bar Harbor, Maine, USA
8 yrs, 3 mos on Twitter
23,896 30.7%
138.profile imageMeredith Rawls

Stellar astronomer and data management for @LSST. Also: scicommer, violist, Episcopalian. Less nighttime blue light, more 24/7 equity. Keep looking up.
Portland & Seattle
6 yrs, 11 mos on Twitter
1,766 30.7%
139.profile imageSPACE.com

News coverage and conversation about space science, astronomy and exploration. Part of @Purch
8 yrs, 7 mos on Twitter
519,231 30.3%
140.profile imageOverheard On Astroph

Eavesdropping on tex-source comments in papers posted to astro-ph
9 mos on Twitter until last tweet (2014-Oct-21)
2,297 30.3%
141.profile imageEthan Siegel

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, author, Forbes & NASA columnist.
Beyond the Galaxy
Portland, OR
5 yrs, 10 mos on Twitter
9,171 29.9%
142.profile imageTanya Harrison

🇨🇦Professional Martian. @asunewspace Research Scientist, @exploreplanets web editor, current/former sci team @MarsRovers, @MarsCuriosity & Mars Recon Orbiter.
Toronto / Tempe
7 yrs, 10 mos on Twitter
8,349 29.9%
143.profile imageWill Gater

Astronomer, journalist & space geek willgater.com | willgaterastrophotography.com
8 yrs, 8 mos on Twitter
7,222 29.9%
144.profile imageAndy Lawrence

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
Astronomical Measurement
Auld Reekie
6 yrs, 10 mos on Twitter
1,888 29.9%
145.profile imageDan F-M

I write code for good & astrophysics.
5 yrs, 6 mos on Twitter
1,733 29.9%
146.profile imageJennifer L. Hoffman

    Astronomer, associate professor, alto, auntie, ailurophile.  University of Denver
Stellar Polimetry
Denver, CO
3 yrs, 1 mo on Twitter
1,679 29.9%
147.profile imageJosh Peek

Statements in my profile may be false.
8 yrs, 0 mos on Twitter
956 29.9%
148.profile imageScience Friday

Brain fun for curious people. Hosted by @iraflatow, from @PRI.
New York, New York
8 yrs, 4 mos on Twitter
738,222 29.5%
149.profile imageJennifer Ouellette

Jen-Luc Piquant is the faux-French avatar of science writer Jennifer Ouellette. Past Gizmodo science editor. Married to @seanmcarroll.
Los Angeles, CA
6 yrs, 10 mos on Twitter
27,363 29.5%
150.profile imageAlanStern

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, 6 mos on Twitter
20,714 29.5%
151.profile image★ Colin Stuart ★

Astronomy author, writer & speaker. The Geek Guide to Life out now - amzn.to/2aQwxoG. See website for books + business & schools talks.
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8 yrs, 2 mos on Twitter
5,661 29.5%
152.profile imageMeg Rosenburg

planetary science PhD | #scicomm & #histSTM | freelancer, filmmaker, podcaster | megrosenburg.com | And what you do, do it unfeignedly.
Somerville, MA
4 yrs, 2 mos on Twitter
4,177 29.5%
153.profile imageAstro Union

Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.
2 yrs, 8 mos on Twitter
4,032 29.5%
154.profile imageJason Wright

Associate Professor of Astronomy and Astrophysics at Penn State. Astronomy and meta-astronomy. Opinions are my own.
State College, PA, USA
4 yrs, 4 mos on Twitter
2,178 29.5%
155.profile imageRogue NASA

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
0 mos on Twitter
880,307 29.2%
156.profile imageSpirit and Oppy

Roaming the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.
Mars: Gusev Crater & Meridiani
8 yrs, 7 mos on Twitter
419,782 29.2%
157.profile imageUK Space Agency

Official Twitter channel of the UK Space Agency. We're at the heart of UK efforts to explore and benefit from space.
Swindon, England
7 yrs, 4 mos on Twitter
195,584 29.2%
158.profile imagerealscientists

