Astronomers' Favorite Twitter Feeds

Updated: 2018-Jul-18 22:02 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
1.profile imageKatie Mack

(a.k.a. Dr Katherine J Mack) astrophysicist/cosmologist, occasional freelance science writer, connoisseur of airplane food
Raleigh, NC
9 yrs, 2 mos on Twitter
277,066 73.1%
2.profile imageNASA

Explore the universe and discover our home planet with @NASA. We usually post in EST (UTC-5)
10 yrs, 6 mos on Twitter
29,299,546 69.1%
3.profile imagePhil Plait

SCIENCE! I love this stuff. My Bad Astronomy blog: syfy.com/badastronomy I use "likes" for bookmarks. No endorsement implied.
Bad Astronomy
11 yrs, 3 mos on Twitter
612,066 69.1%
4.profile imageEmily Lakdawalla

Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist, public speaker. Wrote a book on Curiosity rover. Asteroid 274860.
The Design and Engineering of Cur...
Pasadena, CA
10 yrs, 2 mos on Twitter
147,196 67.6%
5.profile imageNeil deGrasse Tyson

Accessory to War
StarTalk Young Readers Edition (S...
Welcome to the Universe
New York City
9 yrs, 5 mos on Twitter
12,713,323 62.2%
6.profile imagechrislintott

Astronomer, zookeeper and journalist, based at University of Oxford.
The Cosmic Tourist
Exploring the Mysteries of the Un...
9 yrs, 9 mos on Twitter
28,281 57.9%
7.profile imageSarah Kendrew

Astronomer with the European Space Agency. Based at the Space Telescope Science Institute in Baltimore. Astronomy, running, bikes. Opinions my own. 🇧🇪🇬🇧
10 yrs, 10 mos on Twitter
7,188 55.9%
8.profile imageCuriosity Rover

Your friendly neighborhood NASA Mars rover. Exploring the Red Planet since 2012. Team headquartered at NASA's Jet Propulsion Laboratory 🚀 @NASAJPL
Gale Crater, Mars
10 yrs, 0 mos on Twitter
3,905,060 55.3%
9.profile imageBarack Obama

Dad, husband, President, citizen.
Washington, DC
11 yrs, 4 mos on Twitter
101,367,604 55.0%
10.profile imageDr./Prof. Sarah Hörst

Just an Assistant Prof of Planetary Science @JohnsHopkins who is tired AF but still trying to do the damn thing. she/her
Baltimore, MD, USA
9 yrs, 3 mos on Twitter
46,483 55.0%
11.profile imageDavid W. Hogg

astronomy, cosmology, stars, exoplanets, inference, engineering, data analysis, emcee, The Cannon, Astrometry.net, The Tractor, #openscience, #otherpeoplesdata
New York City
7 yrs, 3 mos on Twitter
5,651 53.9%
12.profile imageLucianne Walkowicz

Chair of Astrobiology @librarycongress studying ethics of Mars exploration, astronomer @AdlerPlanet, multimedia artist. Opinions ~my own~
Washington, DC
7 yrs, 5 mos on Twitter
12,657 53.0%
13.profile imageSpaceX

SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft.
Hawthorne, CA
9 yrs, 2 mos on Twitter
7,115,810 52.7%
14.profile imageAstrotweeps: Peter

Peter Boorman • @boorm • https://t.co/VbzNcThkH8 • A new astronomer/planetary scientist tweeting about space each week.
The Universe
4 yrs, 6 mos on Twitter
9,232 52.7%
15.profile imageAstroBetter

Blog and Wiki for professional astronomers.
9 yrs, 3 mos on Twitter
4,703 52.7%
16.profile imageDr. Maria Womack

Astrophysicist & planetary scientist, USF professor #teamcomets #astrochemistry #scipolicy #planetarydefense Contains no pseudoscience
Tampa, Florida
8 yrs, 11 mos on Twitter
4,354 52.1%
17.profile imageAstronomy Picture 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…
10 yrs, 10 mos on Twitter
1,291,311 51.6%
18.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
7 yrs, 6 mos on Twitter
7,485 51.6%
19.profile image★ dr amanda bauer ★

Head of Education & Public Outreach for LSST. Music creator. Co-host of #CosmicVertigo space podcast abc.net.au/radionational/…
Tucson, AZ
10 yrs, 4 mos on Twitter
9,766 50.7%
20.profile imageProf. Karen Masters 💫⭐️✨

Professor of astrophysics @haverfordedu. Investigating galaxies with @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. Mostly tweeting astronomy. British
Ardmore, PA
9 yrs, 4 mos on Twitter
7,318 50.7%
21.profile imageJulianne Dalcanton

Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
6 yrs, 6 mos on Twitter
6,102 50.7%
22.profile imageBrian Cox

I think the world needs more experts.
The Earth, with everyone else
9 yrs, 7 mos on Twitter
2,838,979 50.4%
23.profile imageSarah Tuttle

Astrophysicist. Vashti or Mordechai, depends on the day. Armed with wrenches & a dream. Professor. Legally & reputationally risky. 100% problematic.
Feminist Dystopian Hellscape
10 yrs, 6 mos on Twitter
10,408 49.6%
24.profile imageESA

European Space Agency, keeping you posted on European space activities.
9 yrs, 4 mos on Twitter
853,391 49.3%
25.profile imageBryan Gaensler

Astronomer and Director of the @DunlapInstitute at @UofT. Science-fiction connoisseur, rugby tragic, displaced Antipodean, bewildered parent. Opinions ∉ @UofT.
Extreme Cosmos
Toronto, Canada
8 yrs, 11 mos on Twitter
7,951 49.3%
26.profile imageDr. Renée Hložek

South African cisgender, bisexual woman Assistant Prof. of Astrophysics, Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist.
Toronto, Ontario
8 yrs, 11 mos on Twitter
4,978 48.7%
27.profile imageMike Brown

Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad.
How I Killed Pluto and Why It Had...
Pasadena, CA
9 yrs, 3 mos on Twitter
63,672 48.4%
28.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.
9 yrs, 5 mos on Twitter
2,699,034 48.1%
29.profile imageSean Carroll

Physicist and author at Caltech. Married to @JenLucPiquant. In favor of truth and kindness.
Los Angeles
9 yrs, 4 mos on Twitter
219,815 48.1%
30.profile imageFraser Cain

Publisher of universetoday.com, co-host of astronomycast.com. Named after Asteroid 158092.
Courtenay, British Columbia
11 yrs, 4 mos on Twitter
38,284 48.1%
31.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
9 yrs, 5 mos on Twitter
23,606 48.1%
32.profile imageMolly Peeples

Astronomer in the Science Policies Group @STScI playing with galaxies & gas, real & fake. #Hubble, #JWST, #WFIRST pay the bills; opinions are my own. She/her.
Baltimore, MD, z=0
5 yrs, 9 mos on Twitter
5,943 47.6%
33.profile imageAlyssa A. Goodman

Astronomy Professor at Harvard, CoDirector of Science at Radcliffe Institute. Loves data, visualization, Universe, education, people. Not in that order.
9 yrs, 5 mos on Twitter
3,561 47.0%
34.profile imageElon Musk

9 yrs, 1 mo on Twitter
22,264,315 46.7%
35.profile imageKelle Cruz

Astronomy Prof at @Hunter_College, @AMNH, and #BDNYC. Liveable streets. @Spurs. Founder, editor of @AstroBetter & CEO of @ScienceBetter. Coordinator of @Astropy
New York, NY
9 yrs, 5 mos on Twitter
4,661 46.7%
36.profile imageMC Stardust ✨ Inclusion Rider 4 Life

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
8 yrs, 3 mos on Twitter
12,518 46.1%
37.profile imageAlex Parker

Planetary astronomer and artist exploring the origin and history of our solar system. Director of @ESPRESSO_SSERVI. If in doubt, I could probably laser it.
Boulder, Colorado
9 yrs, 6 mos on Twitter
26,053 45.8%
38.profile imageMeg Urry

Yale physics prof, likes supermassive black holes, teaching, writing, increasing participation in STEM, my family
Yale University
6 yrs, 8 mos on Twitter
4,268 45.8%
39.profile imageCatherine Q.

Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. Autoimmune illness girl. Kiwi in US. Dogs rule.
9 yrs, 4 mos on Twitter
40,137 45.6%
40.profile imageBrooke Simmons

Somewhat distracted astrophysicist researching galaxies & black holes; on @galaxyzoo & @the_zooniverse teams. Also planetaryresponsenetwork.org lead.
San Diego, CA
9 yrs, 10 mos on Twitter
5,707 45.6%
41.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
8 yrs, 7 mos on Twitter
22,723 44.7%
42.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
10 yrs, 5 mos on Twitter
38,395 44.4%
43.profile imageProf. Abel Méndez

Planetary Astrobiologist and Director of the @PlanetaryHabLab. Studying habitable worlds using the Arecibo Observatory. #exoplanets #astrobiology
Searching for Habitable Worlds
Arecibo, Puerto Rico
8 yrs, 8 mos on Twitter
13,733 44.4%
44.profile imageNASA Kepler and K2

Launched in March 2009, Kepler is NASA's first spacecraft to detect Earth-size planets in the just-right Goldilocks habitable zone of other stars.
Trailing Earth around the Sun
9 yrs, 7 mos on Twitter
608,521 44.1%
45.profile imageProf. Emily Rice, Ph.D.

Astronomer at @csinews, @GC_CUNY, @AMNH, #BDNYC, & #CUNYAstro; @AstronomyOnTap organizer, 1/2 of @startorialist, & @knitted_bd host ⭐️. Not @djcarlysagan 😜
Occupied Lunaape Land (NYC)
10 yrs, 10 mos on Twitter
4,651 44.1%
46.profile imageSarcasticRover

Doing a science on the red planet. Not @MarsCuriosity. Portrait by @badportraits. Written by @jfiliatrault.
4th Rock From the Sun
5 yrs, 11 mos on Twitter
1,020,105 43.0%
47.profile imageProf. Nicole Gugliucci, Doctor of the Sky

Professor, astronomer, education researcher, science communicator, working for equity in STEM. Geek, crossfitter, dog mom. She/her. Tweets my own, etc etc 💙💜💖
New Hampshire, USA
10 yrs, 1 mo on Twitter
21,072 43.0%
48.profile imageDr Michele Bannister

Planetary astronomer, poet, hunter of new and strange worlds. Connoisseur of fuzzy dots of light. Asteroid (10463). Research Fellow @AstroQUB.
living the life non-sidereal
9 yrs, 4 mos on Twitter
7,244 43.0%
49.profile imageCassiniSaturn

Explored Saturn, its moons and the magnificent rings. Science still in progress.
Saturn, Solar System
10 yrs, 0 mos on Twitter
1,626,903 42.7%
50.profile imageNASA Webb Telescope

NASA's James Webb Space Telescope will give us an amazing look at the universe! It will launch in 2021. RT, likes, and/or @mentions do not imply endorsement.
Greenbelt, Maryland
9 yrs, 3 mos on Twitter
387,069 42.7%
51.profile imageAlessondra Springmann

asteroids, comets, sounding rockets, @AreciboRadar/🇵🇷 love, cacti, geology, autoimmune disease, puns, equity/inclusion, cat herding, rants, 小惑星レーダー天文学者, she/her
Chukson / Tucson, AZ
8 yrs, 2 mos on Twitter
6,968 42.7%
52.profile imageESO

The European Southern Observatory (ESO) is the most productive observatory in the world.
Garching, Germany
9 yrs, 11 mos on Twitter
71,003 42.1%
53.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, 7 mos on Twitter until last tweet (2016-Sep-30)
484,383 41.8%
54.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
9 yrs, 11 mos on Twitter
277,378 41.5%
55.profile imageDr. Jessie Christiansen

NASA Research Scientist | #exoplaneteer | #WomenInStem advocate | Science curator at @NASAExoArchive | Usual nerd grab-bag of fandoms
Caltech, Pasadena, CA, USA
4 yrs, 6 mos on Twitter
5,394 41.5%
56.profile imageDavid Spergel

Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
4 yrs, 6 mos on Twitter
4,802 41.5%
57.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.
6 yrs, 6 mos on Twitter
4,079 41.3%
58.profile imageMeg Schwamb

Planetary scientist, astronomer, Gemini North assistant scientist: KBOs, Planet Four(Mars), MBCs(Comet Hunters),LSST SSSC co-chair. Opinions tweeted are my own
Hilo, HI
8 yrs, 2 mos on Twitter
4,251 41.0%
59.profile imageBill Nye

Bill Nye Saves the World Season 3 Now Streaming Only on Netflix.
9 yrs, 2 mos on Twitter
5,754,321 40.4%
60.profile imageNASA's Juno Mission

Exploring Jupiter to improve our understanding of the planet's origins and the formation of planetary systems. missionjuno.org nasa.gov/juno
9 yrs, 5 mos on Twitter
697,737 39.8%
61.profile imageDr Rachael Livermore

British Astrophysicist & tea lover. I critique Star Trek science at snarkyastronomer.tumblr.com Videos of my public talks at bit.ly/SciTalks
Melbourne, Victoria
10 yrs, 0 mos on Twitter
5,388 39.8%
62.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
3 yrs, 11 mos on Twitter
339,391 39.5%
63.profile imageTanya Harrison

🇨🇦Professional Martian, PhD. Director of Research @asunewspace, Web Editor @exploreplanets, current/former team @[email protected]+Mars Recon Orbiter.
Toronto / Phoenix
9 yrs, 4 mos on Twitter
18,851 39.5%
64.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
4 yrs, 6 mos on Twitter
2,942 39.5%
65.profile imageChris Hadfield

Canadian Astronaut, back on Earth after 3 spaceflights. For events and media, please write to [email protected]
7 yrs, 10 mos on Twitter
2,400,416 39.3%
66.profile imageESA Science

Science @ the European Space Agency ESA, keeping you posted on European space science activities.
Noordwijk, The Netherlands
8 yrs, 6 mos on Twitter
286,397 39.3%
67.profile imageDr. T’Chanda Prescod-Weinstein🙅🏽‍♀️ 🇧🇧

#BlackandSTEM Prof of Physics Chanda P-W. also does: #HistSTM & #STS. Over the binary, tweets by/for me only, repped by @jkpapin. medium.com/@chanda
10 yrs, 1 mo on Twitter
33,995 39.3%
68.profile imageSarah Ballard

Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
4 yrs, 5 mos on Twitter
3,060 39.3%
69.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
9 yrs, 2 mos on Twitter
673,621 39.0%
70.profile imagePlanetary Society

Citizen-powered #space exploration led by CEO @BillNye. Join us.
Pasadena, CA
7 yrs, 9 mos on Twitter
180,188 39.0%
71.profile imageMatthew R Francis, ANTIQUACK

Writer of physics and astronomy. Wearer of jaunty hats. Tryin' to publish a novel. Proud Rebel scum. Avatar by @ScienceComic .
Cleveland, OH
7 yrs, 10 mos on Twitter
17,064 39.0%
72.profile imageDr Chiara Mingarelli

Gravitational-wave astrophysicist. Flatiron Research Fellow at @FlatironCCA. Previously @Caltech, @NASAJPL, and MPIfR. Views my own.
New York, NY
7 yrs, 4 mos on Twitter
5,914 39.0%
73.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
5 yrs, 5 mos on Twitter
2,334 39.0%
74.profile imageAlexandra Witze

Correspondent for Nature, views my own. Reach me (generally) witzescience-at-gmaildotcom or (securely) awitze-at-protonmaildotcom.
Boulder, CO
9 yrs, 4 mos on Twitter
18,615 38.7%
75.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
7 yrs, 8 mos on Twitter
407,029 38.4%
76.profile imageDr. Christina Richey

Planetary Scientist/Astrophysicist, fighter 4 inclusion in STEM, love/hate relationship w/ workouts, wine drinker, making my mom proud; views are my own.
Los Angeles, CA
2 yrs, 10 mos on Twitter
2,183 38.4%
77.profile imageBenneHolwerda

Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
10 yrs, 0 mos on Twitter
1,585 38.4%
78.profile imageNature News & Comment

