Astronomers' Favorite Twitter Feeds

Updated: 2019-Nov-13 22:32 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 cosmic catastrophes
Raleigh, NC
10 yrs, 6 mos on Twitter
333,553 72.5%
2.profile imageNASA

Explore the universe and discover our home planet with @NASA. We usually post in EST (UTC-4)
11 yrs, 10 mos on Twitter
33,999,884 66.3%
3.profile imageEmily Lakdawalla

Senior Editor & Planetary Evangelist, The Planetary Society. Planetary scientist. Asteroid 274860. Views are my own & not those of employer. 🏳️‍🌈 she/her
Pasadena, CA
11 yrs, 5 mos on Twitter
163,562 64.1%
4.profile imagePhil Plait

SCIENCE! I love this stuff. My Bad Astronomy blog: syfy.com/badastronomy I use likes for bookmarks; no endorsement implied. He/him.
12 yrs, 7 mos on Twitter
615,660 63.2%
5.profile imagechrislintott

Astronomer, zookeeper and journalist, based at University of Oxford.
11 yrs, 1 mo on Twitter
30,587 56.0%
6.profile imageAstrotweeps: Jonathan

Jonathan Fortney • @jjfplanet • https://t.co/xi86iPD73r • A new astronomer/planetary scientist tweeting about space each week.
The Universe
5 yrs, 10 mos on Twitter
10,499 54.2%
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. 🇧🇪🇬🇧
12 yrs, 1 mo on Twitter
9,178 53.3%
8.profile imageLucianne Walkowicz

Astronomer @AdlerPlanet, co-founder @JustSpaceOrg, multimedia artist. Ethics of Mars exploration, exoplanets, social justice. Opinions mine. Pronouns: they/she
Chicago, IL
8 yrs, 8 mos on Twitter
16,407 52.9%
9.profile imageDr./Prof. Sarah Hörst

Asst Prof of Planetary Sci @JohnsHopkins and Titan evangelist. “I try not to hope and fail utterly” [email protected] she/her https://t.co/KTdjav31lU
Baltimore, MD, USA
10 yrs, 7 mos on Twitter
56,098 52.7%
10.profile imageSarah Tuttle

Astrophysicist. We're not going to be shady, just fierce. Professor. Vitals read normal but face reads murderous. 100% problematic. She/her.
Here, I guess.
11 yrs, 9 mos on Twitter
15,265 52.7%
11.profile imageBarack Obama

Dad, husband, President, citizen.
Washington, DC
12 yrs, 8 mos on Twitter
110,198,962 51.8%
12.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
11 yrs, 3 mos on Twitter
4,059,729 51.6%
13.profile imageAstroBetter

Blog and Wiki for professional astronomers.
10 yrs, 6 mos on Twitter
5,496 51.6%
14.profile imageDavid W Hogg

astronomy, cosmology, stars, exoplanets, inference, engineering, data analysis, emcee, The Cannon, Astrometry.net, The Tractor, #openscience, #otherpeoplesdata
New York City
8 yrs, 7 mos on Twitter
7,363 51.1%
15.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…
12 yrs, 2 mos on Twitter
1,295,132 50.9%
16.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
8 yrs, 10 mos on Twitter
9,877 50.7%
17.profile imageBryan Gaensler 📡🧲

Astronomer, Director of @DunlapInstitute at @UofT, @LRP2020 co-chair. Sci-fi connoisseur, rugby devotee, displaced Antipodean, perplexed parent. Opinions ∉ UofT
Toronto, Canada he/him
10 yrs, 3 mos on Twitter
10,465 50.4%
18.profile imageJulianne Dalcanton

Astrophysicist at the University of Washington. Principal Investigator of the Panchromatic Hubble Andromeda Treasury (PHAT).
7 yrs, 10 mos on Twitter
7,699 50.4%
19.profile imageNeil deGrasse Tyson

New York City
10 yrs, 9 mos on Twitter
13,534,259 50.2%
20.profile imageDr. Jessie Christiansen

NASA Research Scientist | #exoplaneteer | #WomenInStem advocate | Science curator at @NASAExoArchive | She/her | Married to @PFHopkins_Astro | Mum of twins
Caltech, Pasadena, CA, USA
5 yrs, 10 mos on Twitter
16,162 50.0%
21.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
10 yrs, 9 mos on Twitter
30,363 49.1%
22.profile imageESA

European Space Agency, keeping you posted on European space activities.
10 yrs, 8 mos on Twitter
1,019,273 48.4%
23.profile imageProf. Karen Masters 💫⭐️✨