Real science from real scientists, writers, communicators, artists & clinicians. This Week: Microbiologist Jennifer Tsang | @jw_tsang
4 yrs, 0 mos on Twitter
45,195 29.2%
159.profile imageJohn Grunsfeld

Former lead for Science at NASA (Associate Administrator) Astronaut STS-67,81,103,109,125 Hubble Hugger, Space and Earth explorer
5 yrs, 0 mos on Twitter
32,514 29.2%
160.profile imageTrueSciPhi

A window on science and philosophy communities on Twitter and YouTube, by Kelly Truelove. See site for more.
1 yr, 8 mos on Twitter
3,037 29.2%
161.profile imageHannah Wakeford

@NASAGoddard Postdoc Fellow | Physics PhD from @UniofExeter |@IOP 3 Minute Wonder Winner | @BSACDivers Instructor | Producer of The Science Hour on @XpressionFM
5 yrs, 4 mos on Twitter
1,490 29.2%
162.profile imageScott Kelly

Houston, TX
7 yrs, 6 mos on Twitter
2,718,980 28.8%
163.profile imageJeff Foust

Senior writer, @SpaceNews_Inc. You know the drill: retweets aren't endorsements; opinions here are my own.
Rockville, Maryland, USA
9 yrs, 8 mos on Twitter
25,570 28.8%
164.profile imageBlackPhysicists

Arlington, VA and Worldwide
7 yrs, 8 mos on Twitter
15,055 28.8%
165.profile imageESA Gaia

Science with 1 billion objects in three dimensions
7 yrs, 11 mos on Twitter
13,326 28.8%
166.profile imageMika McKinnon

Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressible educator.
7 yrs, 8 mos on Twitter
11,870 28.8%
167.profile imageProf. Jorge Moreno

Astrophysicist | Visiting Scholar at Harvard | AAS CSMA Chair | Assistant Professor at Cal Poly Pomona
Cambridge, MA
2 yrs, 6 mos on Twitter
888 28.8%
168.profile imageAmy Mainzer

Jet Propulsion Laboratory
4 yrs, 0 mos on Twitter
23,959 28.4%
169.profile imagegalaxyzoo

It's Galaxy Zoo!
8 yrs, 1 mo on Twitter
13,227 28.4%
170.profile imageMark McCaughrean

In order of ascending importance: Plymouthian, Devonian, English, British, European, citizen of Earth, recycled cosmic leftovers. Opinions own.
The Origins of Stars and Planets
The Origins of Stars and Planets
Wassenaar, Netherlands
1 yr, 6 mos on Twitter
3,254 28.4%
171.profile imageRobert Massey

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, 6 mos on Twitter
2,439 28.4%
172.profile image(((Stephen S.)))

Professor of Astronomy at the Open University, roped into various OU/BBC things too. The views here do not necessarily blah blah.
An Introduction to Galaxies and C...
Observational Cosmology
Observational Cosmology
7 yrs, 10 mos on Twitter
1,905 28.4%
173.profile imageJason Kalirai

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
5 yrs, 7 mos on Twitter
1,864 28.4%
174.profile imageGuardian Science

Science, health and environment news from the @Guardian. Plus, independent comment and analysis from our network of expert science bloggers
7 yrs, 11 mos on Twitter
980,538 28.0%
175.profile imageJim Al-Khalili

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
7 yrs, 1 mo on Twitter
94,459 28.0%
176.profile imageLIGO

I am the Laser Interferometer Gravitational-wave Observatory. I look for space-time ripples.
Livingston, LA and Hanford, WA
8 yrs, 8 mos on Twitter
28,699 28.0%
177.profile imageCorey S. Powell

Science editor at @aeonmag. Contributing editor and blogger at @discovermag. Contributing editor at @AmSciMag. Science-curious.
7 yrs, 11 mos on Twitter
24,674 28.0%
178.profile imageChris North