Science news & opinion from the news team at Nature, the international journal of #science. Get our daily newsletter: go.nature.com/naturebriefing
9 yrs, 11 mos on Twitter
1,872,307 38.1%
79.profile imageNadia Drake

Contributing writer @natgeo. Former ballet dancer. Slightly obsessed with planets (and MOONS), supernovas and spiders. Champagneophile.
7 yrs, 9 mos on Twitter
25,943 38.1%
80.profile imageRisa Wechsler

astrophysicist. cosmologist. maker of universes and various kinds of trouble. professor of physics @ stanford
San Francisco
5 yrs, 10 mos on Twitter
3,761 38.1%
81.profile imageAlberto Conti

Astrophysicist "Fight Devastating Ignorance with Facts" - Tweets are my own, at least in this multiverse. en.wikipedia.org/wiki/Alberto_C…
10 yrs, 0 mos on Twitter
3,361 37.8%
82.profile imageUniverse Today

Universe Today - universetoday.com, a website about space and astronomy. Tweets are probably coming from @fcain
Courtenay, British Columbia
9 yrs, 4 mos on Twitter
286,256 37.5%
83.profile imageEd Yong

Science writer at The Atlantic. Author of I CONTAIN MULTITUDES, a New York Times bestseller on animal-microbe partnerships. edyong.me
Washington, DC
9 yrs, 5 mos on Twitter
139,059 37.0%
84.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
Searching for the Oldest Stars
New Horizons in Astronomy
Cambridge, MA, USA
5 yrs, 1 mo on Twitter
9,379 37.0%
85.profile imageKevin Schawinski

Asst Prof @ETH_en | black holes | galaxies | #citizenscience | @galaxyzoo | deep learning | co-founder @modulos_ai | space.ml
Zurich, Switzerland
7 yrs, 5 mos on Twitter
4,280 37.0%
86.profile imageJane MacArthur

Planetary scientist @UniOfLeicester studying martian meteorites & comet dust. Writer @PopAstro. Fellow @RoyalAstroSoc #MetSoc2018 #RAS200 #Violinist
9 yrs, 5 mos on Twitter
6,941 36.7%
87.profile imageHubble

The official Twitter account for the NASA Hubble Space Telescope, managed and operated by NASA's Goddard Space Flight Center.
Goddard Space Flight Center
10 yrs, 4 mos on Twitter
6,010,829 36.4%
88.profile imageSTARtorialist

Where science meets fashion and scientists get FABULOUS! By professional astronomers @Summer_Ash & @emilylurice.
The Universe
4 yrs, 7 mos on Twitter
3,838 36.4%
89.profile imageDJ Dr JJ Eldridge

NZ Astrophysicist studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, trans non-binary femme, prefers them/they/she/her pro-nouns.
The Lives and Death-Throes of Mas...
Auckland, New Zealand
5 yrs, 2 mos on Twitter
3,229 36.4%
90.profile imageKarin Sandstrom

Assistant professor of astronomy and physics. Lover of coffee, interstellar dust, California, nerdy stuff. Originally from SW Washington.
San Diego, CA
9 yrs, 3 mos on Twitter
2,528 36.4%
91.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
2 yrs, 9 mos on Twitter
13,271 36.1%
92.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/M4DdnmRv4N
9 yrs, 5 mos on Twitter
3,372,938 35.8%
93.profile imageNiki/ @RealScientists

Real science from real scientists, writers, communicators, artists & clinicians. This week: Niki Rust | @nikirust
5 yrs, 5 mos on Twitter
66,950 35.8%
94.profile imageJedidah Isler, PhD

Relentless Dreamer / Astrophysicist / Science Lover / Innovator / TED Fellow / Founder & Host @VanguardSTEM / @NatGeo Emerging Explorer
7 yrs, 11 mos on Twitter
11,488 35.8%
95.profile imageShit Academics Say

A social experiment | @prof_nch
4 yrs, 9 mos on Twitter
287,313 35.5%
96.profile imageMarc Kuchner

PI of Citizen Science projects backyardworlds.org, diskdetective.org, Astrophysicist, Songwriter.
Marketing for Scientists
Greenbelt, MD
9 yrs, 7 mos on Twitter
5,793 35.5%
97.profile imageMika McKinnon

Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious.
West Coast
9 yrs, 1 mo on Twitter
25,498 35.2%
98.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
9 yrs, 2 mos on Twitter
7,951 35.2%
99.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
9 yrs, 3 mos on Twitter
2,217 35.2%
100.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
5 yrs, 7 mos on Twitter
74,887 35.0%
101.profile imageAlan Duffy

A/Professor in Astrophysics at @Swinburne and Lead Scientist of @RiAus Instagram.com/profalanduffy
6 yrs, 0 mos on Twitter
19,554 34.7%
102.profile imageDr Anna Watts

Associate Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars (explosions, dense matter), X-ray astronomy. Mom, Migrant. Particles in stars blah blah.
4 yrs, 1 mo on Twitter
2,994 34.7%
103.profile imageNASA Goddard

Tweeting the best in astrophysics, Earth sciences, engineering, robotic exploration, Sun science, and technology for NASA's Goddard Space Flight Center.
Greenbelt, MD USA
9 yrs, 5 mos on Twitter
477,207 34.4%
104.profile imageRobert Simpson

Googler, astronomer, TED Fellow. Views are my own.
11 yrs, 3 mos on Twitter
31,604 34.4%
105.profile imageDavid Grinspoon

Astrobiologist, Author, Musician. New book CHASING NEW HORIZONS: Inside the Epic First Mission to Pluto.
Chasing New Horizons
Earth in Human Hands
Towards Understanding the Climate...
Biosphere One
6 yrs, 9 mos on Twitter
21,782 34.4%
106.profile imageJane Rigby

Astronomer researching black holes & galaxies, using telescopes around world & in space, helping build Webb Telescope @NASA. Queer parent geek UU.🚲 Views mine
DC Metro
7 yrs, 6 mos on Twitter
4,446 34.4%
107.profile imageDr. Jennifer L. Hoffman ✨

Astronomer, associate professor, alto, auntie, ailurophile. University of Denver
Stellar Polimetry
Denver, CO
4 yrs, 6 mos on Twitter
2,636 34.4%
108.profile imageRoyal Astronomical Society

The RAS is a learned society representing astronomers and geophysicists in the UK & worldwide. Tweets by @RobertMMassey, @MorganDJHollis, & @DrHelenKlus.
Burlington House, London
8 yrs, 4 mos on Twitter
27,501 34.1%
109.profile imageRobert McNees

Professor, physicist, sci comm. Black holes, quantum gravity, cosmology. Tar Heel. RT = spooky action at a distance. Opinions are mine alone.
Chicago, z=0
10 yrs, 1 mo on Twitter
10,958 34.1%
110.profile imageMeredith Rawls

Stellar astronomer and data management for @LSST. Also: mom, scicommer, violist, Episcopalian. Less nighttime blue light, more 24/7 equity. Keep looking up.
Seattle, WA
8 yrs, 4 mos on Twitter
5,130 34.1%
111.profile imageProfe Jorge Moreno, PhD

NSF-Funded Theoretical Astrophysicist | Visiting Scholar at Harvard | AAS CSMA Chair | Assistant Professor at Pomona College | de-Indigenized “Latinx” | QPOC
Claremont, CA
3 yrs, 11 mos on Twitter
1,849 34.1%
112.profile imageAmber Straughn

Arkansas native & @NASA astrophysicist. Climate change is real. Pilot, yogini, homebrewer, Great Dane mom, @PearlJam fan, Razorback 🏈 fan, #FirstGen Tweets mine
7 yrs, 2 mos on Twitter
13,098 33.8%
113.profile imageJason Wright

Associate Professor of Astronomy and Astrophysics at Penn State. Astronomy and meta-astronomy. Opinions are my own.
State College, PA, USA
5 yrs, 9 mos on Twitter
5,809 33.8%
114.profile imagePeter Coles 🌈 🇪🇺 🇮🇪 🇬🇧