Professor of astrophysics @haverfordedu. Investigating galaxies with @GalaxyZoo @SDSSurveys. Touch a galaxy @TactileUniverse. British. She/her.
Philadelphia, PA
10 yrs, 8 mos on Twitter
8,843 48.0%
24.profile imageSpaceX

SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft
Hawthorne, CA
10 yrs, 6 mos on Twitter
9,216,838 47.3%
25.profile imageSean Carroll

Physicist, @Caltech & @SFIscience. Author, Something Deeply Hidden & more. Host, #MindscapePodcast. Married to @JenLucPiquant. In favor of truth and kindness.
Los Angeles
10 yrs, 8 mos on Twitter
244,526 46.4%
26.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
7 yrs, 1 mo on Twitter
8,011 46.4%
27.profile imageBrian Cox

Professor of Particle Physics at The University of Manchester and The Royal Society Professor for Public Engagement in Science.
The Earth, with everyone else
10 yrs, 11 mos on Twitter
2,947,170 46.0%
28.profile imageFraser Cain

Publisher of universetoday.com, co-host of astronomycast.com. Named after Asteroid 158092.
Courtenay, British Columbia
12 yrs, 7 mos on Twitter
41,170 46.0%
29.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
10 yrs, 9 mos on Twitter
5,359 45.8%
30.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.
10 yrs, 9 mos on Twitter
2,902,553 45.5%
31.profile imageM. Womack

Astrophysicist working with @FSI_Orlando
Washington, DC
10 yrs, 3 mos on Twitter
4,542 45.5%
32.profile imageDr./Prof. Renée Hložek

South African cisgender, bisexual woman Assist. Astrophysics Prof., Rhodes scholar (and lover of loud karaoke), Senior TED Fellow. Feminist scientist. She/her
Toronto, Ontario
10 yrs, 3 mos on Twitter
6,271 45.3%
33.profile imageAlex Parker

Planetary astronomer and artist exploring the origin and history of our solar system. Director of @ESPRESSO_SSERVI, keeper of @RoboHiveTweets.
Boulder, Colorado
10 yrs, 10 mos on Twitter
30,877 44.4%
34.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
11 yrs, 7 mos on Twitter
9,618 44.2%
35.profile imageProf. Emily Rice, Ph.D.

Astronomer at @macaulayhonors, @GC_CUNY, @AMNH, #BDNYC, #CUNYAstro; @AstronomyOnTap HQ; 1/2 of @startorialist; @knitted_bd host ⭐️. Not @djcarlysagan 😜 She/her
Occupied Lunaape Land (NYC)
12 yrs, 2 mos on Twitter
5,973 44.2%
36.profile imageMeg Urry

Yale physics prof, likes supermassive black holes, teaching, writing, increasing participation in STEM, my family
Yale University
8 yrs, 0 mos on Twitter
4,688 44.0%
37.profile imageESO

The European Southern Observatory is the most productive observatory in the world. We design, build & operate some of the most advanced telescopes in the world.
Garching, Germany
11 yrs, 3 mos on Twitter
93,124 43.8%
38.profile imageMike Brown

Astronomer, planet hunter, Pluto killer, bear whisperer, Finger-wrapped dad. Dangerous secularist.
Pasadena, CA
10 yrs, 7 mos on Twitter
64,223 43.8%
39.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
9 yrs, 11 mos on Twitter
24,929 43.5%
40.profile imageMC Stardust ✨

I seem really confident and I talk about space. #lookup #TeamRadio #defectiveheartgirlsolutions 1/2 of @startorialist, opinions=mine (she/her)
Moon/New York City
9 yrs, 7 mos on Twitter
13,216 43.1%
41.profile imageAlyssa A. Goodman

Astronomy Professor at Harvard, CoDirector of Science at Radcliffe Institute. Loves data, visualization, Universe, education, people. Not in that order.
10 yrs, 9 mos on Twitter
3,924 42.9%
42.profile imageMichele Bannister

Planetary astronomer, poet, hunter of new & strange worlds. Connoisseur of fuzzy dots of light. Asteroid (10463). @AstroQUB; faculty @UCNZ from 2020. she/her
living the life non-sidereal
10 yrs, 8 mos on Twitter
9,134 42.6%
43.profile imageDr JJ Eldridge

NZ theoretical astrophysicist studying exploding binary stars. Lecturer, Speaker, Sci-fi addict, feminist, enby trans woman. Pronouns: she/her/they.
Auckland, New Zealand
6 yrs, 6 mos on Twitter
7,508 42.4%
44.profile imageBrooke Simmons

Distracted astrophysicist researching galaxies & black holes & other interesting things. Also planetaryresponsenetwork.org lead. (She/her)
United Kingdom
11 yrs, 2 mos on Twitter
8,698 42.0%
45.profile imageProf. Abel Méndez