Ogden Science Lecturer & astronomer at @CardiffPHYSX. Co-author of cosmos-book.github.io and other books, semi-regular broadcaster. All comments are my own.
How to Read the Solar System
Cardiff (normally)
7 yrs, 4 mos on Twitter
4,863 28.0%
179.profile imageArfon Smith 🚀

Head of Data Science Mission Office @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of The Journal of Open Source Software.
Baltimore, MD
10 yrs, 1 mo on Twitter
3,453 28.0%
180.profile imageAstroJJE

Astrophysicist studying exploding binary stars. Lecturer, Public Speaker, Sci-fi addict, feminist, trans/genderfluid, prefers "JJ" & them/they pro-nouns.
Auckland, New Zealand
3 yrs, 9 mos on Twitter
1,437 28.0%
181.profile imageBecky Smethurst

Doctor of Astrophysics | @galaxyzoo | @dotastronomy | @sixtysymbols | University of Nottingham | FameLab | #scicomm | Enthusiasm reigns here!
Oxford, UK
7 yrs, 10 mos on Twitter
1,034 28.0%
182.profile imagePresident Obama

This is an archive of an Obama Administration account maintained by the National Archives and Records Administration (NARA).
Washington, D.C.
3 yrs, 7 mos on Twitter
15,211,148 27.7%
183.profile imageHubble

The official Twitter account for the NASA Hubble Space Telescope. #SpotHubble
Goddard Space Flight Center
8 yrs, 11 mos on Twitter
2,204,484 27.7%
184.profile imageNatalie Batalha

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, 0 mos on Twitter
3,334 27.7%
185.profile imagePaul Crowther

@unisheffield Astrophysics Prof mostly researching Monster Stars. Keen interest in UK sci policy, esp @STFC_Matters's ups & downs
Peoples Republic of Sheffield
7 yrs, 2 mos on Twitter
2,618 27.7%
186.profile imageJess Shanahan

Rogue astrophysicist. Co-founder of @AAS_WGAD. Lover of AGN & queer feminist. I write about #disability, gaming, & #STEM! #disabledandSTEM #EDS #INTJ
Washington, DC
5 yrs, 8 mos on Twitter
2,426 27.7%
187.profile imageErin Ryan

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
7 yrs, 5 mos on Twitter
1,980 27.7%
188.profile imageJonathan Pritchard

Imperial astrophysicist and bewildered vagabond. SKA enthusiast. (opinions mine, not employer's)
Richmond, London
6 yrs, 1 mo on Twitter
1,200 27.7%
189.profile imageJonathan Fortney

Professor at UC Santa Cruz & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Softballer, Runner, Surfer?, Minnesotan.
Santa Cruz, CA
5 yrs, 0 mos on Twitter
1,055 27.7%
190.profile imageAdam Burgasser

astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
6 yrs, 5 mos on Twitter
1,043 27.7%
191.profile imageInstitute of Physics

Official Twitter account for the Institute of Physics (IOP). facebook.com/instituteofphy…
7 yrs, 9 mos on Twitter
157,242 27.3%
192.profile imageDr Lisa Harvey-Smith

Astronomer, Physicist, Ultra-Marathoner, Speaker, Author, MC, Founder of @AstroCourses, Essex Girl, Gooner, Vego, Friend of Dorothy, Sometimes on the telly.
5 yrs, 3 mos on Twitter
3,703 27.3%
193.profile imageRadio Astrology

Opening new windows in the prediction spectrum. Astrology at long wavelengths.
In the stars (and the ISM)
5 yrs, 3 mos on Twitter
3,011 27.3%
194.profile imageAndy Rivkin

Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
8 yrs, 8 mos on Twitter
2,707 27.3%
195.profile imageRachael Livermore

British Astrophysicist & tea lover. I critique Star Trek science at snarkyastronomer.tumblr.com Videos of my public talks at bit.ly/SciTalks
Austin, TX
8 yrs, 7 mos on Twitter
2,008 27.3%
196.profile imageJo Dunkley