Theoretical astrophysicist, specialising in cosmology, making a new home in Ireland. Also interested in jazz, opera, poetry, crosswords, cricket, etc. #FBPE
The Routledge Companion to the Ne...
From Cosmos to Chaos
Maynooth, Co Kildare, Ireland
8 yrs, 9 mos on Twitter
5,499 33.8%
115.profile imageGeert Barentsen

NASA Astronomer in Silicon Valley • Kepler Space Telescope GO Director • Thinks Bayesian • Likes Burritos • Does not own a cat. 🚀🌯😾 #KeplerMission #K2Mission
Mountain View, CA
9 yrs, 1 mo on Twitter
2,894 33.8%
116.profile imageDr Michelle Collins

Astrophysicist working on Local Group galaxies. Soft spot for Andromeda. Keen runner. All views my own. RT != endorsement
Guildford, England
9 yrs, 1 mo on Twitter
1,514 33.8%
117.profile imageJosh Peek

Principal Investigator @MAST_News. Data Science and astronomy at @stsci and JHU. Statements do not reflect the position of any employer, obvi.
9 yrs, 5 mos on Twitter
1,187 33.8%
118.profile imageAlan Stern

Scientist. Space Explorer. Author. Speaker, Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015.
Chasing New Horizons
Pluto and Charon
Worlds Beyond
Niwot, CO
9 yrs, 11 mos on Twitter
28,028 33.5%
119.profile imageDr. Jessica Kirkpatrick

Jessica Ann Kirkpatrick, Astrophysicist → Data Scientist #scientist #runner #feminist #writer #catPerson
San Francisco, CA
9 yrs, 0 mos on Twitter
4,885 33.5%
120.profile imageCERN

#CERN, the European Organization for Nuclear Research, is the world's largest particle physics lab, home of the #LHC. French: @CERN_FR
10 yrs, 0 mos on Twitter
2,576,003 33.2%
121.profile imageCarolyn Porco

Cassini imaging lead. Visiting Scholar UC Berkeley. National Geographic Eliza Scidmore awardee. I think. I speak. I write. Opinions are my own.
8 yrs, 11 mos on Twitter
60,218 33.2%
122.profile imageESA Gaia

Science with 1 billion objects in three dimensions
9 yrs, 4 mos on Twitter
17,565 33.2%
123.profile imageHaley Gomez

I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
8 yrs, 7 mos on Twitter
2,938 33.2%
124.profile imageElisabeth Newton

NSF postdoc and stellar physicist @MIT with a passion for education and #scicomm. Also a climber, baker, crafter & @astrobites co-founder.
Cambridge, MA.
7 yrs, 1 mo on Twitter
2,045 33.2%
125.profile imageGrant Tremblay

Astrophysicist at the Harvard-Smithsonian Center for Astrophysics. Previously a @NASA Einstein Fellow @Yale, Fellow @ESO, and SDAS regular @STScI. Views my own.
Cambridge, MA
9 yrs, 4 mos on Twitter
1,948 33.2%
126.profile imageSophia Nasr 🏳️‍🌈

Astroparticle physicist working on dark matter. PhD student @UCIrvine. On a mission to captivate the world w/ physics, one particle at a time. And w/ hamsters.
🐶|Los Angeles〉+ 🐹|Irvine〉
8 yrs, 2 mos on Twitter
16,640 33.0%
127.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
7 yrs, 3 mos on Twitter
11,763 33.0%
128.profile image✨ Emily Levesque 🏳️‍🌈

Astronomer, writer, bizarre star enthusiast, telescope story collector. || The real exciting sound in science is not "Eureka!", it's "huh, that's weird..."
Understanding Stellar Evolution (...
Astrophysics of Red Supergiants (...
Seattle, WA
8 yrs, 5 mos on Twitter
2,122 33.0%
129.profile imageDan F-M

I write code for good & astrophysics.
6 yrs, 11 mos on Twitter
2,347 32.7%
130.profile imageBuzz Aldrin

88 yrs young. Gemini 12 & Apollo 11 Astronaut & Moonwalker; West Point to USAF Colonel, Korean War veteran; Doctorate, M.I.T. Founder, Human Space Flight Inst.
9 yrs, 1 mo on Twitter
1,314,359 32.4%
131.profile imageNYT Science

Science, Medicine, Environment, Space and Cosmos. Sync your calendar with the solar system: nyti.ms/2ECMtej
New York, NY
11 yrs, 4 mos on Twitter
1,134,428 32.4%
132.profile imageProf. Lisa Harvey-Smith

Astrophysicist, Author, #WhenGalaxiesCollide, (30 July @MUPublishing), Presenter @ABCtv's #StargazingABC, Ultra-marathoner. 🌈 https://t.co/20P4INHe1M
6 yrs, 8 mos on Twitter
12,031 32.4%
133.profile imageStuart

Maker of things. Co-author of "Cosmos: The Infographic Book of Space". Has ridden quite a long way on a bicycle. ✨🛰📕📊🌈
11 yrs, 1 mo on Twitter
8,144 32.4%
134.profile imageTim Peake

ESA astronaut & test pilot back on Earth after 6 months in space. New book out now (proceeds to Prince's Trust): hyperurl.co/AskAnAstro Tweets are my own
Cologne, Germany
6 yrs, 3 mos on Twitter
1,653,984 32.1%
135.profile image.Astronomy

Conference series about what happens when hackers, astronomers and the web all get together.
Cambridge, MA, USA
10 yrs, 1 mo on Twitter
3,937 32.1%
136.profile imageDr Erin 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.
The shores of the crab infested impact crater
8 yrs, 10 mos on Twitter
2,624 32.1%
137.profile imageBecky Smethurst

Astrophysicist researching how black holes affect galaxies. I present videos for @sixtysymbols | #astronomy | #physics | #scicomm | Enthusiasm reigns here!
Nottingham, UK
9 yrs, 3 mos on Twitter
2,334 32.1%
138.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
8 yrs, 8 mos on Twitter
18,937 31.8%
139.profile imageFranck Marchis

Planetary astronomer at the SETI Institute, CSO at Unistellar, husband, dad & crossfit athlete balancing his life. Tweet about space, our planet & human rights.
San Francisco
7 yrs, 10 mos on Twitter
5,753 31.8%
140.profile imageScientific American

Awesome discoveries. Expert insights. Science that shapes the world.
New York City, NY, USA
10 yrs, 2 mos on Twitter
3,662,545 31.5%
141.profile imageBobak Ferdowsi

Explorer of space. Engineer on NISAR Earth Science & Europa Clipper. Mars Curiosity, Cassini Saturn. Cat dad. Self-opinioned.
Pasadena, CA
8 yrs, 11 mos on Twitter
121,317 31.5%
142.profile imageLIGO

Official Twitter of the LIGO Scientific Collaboration. We detect gravitational waves! YouTube: youtube.com/ligovirgo
Livingston, LA and Hanford, WA
10 yrs, 1 mo on Twitter
82,344 31.5%
143.profile imageProf. Lucie Green

Royal Society University Research Fellow, Professor of Physics at UCL. Staring at the Sun & beyond. Chief Stargazer @popastro. New book: amzn.to/2nitfmi
8 yrs, 1 mo on Twitter
19,204 31.5%
144.profile imageWoman Astro

Promoting astronomy, encouraging women/girls interested in science. WomanAstro.com, etsy.com/shop/WomanAstro
New Mexico, USA
8 yrs, 7 mos on Twitter
4,903 31.5%
145.profile imageJohanna

Astronomer, runner, educator, feminist, vegan, baker, #Nats fan
Pasadena, CA
4 yrs, 6 mos on Twitter
1,859 31.5%
146.profile imageAdam Burgasser

astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
7 yrs, 11 mos on Twitter
1,693 31.5%
147.profile imageIan O'Neill

Recovering British astrophysicist, @AstroSocietyPac Mercury editor, science writer and communicator. #atheist #skeptic #scicomm #eveonline
Woodland Hills, Los Angeles
9 yrs, 11 mos on Twitter
35,923 31.2%
148.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)
2,269 31.2%
149.profile imageRuth Angus

Researching exoplanets & rebugging in python.
Oxford, UK
7 yrs, 2 mos on Twitter
1,461 31.2%
150.profile imageESA Operations