Planetary Astrobiologist and Director of the @PlanetaryHabLab. Looking at habitable worlds from the Arecibo Observatory. #exoplanets #astrobiology #habitability
Arecibo, Puerto Rico
10 yrs, 0 mos on Twitter
15,087 41.7%
46.profile imageElon Musk

10 yrs, 5 mos on Twitter
29,313,865 41.3%
47.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
10 yrs, 7 mos on Twitter
412,010 41.3%
48.profile imageDr Pamela L Gay

Communicating astro & life 1 sidereal day at a time. All opinions & ideas are my own. Support on Patreon.com/starstryder & paypal.me/starstryder
Edwardsville, IL
11 yrs, 9 mos on Twitter
40,356 41.3%
49.profile imageDr Rachael Livermore

Astrophysicist | Science Communicator. She/her. Videos of my public talks at bit.ly/SciTalks
London, England
11 yrs, 4 mos on Twitter
7,620 41.3%
50.profile imageNASA Exoplanets

We're the NASA team looking for planets and life beyond our solar system. We represent all of NASA's missions looking for – and finding – new worlds.
10 yrs, 11 mos on Twitter
633,244 40.8%
51.profile imageAlessondra Springmann

asteroids, comets, @AreciboRadar/🇵🇷 love, cacti 🌵, geology, autoimmune disease/healthcare advocacy, puns, cat herding @ObservatoryCats. she/her
Chukson / Tucson, AZ
9 yrs, 6 mos on Twitter
8,857 40.8%
52.profile imageCatherine Q.

Astrophysicist, science communicator, over-thinker. One of @HuffPostscience Top 30 Physicists to follow. @AucklandUni @ScienceUoA space person. Dogs rule
New Zealand
10 yrs, 8 mos on Twitter
41,550 40.4%
53.profile imageDavid Spergel

Astrophysicist at Princeton University and Flatiron Institute
Princeton NJ
5 yrs, 9 mos on Twitter
5,807 40.4%
54.profile imageBenneHolwerda

Astronomer at large (mostly harmless). University of Louisville. Opinions & typos obv my own.
Louisville, KY
11 yrs, 4 mos on Twitter
2,260 40.2%
55.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
11 yrs, 8 mos on Twitter
6,367,450 40.0%
56.profile imageDr. Tanya Harrison

🇨🇦🇺🇸🏳️‍🌈Professional Martian 🔴Former mission ops @MarsCuriosity, @MarsRovers & more. 🌍Manager of Science Programs @planetlabs 👩‍🚀Views = my own.
Washington DC + Toronto
10 yrs, 7 mos on Twitter
32,513 40.0%
57.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
5 yrs, 10 mos on Twitter
3,727 40.0%
58.profile imageSarcasticRover

Doing a science on the red planet. Not @MarsCuriosity. Portrait by @badportraits. Written by @jfiliatrault.
4th Rock From the Sun
7 yrs, 3 mos on Twitter
961,111 39.7%
59.profile imagePeter Edmonds

Work in astronomy publicity after surviving an astrophysics PhD & postdocs. Interested in #science & #scicomm. Opinions are mine & RTs aren't endorsements.
7 yrs, 10 mos on Twitter
4,162 39.7%
60.profile imageCassiniSaturn

Our spacecraft is gone, but the science continues. Join us at @NASASolarSystem for the latest.
Saturn, Solar System
11 yrs, 4 mos on Twitter
1,642,566 39.5%
61.profile imageESA Science

Science @ the European Space Agency ESA, keeping you posted on European space science activities.
Noordwijk, The Netherlands
9 yrs, 10 mos on Twitter
329,668 39.5%
62.profile imageRisa Wechsler

astrophysicist. cosmologist. maker of universes, surveyer of the skies. professor of physics @stanford, director of @kipac1. she/they. talks: bit.ly/risamovies
San Francisco
7 yrs, 2 mos on Twitter
10,210 39.5%
63.profile image🙅🏽‍♀️ Chanda Prescod-Weinstein 🙅🏽‍♀️

#BlackandSTEM Assist. Prof of #Physics/#Astro & Black Feminist #HistSTM. queer agender woman/she. 2021: #DisorderedCosmos @BoldTypeBooks! tweets by/for me only
11 yrs, 5 mos on Twitter
63,103 39.3%
64.profile imageGrant Tremblay

Astrophysicist at the Center for Astrophysics | Harvard & Smithsonian. Previously @NASA Einstein Fellow @Yale, Fellow @ESO, & SDAS regular @STScI. Views my own.
Cambridge, MA
10 yrs, 8 mos on Twitter
5,411 39.3%
65.profile imageNASA's Juno Mission