Professor of Physics and Astrophysics at Princeton
Princeton, NJ
5 yrs, 4 mos on Twitter
1,577 27.3%
197.profile imageScience Magazine

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
7 yrs, 10 mos on Twitter
899,991 26.9%
198.profile imageHubbleTelescope

News from the Hubble Space Telescope
8 yrs, 7 mos on Twitter
108,567 26.9%
199.profile imageAndrew Pontzen

I do cosmology and piano. Employed by UCL, funded by the Royal Society. It's not their fault when I talk nonsense, though.
6 yrs, 6 mos on Twitter
2,948 26.9%
200.profile imageAwesome_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, 9 mos on Twitter
1,714 26.9%
201.profile imageMichelle Collins

Astrophysics Lecturer @surreyastro, working on Local Group galaxies. Soft spot for Andromeda. Keen runner therunningastronomer.com
Guildford, England
7 yrs, 8 mos on Twitter
979 26.9%
202.profile imageEmily Levesque

The real exciting sound in science is not, 'Eureka!' It's, 'Wow, that's weird.'
Seattle, WA
7 yrs, 0 mos on Twitter
887 26.9%
203.profile imageStephen Fry

Actor and writer currently working on new TV comedy @GreatIndoorsCBS Instagram – stephenfryactually
Los Angeles, CA
8 yrs, 7 mos on Twitter
12,406,240 26.5%
204.profile imageBobak Ferdowsi

Explorer of space. Engineer on NISAR Earth Science & Europa Clipper. Mars Curiosity, Cassini Saturn Opinions mine 'once had a funny haircut' - @lazer2k
Pasadena, CA
7 yrs, 6 mos on Twitter
79,668 26.5%
205.profile imageESA Planck

A European Space Agency (ESA) spacecraft to understand the origin and evolution of our Universe
L2: 1,000,000 miles from Earth
8 yrs, 8 mos on Twitter
46,145 26.5%
206.profile imageJason Major

Space. Planets. NASA. Science. Rocketry. Astronomy. Democracy. Atheism. Humanism. Environmentalism. Coffee. #ScienceNotSilence #RESIST
Warwick, RI
7 yrs, 1 mo on Twitter
13,494 26.5%
207.profile imageKim Kowal Arcand

Mom of 2. Science viz lead for Chandra Observatory; favorite kind of light=X-rays. Latest book: Light. TedX speaker. Opinions=my own arcandwatzke.com
8 yrs, 11 mos on Twitter
6,191 26.5%
208.profile imageKristin Block

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, 8 mos on Twitter
2,672 26.5%
209.profile imageEli Bressert

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
8 yrs, 3 mos on Twitter
2,337 26.5%
210.profile imageJames Davenport

Astronomy PhD, Postdoctoral Fellow, blogger, casual data analyst, Seattleite. All opinions are my own.
4 yrs, 9 mos on Twitter
1,489 26.5%
211.profile imageMike Massimino

Former @NASA astronaut, Professor at Columbia @CUSEAS, Sr. Advisor for Space Programs @IntrepidMuseum, Author of #Spaceman
New York, NY
7 yrs, 10 mos on Twitter
1,353,897 26.1%
212.profile imageHUBBLE

The official feed of ESA/Hubble. The Hubble Space Telescope is the space-based observatory which has revolutionised modern astronomy.
6 yrs, 9 mos on Twitter
346,063 26.1%
213.profile imageLego Academics

The female academics of the Lego Research Institute take on the challenges of modern academia. CC-BY-NC-SA
Lego Research Institute
2 yrs, 6 mos on Twitter
67,955 26.1%
214.profile imageAmy Shira Teitel

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
6 yrs, 2 mos on Twitter
35,923 26.1%
215.profile imageDNLee

#NewProf, Mammalogist, Diversity & Access to STEM, Unapologetically Intersectional, Mama Panyabuku, TED Fellow
Midwest, US; Tanzania, Africa
6 yrs, 6 mos on Twitter
20,301 26.1%
216.profile imageRobert 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
8 yrs, 8 mos on Twitter
6,393 26.1%
217.profile imageDavid Kipping