From Earth orbit to deep space: sharing the excitement of realtime mission operations at ESA 🚀🕹️
Darmstadt, Germany
9 yrs, 8 mos on Twitter
244,710 30.9%
151.profile imageCorey S. Powell

Science writer on @BillNyeSaves. Contributing editor at @aeonmag, @discovermag, and @AmSciMag. Science-curious.
Brooklyn, NY
9 yrs, 4 mos on Twitter
72,393 30.9%
152.profile imageJason Major

Space. Planets. NASA. Science. Rocketry. Astronomy. Democracy. Nature. Birds. Coffee. Occasionally funny. Sometimes I make pictures. Follow for space goodness.
Warwick, RI
8 yrs, 6 mos on Twitter
26,355 30.9%
153.profile imageAstro Union

Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.
4 yrs, 1 mo on Twitter
5,683 30.9%
154.profile imageJesse Shanahan

Astrophysicist studying bulgeless galaxies & writing about space & linguistics for @Forbes. EMT. Cofounded @AAS_WGAD, creator of #disabledandSTEM. #EDS
Stolen Manahoac Land
7 yrs, 1 mo on Twitter
4,823 30.9%
155.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
9 yrs, 3 mos on Twitter
1,160,947 30.7%
156.profile imageBlackPhysicists

Arlington, VA and Worldwide
9 yrs, 1 mo on Twitter
18,168 30.7%
157.profile imageSloan Digital Sky Surveys

Tweeting about mapping the Universe @APOGEEsurvey @eBOSSurvey @MaNGASurvey
Apache Point Observatory.
5 yrs, 5 mos on Twitter
3,533 30.7%
158.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
9 yrs, 2 mos on Twitter
1,507 30.7%
159.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
1 yr, 5 mos on Twitter
875,553 30.4%
160.profile imageScience Friday

Brain fun for curious people. Hosted by @iraflatow. From @WNYCStudios.
New York, New York
9 yrs, 9 mos on Twitter
761,275 30.4%
161.profile imageEmily Petroff

Astronomer. Reader. Random number generator. I study things that go bang.
The Netherlands
5 yrs, 0 mos on Twitter
4,373 30.4%
162.profile imageDavid Kipping

Exoplanets & Exomoons, Columbia University, Cool Worlds Lab
The Transits of Extrasolar Planet...
Manhattan, NY
9 yrs, 4 mos on Twitter
3,183 30.4%
163.profile imageHannah Wakeford

Giacconi Fellow @STScI/@AURADC , @exo_cast podcaster & @BSACDIVER | Previously @NASAGoddard Fellow & @UniofExeter PhD | Expressed opinions are mine
6 yrs, 9 mos on Twitter
2,209 30.4%
164.profile imageJames Davenport

Astronomy PhD, [v/b]logger, casual data analyst, Seattleite. All opinions are my own.
6 yrs, 2 mos on Twitter
2,157 30.4%
165.profile imageHUBBLE

The official feed of ESA/Hubble. The Hubble Space Telescope is the space-based observatory which has revolutionised modern astronomy.
8 yrs, 2 mos on Twitter
554,527 30.1%
166.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
8 yrs, 8 mos on Twitter
222,200 30.1%
167.profile imageNancy Atkinson

Science journalist, @universetoday & @Seeker. Author of the book "Incredible Stories From Space"
10 yrs, 0 mos on Twitter
11,445 30.1%
168.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
9 yrs, 5 mos on Twitter
5,508 30.1%
169.profile imageJason Kalirai

Sikh-Canadian @NASA Astrophysicist & Project Scientist @STScI. Husband & father of 4-MMSJS. Fan of Hubble, JWST, WFIRST, LSST, Cowboys football. Tweets mine.
Highland, MD
7 yrs, 0 mos on Twitter
2,301 30.1%
170.profile imageJackie Faherty

Astrophysicist at @AMNH. Enthusiast for bringing the cosmos to the public @backyardworlds #womeninscience #BDNYC #manhattanhenge calculator. #scicomm
9 yrs, 4 mos on Twitter
3,821 29.8%
171.profile imageScott Kelly

Houston, TX
8 yrs, 11 mos on Twitter
5,796,536 29.5%
172.profile imageWIRED Science

Bringing the radiothermally generated heat. The team: @KatieMPalmer, @JetJocko, @rtg0nzalez, @MeganMolteni, and @MrMattSimon.
San Francisco, California
10 yrs, 9 mos on Twitter
2,012,524 29.5%
173.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 until last tweet (2017-Feb-07)
1,179,366 29.5%
174.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.
9 yrs, 4 mos on Twitter
102,075 29.5%
175.profile imageBrian Keating

Physics Professor @UCSanDiego. @SimonsObs Director. Speaker (@TEDx, @GoogleTalks, & @PragerU). Author of LOSING THE NOBEL PRIZE amzn.to/2sa5UpA (@wwnorton)
San Diego, CA
7 yrs, 9 mos on Twitter
7,296 29.5%
176.profile imageKatey Alatalo

Ph.D. astronomer at STScI, currently housed at Carnegie. Space is amazing! My views are my own.
Pasadena, CA
10 yrs, 1 mo on Twitter
3,596 29.5%
177.profile imageJames Bullock

Professor and Chair, Department of Physics & Astronomy, UC Irvine. Cosmologist, Anteater, and Buckeye.
California, USA
8 yrs, 11 mos on Twitter
3,141 29.5%
178.profile imageSamantha 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.
7 yrs, 0 mos on Twitter
984,872 29.2%
179.profile imageJonathan Amos

BBC Science Correspondent
Cambridge, UK
8 yrs, 6 mos on Twitter
41,258 29.2%
180.profile imageJennifer Ouellette

Jen-Luc Piquant is the faux-French avatar of science writer Jennifer Ouellette. Past Gizmodo science editor. Ex-evangelical. Married to @seanmcarroll.
Los Angeles, CA
8 yrs, 3 mos on Twitter
34,552 29.2%
181.profile imageSPACE.com

News coverage and conversation about space science, astronomy and exploration. Part of @Purch
10 yrs, 0 mos on Twitter
749,907 28.9%
182.profile imageTrueSciPhi

A window on science, mathematics, and philosophy communities on Twitter and YouTube, by Kelly Truelove. See site for more.
Austin, Texas
3 yrs, 1 mo on Twitter
4,737 28.9%
183.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
9 yrs, 4 mos on Twitter
3,520 28.9%
184.profile imageSpirit and Oppy

Roving the Red Planet on six wheels since Jan 2004. The official mission Twitter of the Spirit and Opportunity rovers.
Mars: Gusev Crater & Meridiani
10 yrs, 0 mos on Twitter
427,382 28.7%
185.profile imagePHD Comics

Life (or the lack thereof) in Academia. Check out our 20th Anniversary Kickstarter
9 yrs, 11 mos on Twitter
203,145 28.7%
186.profile imageJeff Foust

Senior writer, @SpaceNews_Inc. You know the drill: retweets aren't endorsements; opinions here are my own.
Rockville, Maryland, USA
11 yrs, 1 mo on Twitter
32,041 28.7%
187.profile imageDaniel Fischer

All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)
Königswinter, Germany
9 yrs, 9 mos on Twitter
12,629 28.7%
188.profile imageJoss Bland-Hawthorn

All things novel, astrophysical, mathematical, technological.
The Origin of the Galaxy and Loca...
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Sydney, Australia
4 yrs, 1 mo on Twitter
1,735 28.7%
189.profile imageErik Tollerud

Astrophysicist, Python coder, and general lover of nature in all its forms. Opinions are my own.
Baltimore, MD
9 yrs, 1 mo on Twitter
1,324 28.7%
190.profile imageJim Al-Khalili

Theoretical physicist, author, broadcaster, humanist, Jedi Master-- The Universe doesn't have a purpose, free will is an illusion, quantum physics is beautiful.
University of Surrey
8 yrs, 6 mos on Twitter
116,820 28.4%
191.profile imageMarek Kukula

Space stuff
The Scientific Secrets of Doctor ...
7 yrs, 11 mos on Twitter
5,112 28.4%
192.profile imageJonathan Fortney