Exploring Jupiter to improve our understanding of the planet's origins and the formation of planetary systems. missionjuno.swri.edu nasa.gov/juno
10 yrs, 9 mos on Twitter
759,744 38.8%
66.profile imageSophia Gad-Nasr 🏳️‍🌈

I do cosmology and astroparticle theory. I pick apart the Universe to figure out how it works. Science advisor. Feminist. Hamsters. 🇵🇱✡🇪🇬☪️ She/her.
🐶|Los Angeles〉+ 🐹|Irvine〉
9 yrs, 6 mos on Twitter
36,880 38.6%
67.profile imageSarah Ballard

Habitable worlds, kindness, fiction, etc. At ~75 km/s*Mpc! One half of @drssarahcare
Cambridge, MA
5 yrs, 9 mos on Twitter
3,440 38.6%
68.profile imagePlanetary Society

Your role in space exploration starts here. Join CEO @BillNye and shape our future in the cosmos.
Pasadena, CA
9 yrs, 1 mo on Twitter
213,184 38.2%
69.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
11 yrs, 3 mos on Twitter
293,442 37.9%
70.profile imageProf G doing 📝 #AcWriMo

Physics professor, education researcher, astronomer, scicommer, advocate for equity in STEM. Geek, crossfitter, dog mom. She/her. 🏳️‍🌈 Tweets mine; RT≠endorse
New Hampshire, USA
11 yrs, 5 mos on Twitter
21,166 37.9%
71.profile imageChris Hadfield

Canadian Astronaut, back on Earth after 3 spaceflights. For events and media, please write to [email protected]
9 yrs, 2 mos on Twitter
2,397,057 37.7%
72.profile imageBill Nye

Science Rules! Podcast Out Now 🧪
Los Angeles, CA
10 yrs, 6 mos on Twitter
5,950,545 37.3%
73.profile imageNASA New Horizons

The New Horizons spacecraft flew past the dwarf planet Pluto and its moons in July 2015. Next up is a New Year's 2019 flyby of Kuiper Belt object Ultima Thule.
Solar System
5 yrs, 2 mos on Twitter
393,493 37.3%
74.profile imageJedidah Isler, PhD

Astrophysicist / Professor / Relentless Dreamer / Innovator / Founder & Host @VanguardSTEM / Senior @TEDFellow / @NatGeo Explorer [she]
9 yrs, 3 mos on Twitter
16,788 37.3%
75.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
4 yrs, 1 mo on Twitter
21,888 37.1%
76.profile imageProf Anna Watts

Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars (explosions, dense matter), X-ray astronomy. Mom, Migrant. Particles in stars blah blah.
5 yrs, 5 mos on Twitter
5,178 36.8%
77.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
11 yrs, 2 mos on Twitter
1,979,307 36.6%
78.profile imageDr Chiara Mingarelli

Gravitational-wave astrophysicist. Associate Research Scientist at @FlatironCCA, Assistant Prof. at @UConn. Views my own.
New York, NY
8 yrs, 8 mos on Twitter
7,134 36.4%
79.profile imageAlberto Conti

Astrophysicist & Director of New Business at Ball Aerospace - Tweets are my own, at least in this multiverse. en.wikipedia.org/wiki/Alberto_C…
Colorado, USA
11 yrs, 4 mos on Twitter
3,796 36.4%
80.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)
462,148 36.2%
81.profile imageShit Academics Say

A social experiment | @prof_nch
6 yrs, 1 mo on Twitter
322,068 36.2%
82.profile imageMeg Schwamb

Planetary scientist & astronomer at Queen’s University Belfast: KBOs, Planet Four(Mars), MBCs(Comet Hunters),LSST SSSC co-chair. Opinions tweeted are my own
Belfast, UK
9 yrs, 6 mos on Twitter
5,182 36.2%
83.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
Cambridge, MA
6 yrs, 9 mos on Twitter
2,370 35.9%
84.profile imageLIGO

Official Twitter of the LIGO Scientific Collaboration. We detect gravitational waves! YouTube: youtube.com/ligovirgo
Livingston, LA and Hanford, WA
11 yrs, 5 mos on Twitter
94,861 35.7%
85.profile imageMika McKinnon

Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. #scicomm #womeninSTEM she/her 🇨🇦🇺🇸
West Coast
10 yrs, 5 mos on Twitter
54,415 35.7%
86.profile imageNadia Drake