Astronomy Professor @Columbia University | Cool Worlds Lab | @YouTube #CoolWorlds #scicomm channel | #equityinSTEM #exoplanets #astrostatistics #ClimateAction
The Transits of Extrasolar Planet...
7 yrs, 11 mos on Twitter
1,669 26.1%
218.profile imageAnna Watts

Associate Professor of Astrophysics @ University of Amsterdam. Neutron stars. Mom, Yorkshire-Scot in the Flatlands. "Particles in stars blah blah."
2 yrs, 8 mos on Twitter
1,452 26.1%
219.profile imageErik Tollerud

Astrophysicist, Python coder, and general lover of nature in all its forms.
Baltimore, MD
7 yrs, 8 mos on Twitter
819 26.1%
220.profile imageHistory of Astronomy

Multidisciplinary/multicultural #history of #astronomy by @VoulaSaridakis, Ph.D. Curator, Collections, Museum of Science and Industry, Chicago @msichicago.
All tweets/views/opinions mine
1 yr, 11 mos on Twitter
15,229 25.8%
221.profile imageNick Howes

Astronomer, Consultant and Science Writer - Fellow of Royal Astronomical Society. Director of Aerolite Meteorites in UK/Europe
Cherhill in Wiltshire
7 yrs, 2 mos on Twitter
14,105 25.8%
222.profile imageSara Seager

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
6 yrs, 4 mos on Twitter
4,970 25.8%
223.profile imageKimberly EnnicoSmith

“Second star to the right and straight on 'til morning."
Boulder, CO, Mountain View, CA
8 yrs, 11 mos on Twitter
3,603 25.8%
224.profile imageAAS CSWA

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
5 yrs, 2 mos on Twitter
1,456 25.8%
225.profile imageAsteroid Watch

The Center for Near Earth Object Studies at JPL characterizes and monitors orbits of asteroids & comets. Part of NASA's Planetary Defense Coordination Office.
Pasadena, California
7 yrs, 11 mos on Twitter
1,343,084 25.4%
226.profile imagePHD Comics

Life (or the lack thereof) in Academia.
8 yrs, 6 mos on Twitter
139,112 25.4%
227.profile imageElise Andrew

just a liberal, freckle-faced slut - some dude on Twitter. Also, I Fucking Love Science.
London, England
3 yrs, 11 mos on Twitter
68,020 25.4%
228.profile imageAAS Press Office

Astronomy news from the Press Office of the American Astronomical Society, managed by Dr. Rick Fienberg. Note: Tweeting is not endorsing, only informing.
6 yrs, 3 mos on Twitter
4,066 25.4%
229.profile imageSloan Digital Sky

Tweeting about mapping the Universe @APOGEEsurvey @eBOSSurvey @MaNGASurvey
Apache Point Observatory.
4 yrs, 0 mos on Twitter
2,112 25.4%
230.profile imageAAS Executive 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
6 yrs, 3 mos on Twitter
1,904 25.4%
231.profile imageAstropy

This is the official twitter account for the Astropy project.
5 yrs, 6 mos on Twitter
1,718 25.4%
232.profile imageJohanna

Astronomer, runner, educator, feminist, vegan, baker
Pasadena, CA
3 yrs, 1 mo on Twitter
1,177 25.4%
233.profile imageNRAO

The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
Charlottesville, VA
8 yrs, 4 mos on Twitter
10,346 25.0%
234.profile imageEllen Stofan

Planetary geologist, STEM advocate, former Chief Scientist of NASA
Exploring Venus as a Terrestrial ...
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235.profile imageBBC Science News

News, features and analysis from the BBC Science & Environment news desk.
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236.profile imageAstronomy Magazine

The best-selling astronomy magazine
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237.profile imageAriel Waldman