@ucsc Professor & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Softballer, Runner, Human Selfie Stick, Minnesotan
Santa Cruz, CA
6 yrs, 5 mos on Twitter
2,014 28.4%
193.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 until last tweet (2017-Jan-20)
14,923,692 28.1%
194.profile imageNational Science Foundation

Where Discoveries Begin. Social media policy: bit.ly/smpnsf
Alexandria, VA
9 yrs, 10 mos on Twitter
1,074,312 28.1%
195.profile imageDNLee

#NewProf, Mammalogist, Diversity & Access to STEM, Unapologetically Intersectional, Mama Panyabuku, TED Fellow, NatGeo Emerging Explorer, #DispatchesDNLee
Midwest, US; Tanzania, Africa
7 yrs, 11 mos on Twitter
27,723 28.1%
196.profile imageLSST Astronomy

The widest, fastest, deepest eye of the new digital age.
Cerro Pachon, Chile
9 yrs, 11 mos on Twitter
4,213 28.1%
197.profile imageJo Dunkley

Professor of Physics and Astrophysics at Princeton
Our Universe
Princeton, NJ
6 yrs, 9 mos on Twitter
2,016 28.1%
198.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
6 yrs, 7 mos on Twitter
1,780 28.1%
199.profile imageInstitute of Physics

The Institute of Physics is a leading scientific membership society working to advance physics for the benefit of all.
9 yrs, 2 mos on Twitter
163,797 27.8%
200.profile imageStuart Clark

Astronomer, journalist, author. The Sky's Dark Labyrinth. Writes Across the Universe for The Guardian. Co-hosts The Stuniverse podcast. Dyed-in-the-wool progger
The Unknown Universe
Is There Life On Mars?
Little Moon
9 yrs, 2 mos on Twitter
35,677 27.8%
201.profile imageMatt Taylor

I work at ESA on the Rosetta mission. 501st Dutch Garrison TK67676 EIB
5 yrs, 9 mos on Twitter
34,403 27.8%
202.profile imageAlan Boyle

Aerospace and science editor @GeekWire. Longtime blogger @CosmicLog. Author of "The Case for Pluto." Links/RTs ≠ endorsements
10 yrs, 4 mos on Twitter
32,982 27.8%
203.profile imageUpulie Divisekera

Molecular Biologist, Nanotechnologist| Space | Astropalaeontology | Co-founder, @realscientists | Dinosaur Evangelist |
Naarm, Australia
7 yrs, 10 mos on Twitter
32,418 27.8%
204.profile imageJames Tuttle Keane

JCPA Postdoc at Caltech. Studying planetary gravity, rotation, and tides. Occasional artist. Owner of Cheesecake and Poppy, the dogs.
Pasadena, CA
4 yrs, 3 mos on Twitter
4,450 27.8%
205.profile imageAndy Rivkin

Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador ⊗
10 yrs, 1 mo on Twitter
3,963 27.8%
206.profile imageElizabeth Tasker

UK astrophysicist working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory', published by @sigmascience (views are my own~)
The Planet Factory
6 yrs, 8 mos on Twitter
2,443 27.8%
207.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
Auld Reekie
8 yrs, 3 mos on Twitter
2,029 27.8%
208.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
3 yrs, 11 mos on Twitter
74,223 27.5%
209.profile imagegalaxyzoo

It's Galaxy Zoo!
9 yrs, 6 mos on Twitter
13,488 27.5%
210.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.
7 yrs, 8 mos on Twitter
4,790 27.5%
211.profile imageDr Jen Gupta

Space nerd. @UoPCosmology astronomy outreach. @SeldomSirius podcaster. @TWBBC Live presenter. @WinSciFest. Active Galaxies were my 1st love. Own views [she/her]
Winchester, UK
8 yrs, 11 mos on Twitter
4,097 27.5%
212.profile imageAAS Executive Office

The mission of the American Astronomical Society (AAS) is to enhance & share humanity's scientific understanding of the universe.
Washington, DC, USA
7 yrs, 8 mos on Twitter
2,709 27.5%
213.profile imageBenjamin Pope

Astronomer - he/him
Manhattan, NY
5 yrs, 6 mos on Twitter
2,454 27.5%
214.profile imageJohn Grunsfeld

Former lead for Science at NASA (Associate Administrator) Astronaut STS-67,81,103,109,125 Hubble Hugger, Space and Earth explorer
6 yrs, 5 mos on Twitter
32,389 27.2%
215.profile imageKaren James

rogue scientist*, outdoorswoman, feminist • genetics, evolution, molecular ecology, botany, space, #citizenscience *formerly @mdibl & @nhm_london
Bar Harbor, ME
9 yrs, 8 mos on Twitter
28,320 27.2%
216.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
7 yrs, 9 mos on Twitter
6,863 27.2%
217.profile imageEmily Baldwin

Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
9 yrs, 4 mos on Twitter
4,898 27.2%
218.profile imageAndrew Pontzen

I do cosmology. Employed by UCL, funded by the Royal Society. Tweeting in a personal capacity: it’s no-one else’s fault when I talk nonsense.
7 yrs, 11 mos on Twitter
3,110 27.2%
219.profile imageSAO/NASA ADS

7 yrs, 6 mos on Twitter
2,140 27.2%
220.profile imageAdrian Price-Whelan

astrophysics postdoc @ Princeton, galaxy dynamics, binary stars, music github.com/adrn
7 yrs, 1 mo on Twitter
1,607 27.2%
221.profile imageAstronomy Meetings

Sharing astronomy meeting twitter links. Send me your conference title, #tag and url, **when the meeting starts**, and I'll RT to distribute. @AstroRJS
4 yrs, 2 mos on Twitter
1,219 27.2%
222.profile imageHillary Clinton

2016 Democratic Nominee, SecState, Senator, hair icon. Mom, Wife, Grandma x2, lawyer, advocate, fan of walks in the woods & standing up for our democracy.
New York, NY
5 yrs, 3 mos on Twitter
23,113,407 26.9%
223.profile imageAmy Mainzer

Jet Propulsion Laboratory
5 yrs, 5 mos on Twitter
26,200 26.9%
224.profile imageArfon Smith

Head of Data Science @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of The Journal of Open Source Software.
Baltimore, MD
11 yrs, 6 mos on Twitter
4,004 26.9%
225.profile imageAstropy

This is the official twitter account for the Astropy project.
6 yrs, 11 mos on Twitter
2,487 26.9%
226.profile imageStephen Serjeant

Astronomy Prof at the Open University, sometimes roped into OU/BBC stuff. 26.2mi=42.2km.Remainer. Likes often=bookmarks. Views here do not necessarily blah blah
An Introduction to Galaxies and C...
Observational Cosmology
9 yrs, 3 mos on Twitter
2,180 26.9%
227.profile imageDr Jonathan Pritchard

Imperial astrophysicist and bewildered vagabond. Reader. SKA enthusiast. @ERC_research funded (opinions mine, not employer's)
Richmond, London
7 yrs, 6 mos on Twitter
1,596 26.9%
228.profile imageGuardian Science

Science, health and environment news from the @Guardian. Plus, independent comment and analysis from our network of expert science bloggers
9 yrs, 4 mos on Twitter
1,066,450 26.6%
229.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
9 yrs, 3 mos on Twitter
189,526 26.6%
230.profile imageHistory of Astronomy

Multidisciplinary & multicultural history of astronomy #histastro by @VoulaSaridakis, Ph.D. | Curator, Museum of Science and Industry, Chicago @msichicago.
All tweets/views/opinions mine
3 yrs, 4 mos on Twitter
19,531 26.6%
231.profile imageNRAO

The National Radio Astronomy Observatory is a facility of the National Science Foundation. Social media policy: bit.ly/2qNhpB3
Charlottesville, VA
9 yrs, 9 mos on Twitter
15,408 26.6%
232.profile imageShannon Stirone

Freelance writer. Art Historian. I like planets. Bylines @PopSci @DiscoverMag @Wired @TheAtlantic @NewRepublic, & others. Opinions are mine. 📡
3 yrs, 11 mos on Twitter
9,979 26.6%
233.profile image★ Colin Stuart ★