Contributing writer @natgeo. Former ballet dancer, slightly obsessed with planets (and MOONS), jungles and spiders. Champagneophile. PhD.
9 yrs, 1 mo on Twitter
26,564 35.3%
87.profile imageBecky Smethurst

Astrophysicist researching how supermassive black holes affect galaxies. I get overly enthusiastic about space on YouTube: youtube.com/drbecky
Oxford, England
10 yrs, 7 mos on Twitter
8,276 35.0%
88.profile imageCaitlin Casey

Astronomer at the University of Texas at Austin🤘🏼, big fan of dust/gas in the Universe, passionate urban farmer. 🐷🐔😽Views my own. she/hers
Austin, TX
5 yrs, 8 mos on Twitter
2,893 35.0%
89.profile imageSTARtorialist

Where science meets fashion and scientists get FABULOUS! Blog & pop-up shop by professional astronomers @Summer_Ash & @emilylurice. Goal for 2019: online shop!
The Universe
5 yrs, 11 mos on Twitter
4,685 34.8%
90.profile imageAlexandra Witze

Correspondent for Nature, views my own. Reach me (preferred) witzescience-at-gmaildotcom or (secure) awitze-at-protonmaildotcom. She/her/hers.
Boulder, CO
10 yrs, 8 mos on Twitter
21,607 34.6%
91.profile imageEthan Siegel

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, author, Forbes & NASA columnist.
Portland, OR
8 yrs, 7 mos on Twitter
17,573 34.6%
92.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
10 yrs, 6 mos on Twitter
687,424 34.4%
93.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
Cambridge, MA, USA
6 yrs, 4 mos on Twitter
13,268 34.4%
94.profile imageEmily Levesque 🤓✨🔭📚

Astronomy prof, author, weird star enthusiast | THE LAST STARGAZERS, my book of astronomy stories & adventures, comes out in August 2020! thelaststargazers.com
Seattle, WA
9 yrs, 8 mos on Twitter
3,961 34.4%
95.profile imageDan F-M

I write code for good & astrophysics. Associate Research Scientist at @FlatironCCA (he/him)
8 yrs, 3 mos on Twitter
3,047 34.2%
96.profile imageMatthew R "Who Owns An Asteroid?" Francis

Writer of science. Wearer of jaunty hats. Help fund my science comics collection with @ScienceComic : unbound.com/books/who-owns… . He/him.
9 yrs, 2 mos on Twitter
22,855 33.9%
97.profile imageJackie Faherty

Astrophysicist at @AMNH. Enthusiast for bringing the cosmos to the public @backyardworlds #womeninscience #BDNYC #manhattanhenge #astronomy #scicomm
10 yrs, 7 mos on Twitter
5,159 33.9%
98.profile imageJane Rigby

Astronomer @nasa studying black holes & galaxies w/ telescopes around world & in space, helping build @NASAWebb. Queer parent scientist UU activist. Views mine.
DC Metro
8 yrs, 10 mos on Twitter
5,003 33.9%
99.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
9 yrs, 0 mos on Twitter
385,381 33.7%
100.profile imageNASA Goddard

Your friendly neighborhood space flight center. 👩‍🔬🚀 Welcome to the largest community of scientists, engineers and technologists on planet Earth.
Greenbelt, MD USA
10 yrs, 9 mos on Twitter
570,814 33.5%
101.profile imageESA Gaia

Science with 1 billion objects in three dimensions
10 yrs, 8 mos on Twitter
22,224 33.5%
102.profile imageGeert Barentsen

NASA Astronomer in Silicon Valley. Leads the wonderful @KeplerGO team at @NASAAmes. Belgian (like waffles). #KeplerMission #K2Mission
Mountain View, CA
10 yrs, 5 mos on Twitter
3,546 33.5%
103.profile imageKarin Sandstrom

Astronomer. Assistant Professor at UC San Diego. Lover of coffee, interstellar dust, California, nerdy stuff.
San Diego, CA
10 yrs, 7 mos on Twitter
2,768 33.5%
104.profile imageRealScientists - Parmvir

Real science from real scientists, writers, communicators, artists & clinicians. This week's curator @pbiwan
6 yrs, 9 mos on Twitter
82,829 33.3%
105.profile imageDr Jess Wade 👩🏻‍🔬

제시카 physics postdoc @imperialcollege. @500womensci + @wikipedia + chiral materials + Raman spectroscopy enthusiast. she / her. least useful doctor in my family.
London, England
10 yrs, 8 mos on Twitter
34,896 33.3%
106.profile imageDr. Emily Petroff

Astronomer.Reader.Random number generator. Veni Fellow studying fast radio bursts 📡💥 at the University of Amsterdam in the API 🏳️‍🌈
The Netherlands
6 yrs, 4 mos on Twitter
9,594 33.3%
107.profile imageRobert McNees the Baste God