Author of WHAT'S IT LIKE IN SPACE? amzn.to/1MFUEVC. NASA Advisor @NASAIAC. Founder Spacehack.org. Global Director @ScienceHackDay. Speaker.
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9 yrs, 11 mos on Twitter
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238.profile imageRoyal Observatory

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.
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6 yrs, 5 mos on Twitter
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239.profile imageSquareKilometreArray

The SKA will be the world's largest radio telescope, located in Africa & Australia. Headquarters @jodrellbank. Tweets by @wilgarnier, @matisidro & @JoeJDiamond
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240.profile imageKeri Bean

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241.profile imageCarolina Ödman

Astrophysicist mum of 2 working in technology, science, development, hacking (the good kind), photography, mostly in a state of happiness. Also @nakedmotherhood
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242.profile imageJames Bullock

Professor of Physics & Astronomy. Cosmologist, Anteater, and Buckeye.
California, USA
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243.profile imageAdrian Price-Whelan

astrophysics, galaxy dynamics github.com/adrn facebook.com/operatormusicb…
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244.profile imageNASA Voyager

The official account for NASA’s twin Voyager 1 & 2 spacecraft, the longest operating spacecraft in deep space.
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245.profile imageSTFC

Science and Technology Facilities Council: Pioneering science for a better future. See @STFC_B2B for business news.
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246.profile imageJen Gupta

Space nerd. @UoPCosmology Astrophysics Outreach Officer. @WinSciFest Director. @SeldomSirius host. Active Galaxies were my first love.
Winchester, UK
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247.profile imageLSST

The widest, fastest, deepest eye of the new digital age.
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248.profile imageRemovable 👽 Alien

May the odds be ever in our favour 👽 これも過ぎるでしょう ⭐️ Sanguine astrophysicist and drinker of many teas ☕️ الأفعال أبلغ من الأقوال 🏴‍☠️ @Scientists4EU #AntiFa R=V/I
7 yrs, 10 mos on Twitter
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249.profile imageRay Jayawardhana

Astronomer, Explorer, Writer, Speaker. Author of "Strange New Worlds" and "Neutrino Hunters"
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5 yrs, 11 mos on Twitter
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250.profile imageVanessa Moss

Adventures of the Cosmic Pudding & sidekick Vanessa: astronomy research, outreach, observing... I run @arXiver & @AstroJobVis. More interesting than a giraffe.
Sydney, Australia
3 yrs, 9 mos on Twitter
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251.profile imageJoss Bland-Hawthorn

All things novel, astrophysical, mathematical, technological.
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Sydney, Australia
2 yrs, 8 mos on Twitter
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252.profile imageEric Mamajek

astronomer, dad, reader of stellar tea leaves, searcher of extrasolar needles in haystacks. My tweets are my own.
Pasadena, CA
6 yrs, 0 mos on Twitter
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253.profile imageNate Silver

Editor-in-Chief, @FiveThirtyEight. Author, The Signal and the Noise (amzn.to/QdyFYV). Sports/politics/food geek.
New York
8 yrs, 5 mos on Twitter
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254.profile imageNASA Kennedy / KSC

Official Tweets from NASA's Kennedy Space Center
Florida, USA
8 yrs, 4 mos on Twitter
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255.profile imageNational Science Fdn

Where Discoveries Begin. Social media policy: bit.ly/smpnsf
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256.profile imageJon Butterworth

Physics prof at UCL, works on #LHC. theguardian.com/science/life-a… Citizen of England, UK, Europe & Nowhere, apparently. Personal account.
Mainly London & Geneva.
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257.profile imageMichael Merrifield

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5 yrs, 7 mos on Twitter
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258.profile imageJill Tarter

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
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259.profile imageJackie Faherty

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7 yrs, 11 mos on Twitter
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260.profile imageDerek Fox

Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
7 yrs, 11 mos on Twitter
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261.profile imageJoanna Barstow

RAS Research Fellow and Planetary Scientist at UCL, STEM Ambassador, sci outreacher, FRAS, ScienceGrrl. Christian, singer, bookworm.
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262.profile imageDr. Brian May