Astronomy author & speaker. Get a free e-book @ bit.ly/2zjaIee. See www for signed books, keynotes & school talks. Asteroid (15347) Colinstuart
How to Live in Space
Fabulous Figures and Cool Calcula...
Astonishing Atoms and Matter Mayh...
9 yrs, 7 mos on Twitter
5,860 26.6%
234.profile imageRobert Massey

Dad, diminutive, Deputy Executive Director @royalastrosoc, trustee @lightyear_fdn. RTs and likes not endorsements, views expressed my own. Instagram @massey2949
Bristol (Southville) & London
8 yrs, 11 mos on Twitter
2,704 26.6%
235.profile imageJohn O'Meara

Father, Astronomer, teacher, science policy nerd, VT craft beer fan. Cosmic Origins Science Lead for #LUVOIR Member AAAC, Vice Chair COPAG EC. Tweets are my own
Essex Junction, Vermont
8 yrs, 10 mos on Twitter
1,136 26.6%
236.profile imageHubbleTelescope

News from the Hubble Space Telescope operated by @stsci
10 yrs, 0 mos on Twitter
127,884 26.4%
237.profile imageSquareKilometreArray

The SKA will be the world's largest radio telescope, located in Africa & Australia. Tweets from the SKA Global Headquarters @jodrellbank.
Jodrell Bank (UK)
7 yrs, 9 mos on Twitter
18,958 26.4%
238.profile imageMeg Rosenburg

planetary science PhD | #scicomm & #histSTM | freelancer, filmmaker, podcaster | megrosenburg.com | And what you do, do it unfeignedly.
Somerville, MA
5 yrs, 7 mos on Twitter
5,125 26.4%
239.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
9 yrs, 4 mos on Twitter
4,402 26.4%
240.profile imageRadio Astrology

Opening new windows in the prediction spectrum. Astrology at long wavelengths.
In the stars (and the ISM)
6 yrs, 8 mos on Twitter
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241.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.
7 yrs, 2 mos on Twitter
1,931 26.4%
242.profile imageEric Mamajek

astronomer, dad, reader of stellar tea leaves, searcher of extrasolar needles in haystacks. My tweets are my own.
Pasadena, CA
7 yrs, 5 mos on Twitter
1,823 26.4%
243.profile imageCaitlin Casey

Astronomer and Assistant Professor at the University of Texas at Austin.
Austin, TX
4 yrs, 5 mos on Twitter
1,267 26.4%
244.profile imageNASA Voyager

The official account for NASA’s twin Voyager 1 & 2 spacecraft, the longest operating spacecraft in deep space. 🛰 Mission team headquartered at @NASAJPL
Interstellar space
7 yrs, 10 mos on Twitter
498,055 26.1%
245.profile imageAmy Shira Teitel

SPACEFLIGHT HISTORIAN. Book: bit.ly/astbtcog. Vintage Space: bit.ly/vintagespace. Patreon: patreon.com/amyshirateitel PAO = my PAO.
Los Angeles, CA
7 yrs, 7 mos on Twitter
244,564 26.1%
246.profile imageLisa Randall

Physicist and author. Dark Matter and the Dinosaurs,Warped Passages,Knocking on Heaven's Door,Higgs Discovery. Opinions expressed are not solely my own.
7 yrs, 6 mos on Twitter
56,542 26.1%
247.profile imageKristin Block

Spacecraft pro, taiko player, bassist, percussionist. Miami-Tucson-Bay Area. (Not affiliated with the mission @Maven2Mars!) Opinions my own and queer.
San Jose, CA
9 yrs, 1 mo on Twitter
3,315 26.1%
248.profile imageMatthew Kenworthy

Associate Professor of Astronomy at Leiden Observatory - looking for exoplanets and giant rings, and develops instrumentation to find them. Opinions are my own.
Leiden, The Netherlands
7 yrs, 9 mos on Twitter
1,330 26.1%
249.profile imageDianna Cowern

Assume a spherical cowern in a vacuum... kauai-grown, #MIT physics, YouTube videos. Pls respond to tweets w bad puns.
San Diego
6 yrs, 3 mos on Twitter
81,556 25.8%
250.profile imageDr Tabetha Boyajian

Assistant professor of Astrophysics at #LSU. disrupter of astrophysics; #BoyajiansStar #TabbysStar; all posts here are my own
Extrasolar Planets and Their Host...
Baton Rouge, LA
8 yrs, 11 mos on Twitter
9,494 25.8%
251.profile imageKim Kowal Arcand

Visualization lead for @chandraxray; Latest science book: “Magnitude: The Scale of the Universe." Opinions=my own 🛰️https://t.co/jHO1Tw8JYW
10 yrs, 4 mos on Twitter
7,943 25.8%
252.profile imageMark McCaughrean

Senior Advisor for Science & Exploration at the European Space Agency. Well aware of the (in)significance of being recycled starstuff. Opinions very much own.
The Origins of Stars and Planets
The Origins of Stars and Planets
Wassenaar, The Netherlands
2 yrs, 11 mos on Twitter
4,650 25.8%
253.profile imageIntl. 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
5 yrs, 1 mo on Twitter
2,208,285 25.5%
254.profile imageDr. Brian May

Rocket Ship Builder 🚀🚀🚀🚀🚀
5 yrs, 9 mos on Twitter
755,545 25.5%
255.profile imagePriyamvada Natarajan

@Yale astrophysicist, works on exotica in the universe: dark matter, black holes; Author: Mapping the Heavens • https://t.co/DuzePWpq2N
Mapping the Heavens
The Shapes Of Galaxies and their ...
New Haven, CT
2 yrs, 4 mos on Twitter
8,625 25.5%
256.profile imageCarnegie Astronomy

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
3 yrs, 5 mos on Twitter
5,174 25.5%
257.profile imageNASA Kennedy / KSC

Official Tweets from NASA's Kennedy Space Center
Florida, USA
9 yrs, 9 mos on Twitter
1,407,032 25.2%
258.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
10 yrs, 1 mo on Twitter
47,386 25.2%
259.profile imageAriel Waldman

NASA advisor + author of amzn.to/1MFUEVC + founder of Spacehack.org + global director @ScienceHackDay + youtuber youtube.com/arielwaldman
San Francisco
11 yrs, 4 mos on Twitter
31,827 25.2%
260.profile imageChris North

Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster. Comments own. [he/his]
The Sky at Night
How to Read the Solar System
Cardiff (normally)
8 yrs, 9 mos on Twitter
5,321 25.2%
261.profile imageJC Holbrook

Astrophysicist, Filmmaker, Cultural Astronomer. Hubble's Diverse Universe on Amazon.com BlackSunMovie.com videos.astroanthro.com/Science-Tourist
Kaapstad, ZA
8 yrs, 11 mos on Twitter
2,397 25.2%
262.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
8 yrs, 9 mos on Twitter
200,570 24.9%
263.profile imageEllen Stofan

John and Adrienne Mars Director of National Air and Space Museum, Planetary geologist, STEM advocate, former Chief Scientist of NASA. My tweets are my own.
Exploring Venus as a Terrestrial ...
Washington, DC
6 yrs, 5 mos on Twitter
10,420 24.9%
264.profile imageWill Gater

Astronomer, journalist & space geek willgater.com | willgaterastrophotography.com | instagram.com/willgater
10 yrs, 1 mo on Twitter
7,747 24.9%
265.profile imageKimberly EnnicoSmith

Scientist fueled by tea. Inspired by many. Passionate about space exploration, human & robotic. What wonders await us?
Mountain View, CA
10 yrs, 4 mos on Twitter
3,762 24.9%
266.profile imagePaul Crowther

@unisheffield Astrophysics Prof mostly researching Monster Stars. Keen interest in UK sci policy esp @STFC_Matters's ups & downs. @PhysicsShef HoD from Jan 2018
Peoples Republic of Sheffield
8 yrs, 7 mos on Twitter
2,735 24.9%
267.profile imageDerek Fox

Research astronomer and faculty member at Penn State University. This is a personal Twitter account.
9 yrs, 4 mos on Twitter
2,257 24.9%
268.profile imageLiz B ☆