Professor, physicist, sci comm. Black holes, quantum gravity, cosmology. Rocky Top. Tar Heel. RTs are spooky action at a distance. Opinions mine alone. He/him.
Chicago, z=0
11 yrs, 4 mos on Twitter
16,202 33.0%
108.profile imageMichelle Collins

Astrophysicist working on Local Group galaxies. Soft spot for Andromeda. Keen runner. All views my own. RT != endorsement
Guildford, England
10 yrs, 5 mos on Twitter
2,323 33.0%
109.profile imageEd Yong

Science writer at The Atlantic. Author of I CONTAIN MULTITUDES, a New York Times bestseller on animal-microbe partnerships. edyong.me (he/him)
Washington, DC
10 yrs, 9 mos on Twitter
167,834 32.8%
110.profile imageCERN

#CERN, the European Organization for Nuclear Research, is the world's largest particle physics lab, home of the #LHC. French: @CERN_FR
11 yrs, 4 mos on Twitter
2,569,835 32.6%
111.profile imageRoyal Astronomical Society

We encourage & promote astronomy, solar-system science & geophysics in the UK & worldwide. Tweets by @RobertMMassey, @yelizrifat, @lucywimss & @MorganDJHollis
Burlington House, London
9 yrs, 7 mos on Twitter
30,837 32.6%
112.profile imageProf. Lisa Harvey-Smith

Astrophysicist, Australian Govt. Women in STEM Ambassador @WomenInSTEMau, Author #WhenGalaxiesCollide, #UnderTheStars, @ABCtv Stargazing Live, Ultramarathoner.
8 yrs, 0 mos on Twitter
18,804 32.6%
113.profile imageDr. Jennifer L. Hoffman ✨

Astronomer, associate professor, alto, auntie, ailurophile. She/her. University of Denver
Denver, CO
5 yrs, 10 mos on Twitter
3,122 32.6%
114.profile imageJames Davenport, PhD

Astronomer, maker of data and science things, Dad. Studying stars, looking for aliens. All opinions are my own.
Seattle, WA
7 yrs, 6 mos on Twitter
2,839 32.6%
115.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.
10 yrs, 9 mos on Twitter
1,344 32.6%
116.profile imageUniverse Today

Universe Today - universetoday.com, a website about space and astronomy. Tweets are probably coming from @fcain
Courtenay, British Columbia
10 yrs, 8 mos on Twitter
293,134 32.1%
117.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
10 yrs, 6 mos on Twitter
8,616 32.1%
118.profile imageJason Wright

Professor of Astronomy and Astrophysics at Penn State. Son, husband, father, scientist, teacher, student, human. Mostly posting astronomy. Mostly.
State College, PA, USA
7 yrs, 1 mo on Twitter
6,569 32.1%
119.profile imagePeter Coles 🇪🇺 🇮🇪 🏳️‍🌈 🇬🇧 🎷 🎶

Theoretical astrophysicist specialising in the Universe and all that surrounds it (e.g. jazz, opera, poetry & crosswords). #FBPE
Maynooth, Co Kildare, Ireland
10 yrs, 0 mos on Twitter
6,138 32.1%
120.profile imageDavid Kipping

Exoplanets & Exomoons, Cool Worlds Lab, Columbia University
Manhattan, NY
10 yrs, 8 mos on Twitter
4,974 32.1%
121.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
10 yrs, 7 mos on Twitter
2,493 32.1%
122.profile imageJohanna

Astronomer, runner, educator, feminist, vegan, #Nats fan, she/her/hers
Pasadena, CA
5 yrs, 10 mos on Twitter
2,418 32.1%
123.profile imageAlan Stern

Scientist. Space Explorer. Author. Speaker, Optimist. Pilot. Dad. Not necessarily in that order. Follow my New Horizons Twitter feed @NewHorizons2015 too!
Niwot, CO
11 yrs, 3 mos on Twitter
38,875 31.9%
124.profile imageAstro Union

Founded in 1919, the International Astronomical Union (IAU) promotes and safeguards the science of astronomy through international cooperation.
5 yrs, 5 mos on Twitter
9,033 31.9%
125.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
9 yrs, 8 mos on Twitter
1,806 31.9%
126.profile imageAlexandria Ocasio-Cortez

US Representative,NY-14 (BX & Queens). In a modern, moral, & wealthy society, no American should be too poor to live. 💯% People-Funded, no lobbyist💰. She/her.
Bronx + Queens, NYC
9 yrs, 6 mos on Twitter
5,769,923 31.7%
127.profile imageNew Scientist