Rocket Ship Builder
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263.profile imageMESSENGER

First spacecraft to orbit Mercury.
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264.profile imageAction Scientist

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From the Earth to the Moon
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265.profile imageHenna

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266.profile imageKeaton S

TV Bod on @BBCTheOneShow #StargazingLive Dara OB Meets Stephen Hawking #MeetTheSuperbrains #Horizons #SkyAtNight #SpaceLive #StripTheCosmos & #DrWhoFest. #CHD
London / Cannock / Birmingham
7 yrs, 4 mos on Twitter
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267.profile imageCaleb Scharf

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New York
6 yrs, 3 mos on Twitter
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268.profile imageAnais Rassat

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7 yrs, 0 mos on Twitter
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269.profile imageSAO/NASA ADS

6 yrs, 1 mo on Twitter
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270.profile imageMark Marley

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Mountain View, California
6 yrs, 6 mos on Twitter
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271.profile imageWilliam Keel

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Tuscaloosa, AL, USA
7 yrs, 0 mos on Twitter
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272.profile imageGrant Tremblay

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New Haven
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273.profile imageHillary Clinton

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New York, NY
3 yrs, 10 mos on Twitter
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274.profile imageNASA's MAVEN Mission

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
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275.profile imageBBC The Sky at Night

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276.profile imageAstronomy Now

The UK's best and longest running astronomy magazine!
7 yrs, 11 mos on Twitter
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277.profile imageTim O'Brien

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Manchester, UK
7 yrs, 11 mos on Twitter
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278.profile imageNature Astronomy

A Nature journal dedicated to presenting the very best research across the disciplines of astronomy, astrophysics, cosmology and planetary science.
London, England
1 yr, 4 mos on Twitter
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279.profile imagePaul Sutherland

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Walmer, Kent
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280.profile imageDr Chris Tibbs

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ESA via Manchester & Caltech

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281.profile imageBenjamin Pope

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Oxford, UK
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282.profile imageCaitlin Casey

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Austin, TX
3 yrs, 0 mos on Twitter
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283.profile imageCaryl Gronwall

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284.profile imageIntl. Space Station

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Low Earth Orbit
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285.profile imageMarch for Science

The March for Science champions publicly funded and publicly communicated science as a pillar of human freedom and prosperity. March with us on April 22, 2017.
Washington, DC
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286.profile imageJodrell Bank

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53.236057, -2.306871
9 yrs, 9 mos on Twitter
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287.profile imageSci Curious

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Washington, DC
7 yrs, 10 mos on Twitter
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288.profile imageRemco Timmermans

Space and Social Media Ambassador | CEO @SpaceUpConf | Owner @SeventyMedia | @ISU_SSP #SSP17 and #SSP18 Faculty | Team @dieAstronautin | #Sentinel2Go
Nijmegen, Netherlands
8 yrs, 0 mos on Twitter
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289.profile imageJC Holbrook

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Kaapstad, ZA
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290.profile imageDay 27/?

40.136397, -105.107532
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291.profile imageEdward Gomez 🤖

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Cardiff, UK
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292.profile imageStephen Colbert

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293.profile imageDara Ó Briain

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Beneath your wings.
7 yrs, 8 mos on Twitter
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294.profile imageSpaceflight Now

The best source for space news
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295.profile imageCarl Zimmer

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8 yrs, 11 mos on Twitter
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296.profile imageNSFVoyager2

Semper peregrinus inter astra — a well-informed unofficial account full of unauthorized jargon, administered from NSF, which still funds science on-board!
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297.profile imageDianna Cowern

Creator of YouTube videos for every atom and eve. Please respond to tweets with bad puns.
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298.profile imageLisa Randall

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6 yrs, 1 mo on Twitter
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299.profile imageAstroPhD Katey ✨

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, 8 mos on Twitter
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300.profile imageAstronomy Meetings

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2 yrs, 9 mos on Twitter
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