Multiwavelength X-ray/Optical Astronomer at @ESO. Bleeding heart liberal & intersectional feminist. All views my own. Ⓥ #ActualLivingScientist #ImmodestWoman
Santiago, Chile
6 yrs, 4 mos on Twitter
1,294 24.9%
269.profile imageDr. Rachael Beaton

migrant astronomer currently at Princeton; 'i have loved the stars too fondly to be fearful of the night' - sarah williams
princeton, nj
8 yrs, 4 mos on Twitter
1,058 24.6%
270.profile imageNational Geographic

Since its inception nearly 130 years ago, the core purpose of National Geographic has been to further the knowledge and awareness of our world.
9 yrs, 7 mos on Twitter
22,399,614 24.4%
271.profile imageStephen Fry

How can I tell you what I think until I’ve heard what I’ve said? 🏳️‍🌈 (Never Read DMs I’m afraid)
Los Angeles, CA/ London UK
10 yrs, 0 mos on Twitter
12,759,076 24.4%
272.profile imageMike Massimino

Former @NASA astronaut, Professor at Columbia @CUSEAS, Sr. Advisor for Space Programs @IntrepidMuseum, Author of #Spaceman
New York, NY
9 yrs, 3 mos on Twitter
1,220,061 24.4%
273.profile imageBrian Greene

Physicist, Author, Co-founder @WorldSciFest
New York, NY
6 yrs, 1 mo on Twitter
1,121,222 24.4%
274.profile imageNASA_TESS

This is the official @NASA Twitter for the Transiting Exoplanet Survey Satellite (TESS). @NASA_TESS will perform an all-sky survey to discover new exoplanets
Goddard Space Flight Center
4 yrs, 10 mos on Twitter
35,810 24.4%
275.profile imageThomas Zurbuchen

Associate Administrator, @NASA Science Mission Directorate
Washington, DC
7 yrs, 4 mos on Twitter
15,236 24.4%
276.profile imageGiant Magellan

The first “Extremely Large Telescope” seeking to unlock the mysteries of the universe.
Las Campanas, Chile
7 yrs, 1 mo on Twitter
4,502 24.4%
277.profile imageCaleb Scharf

Director of Astrobiology at Columbia University. Blog at Sci Am (#sciamblogs). Author of The Zoomable Universe, The Copernicus Complex, Gravity's Engines...
The Zoomable Universe
The Copernicus Complex
Gravity's Engines
New York
7 yrs, 8 mos on Twitter
4,138 24.4%
278.profile imageEli Bressert

Love big ideas and putting them into action by connecting the impossible. Heading data science at Convoy. SU mentor & author of the SciPy & Numpy book.
SciPy and NumPy
Seattle, WA
9 yrs, 8 mos on Twitter
2,532 24.4%
279.profile imageAstronomy On Tap

🌟Professional astronomers reveal how they explore the Universe, at bars & pubs around the world!🌟This accnt follows satellite locations, organizers, & venues.
5 yrs, 5 mos on Twitter
2,528 24.4%
280.profile imageMark Marley

Astronomer working for a well known national space agency. Interests include extrasolar planets, brown dwarfs, giant planets. Opinions are mine alone.
Brown Dwarf Variability
Mountain View, California
7 yrs, 11 mos on Twitter
1,838 24.4%
281.profile imageJeyhan

Assistant Professor at RIT interested in infrared galaxies, interacting/merging galaxies, and AGN. Also interested in public outreach and science communication.
Rochester, NY
10 yrs, 5 mos on Twitter
1,025 24.1%
282.profile imageNate Silver

Editor-in-Chief, @FiveThirtyEight. Author, The Signal and the Noise (amzn.to/QdyFYV). Sports/politics/food geek.
New York
9 yrs, 10 mos on Twitter
3,128,536 23.8%
283.profile imageACLU

The ACLU is a nonprofit, nonpartisan, legal and advocacy 501(c)(4) organization. Visit our site for more about us and our affiliated org, the ACLU Foundation.
All 50 states
10 yrs, 5 mos on Twitter
1,492,363 23.8%
284.profile imageNASA History Office

This is the NASA History Office's official Twitter account. We're happy that you share our passion for aerospace history.
Washington, DC
8 yrs, 1 mo on Twitter
846,929 23.8%
285.profile imageMiriam Kramer

@Mashable science editor. Always a space reporter. It's not aliens. It's never aliens. [email protected] DMs open and a mess.
Now: NYC. Before: Tennessee.
8 yrs, 2 mos on Twitter
15,863 23.8%
286.profile imageDr. Caryl Gronwall

Astronomer at Penn State University
State College, PA
7 yrs, 4 mos on Twitter
1,153 23.8%
287.profile imageJohn Debes

STIS Team Lead at @stsci. Part of @diskdetective and @NASAWFIRST CGI science team. Exoplanets, white dwarf planets, and disks. My opinions are my own.
Geektown, USA
5 yrs, 8 mos on Twitter
922 23.8%
288.profile imageBBC Science News

News, features and analysis from the BBC Science & Environment news desk.
London, England
11 yrs, 6 mos on Twitter
1,361,883 23.5%
289.profile imageChandra Observatory

Chandra's ongoing mission is to study the X-ray Universe. Operated for NASA by Smithsonian Astrophysical Observatory. Legal: s.si.edu/legal
In orbit
10 yrs, 5 mos on Twitter
161,289 23.5%
290.profile imageNASA's OSIRIS-REx

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
Near-Earth space en route to asteroid Bennu
10 yrs, 1 mo on Twitter
52,408 23.5%
291.profile imageChristine Corbett M.

Cyber Defense Research & Europa Clipper Engineering @NASAJPL, Astrophysics @Caltech. Past: @SpaceX, @MIT, @SignalApp, @SPTelescope. Science @astro_corbett
Pasadena, CA
8 yrs, 2 mos on Twitter
12,513 23.5%
292.profile imageKeri Bean

NASA Rey. Mars rover driver in training for @MarsRovers. Science ops for NASA's TIE Fighter @NASA_Dawn. R2-D2's mom. @SunriderBase @RebelLegion Rey. Hufflepuff
Pasadena, CA
7 yrs, 2 mos on Twitter
8,181 23.5%
293.profile imageLisa Grossman

Astronomy reporter at Science News, lifelong astronomy nerd. Ideas my own. She/her/hers
Cambridge, MA
9 yrs, 4 mos on Twitter
6,776 23.5%
294.profile imageNola Taylor Redd

Freelance #science writer with a focus in #space and #astronomy.
Atlanta, GA
3 yrs, 1 mo on Twitter
1,968 23.5%
295.profile imageNASA Spitzer

NASA's Spitzer Space Telescope - the infrared Great Observatory. Observes asteroids, comets, extrasolar planets, stars, galaxies and more...
Pasadena, CA.
8 yrs, 3 mos on Twitter
104,609 23.2%
296.profile imageSpace Telescope Live

What is @HubbleTelescope looking at? –Reference images from @STScI Digitized Sky Survey and Sloan Digital Sky Survey Data Release 13 (not actual Hubble images)
Low Earth Orbit
1 yr, 10 mos on Twitter
8,442 23.2%
297.profile imageHenna

Founder at Universe Simplified (@UnivSimplified), Proponent of Disrupt Education and Maker Spaces, Astronomy Enthusiast, Backpacker
9 yrs, 0 mos on Twitter
7,221 23.2%
298.profile imageVanessa Moss

Adventures of the Cosmic Pudding & sidekick Vanessa: astronomy research, outreach, observing... I run @arXiver & @AstroJobVis. More interesting than a giraffe.
Dwingeloo, Nederland
5 yrs, 2 mos on Twitter
2,160 23.2%
299.profile imageEdward Gomez 🤖

Astronomer, coder, and web technology enthusiast. Believe everyone can be a scientist if they ask more questions.
Cardiff, UK
10 yrs, 1 mo on Twitter
2,032 23.2%
300.profile imageRay Jayawardhana

Astronomer, Explorer, Writer, Speaker. Author of "Strange New Worlds" and "Neutrino Hunters"
Neutrino Hunters
Strange New Worlds
Young Stars Near Earth
7 yrs, 4 mos on Twitter
1,720 23.2%