The best place to find out what’s new in science – and why it matters. Tweets by @SoMe_Lilian. Subscribe here: https://t.co/39g6XuLDoZ
10 yrs, 9 mos on Twitter
3,556,743 31.7%
128.profile imageAmber Straughn

Arkansas native & @NASA astrophysicist for #JWST. Climate change is real. Pilot, yogini, Great Dane mom, @PearlJam fan, Razorback 🏈 fan, #FirstGen Tweets mine
8 yrs, 6 mos on Twitter
14,051 31.5%
129.profile imageMeredith Rawls

Stellar astronomer and data management for @LSST. Also: mom, scicommer, violist, Episcopalian. Keep looking up. (She/her)
Seattle, WA
9 yrs, 8 mos on Twitter
5,299 31.5%
130.profile imageDr Jane MacArthur

Planetary scientist studying @UKAntarcticMets, martian meteorites and comet Stardust. Fellow & elected Councillor @RoyalAstroSoc #RAS200 #Violinist #FCA
10 yrs, 9 mos on Twitter
7,385 31.3%
131.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
10 yrs, 9 mos on Twitter
6,670 31.3%
132.profile imageElisabeth Newton

Astronomer, educator and assistant professor @Dartmouth College. Also a climber, baker, crafter & @astrobites co-founder. She/her.
Hanover, NH
8 yrs, 5 mos on Twitter
2,412 31.3%
133.profile imageAdam Burgasser

astrophysicist, professor, and preferably in the water.
on a plane, or San Diego
9 yrs, 2 mos on Twitter
1,991 31.3%
134.profile imageBrian Keating

Chancellor’s Professor of Physics @UCSanDiego Dir: @SimonsObs Assoc. Dir:@imagineUCSD. Author LOSING THE NOBEL PRIZE https://t.co/tcM4dZj8u5 @WWNorton @tantoraudio
San Diego, CA
9 yrs, 1 mo on Twitter
7,874 31.0%
135.profile imageMarc Kuchner

NASA Citizen Science Lead, Astrophysicist, Songwriter.
Greenbelt, MD
10 yrs, 11 mos on Twitter
5,704 31.0%
136.profile imageKevin Schawinski

Co-founder/CEO @modulos_ai
Zurich, Switzerland
8 yrs, 9 mos on Twitter
4,542 31.0%
137.profile imageJames Bullock

Dean @UCIPhysSci, Professor @UCIPhysAstro, #UCIrvine astrophysics & cosmology. Sometimes mumbler on @ScienceChannel #HTUW
Irvine, California, USA
10 yrs, 3 mos on Twitter
4,393 31.0%
138.profile imageBuzz Aldrin

Celebrating 50 Yrs of Apollo @ RoadtoApollo50th.com; Gemini 12 & Apollo XI Astronaut & Moonwalker; West Point; USAF Col, Korean War Vet; MIT Founder
10 yrs, 5 mos on Twitter
1,483,625 30.8%
139.profile imageHUBBLE

The official feed of ESA/Hubble. The Hubble Space Telescope is the space-based observatory which has revolutionised modern astronomy.
9 yrs, 6 mos on Twitter
592,009 30.8%
140.profile imageAlan Duffy

A/Professor in Astrophysics at @Swinburne and Lead Scientist of @RiAus Instagram.com/profalanduffy
7 yrs, 4 mos on Twitter
21,563 30.8%
141.profile imageJason Major

Space. Planets. NASA. Science. Rocketry. Astronomy. Democracy. Nature. Birds. Coffee. Occasionally funny. He/him. (It, but only if you’re an alien.)
Warwick, RI
9 yrs, 10 mos on Twitter
33,554 30.6%
142.profile imageDavid Grinspoon

Astrobiologist, Author, Musician. 👽🚀🎸🎵🌎❤️
Biosphere One
8 yrs, 1 mo on Twitter
24,654 30.6%
143.profile imageScientific American

Awesome discoveries. Expert insights. Science that shapes the world.
New York City
11 yrs, 6 mos on Twitter
3,793,987 30.4%
144.profile imageSloan Digital Sky Surveys

Tweeting about mapping the Universe @APOGEEsurvey @eBOSSurvey @MaNGASurvey
Apache Point Observatory.
6 yrs, 9 mos on Twitter
4,891 30.4%
145.profile imageElizabeth Tasker

UK astrophysicist working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory' and writer for @nexssmanyworlds (views are my own~)
8 yrs, 0 mos on Twitter
4,021 30.1%
146.profile imageHannah Wakeford

(she/her) Exoplanet explorer learning about their atmospheres | Giacconi Fellow @STScI/@AURADC, @exo_cast podcaster & @BSACDIVER | Expressed opinions are my own
8 yrs, 1 mo on Twitter
2,925 30.1%
147.profile imageRuth Angus

Curator & Prof. of Astrophysics at the American Museum of Natural History @AMNH & Flatiron Institute @FlatironCCA. I study stars and exoplanets.
New York, NY
8 yrs, 6 mos on Twitter
1,813 30.1%
148.profile imageDr. Phil Metzger

Planetary scientist at @UCF. CoFounder NASA KSC SwampWorks. Space Mining. Space Settlement. Science. Instagram @drphiltill
Orlando, FL
6 yrs, 11 mos on Twitter
73,836 29.9%
149.profile imageLSST Astronomy

The widest, fastest, deepest eye of the new digital age.
Cerro Pachon, Chile
11 yrs, 3 mos on Twitter
7,040 29.9%
150.profile imageNYT Science

Science, Medicine, Environment, Space and Cosmos. Sync your calendar with the solar system: nyti.ms/2ECMtej
New York, NY
12 yrs, 7 mos on Twitter
1,173,953 29.5%
151.profile imageProf. Lucie Green

Royal Society Research Fellow, physics Prof at UCL, chair of governors @ucl_academy. Sun & space. Chief Stargazer @popastro. Book: amzn.to/2nitfmi
9 yrs, 5 mos on Twitter
21,165 29.5%
152.profile imageTrueSciPhi / Kelly Truelove

A window on science, philosophy, and mathematics communities on social media, by Kelly Truelove (physics PhD). Photo info at instagram.com/TrueSciPhi.
Austin, Texas
4 yrs, 5 mos on Twitter
7,355 29.5%
153.profile imageJames Tuttle Keane

postdoc at @Caltech 📚 | geophysics of rocky & icy worlds 🌔 | planetary missions 🚀 | science illustrator 🎨 | trekkie 🖖 | dog dad 🐶 | he/him | 🏳️‍🌈
Pasadena, CA
5 yrs, 7 mos on Twitter
6,535 29.5%
154.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
10 yrs, 6 mos on Twitter
1,434,508 29.2%
155.profile imageShannon Stirone 💀

Writer. Art Historian. Find me in @NYTimes @washingtonpost @PopSci @ozm @TheAtlantic @NatGeo @NewRepublic @RollingStone @Wired @Longreads. Opinions are mine.
Bay Area, CA
5 yrs, 3 mos on Twitter
21,217 29.2%
156.profile imageJessica Kirkpatrick

+‒‒‒—‒‒­ Jessica Ann Kirkpatrick, PhD ­‒‒‒‒‒‒+ +‒‒‒‒— Astrophysicist → Data Scientist ‒‒‒‒—+ @kittyplanets #catmom #scientist #techie #writer
San Francisco, CA
10 yrs, 4 mos on Twitter
5,087 29.2%
157.profile imageJonathan Fortney

@ucsc Professor & Director of Other Worlds Laboratory. Modeler of planetary atmospheres & interiors. Father, Partner, Listener, Softballer, Runner, Minnesotan
Santa Cruz, CA
7 yrs, 9 mos on Twitter
2,893 29.2%
158.profile imageJason Kalirai

Astrophysicist and Civil Space Mission Area Executive @JHUAPL. Excited about space exploration and enabling new science with amazing missions. Tweets mine.
Highland, MD
8 yrs, 4 mos on Twitter
2,516 29.2%
159.profile imageJohn O'Meara

Father, Astronomer, science policy nerd. Chief Scientist @keckobservatory Cosmic Origins Science Lead for #LUVOIR Chair AAAC. Tweets are my own. (he/him)
Kamuela, Hawaii
10 yrs, 2 mos on Twitter
1,672 29.2%
160.profile imageBruce Macintosh

Stanford professor. Astronomer: exoplanets, instruments, astropolicy. Sarcasm and golden retrievers. Principal investigator for the Gemini Planet Imager. He/him
Stanford, CA
2 yrs, 0 mos on Twitter
1,648 29.2%
161.profile imageCorey S. Powell

Casting pods with @BillNye on Science Rules. Making magazines @discovermag and @AmSciMag. Writing all around. Science-curious.
Brooklyn, NY
10 yrs, 8 mos on Twitter
67,892 29.0%
162.profile imageHaley Gomez

I'm an Astrophysicist, love books, films astronomy, shoes and dresses.
9 yrs, 11 mos on Twitter
3,019 29.0%
163.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
2 yrs, 9 mos on Twitter
849,422 28.8%
164.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.
10 yrs, 2 mos on Twitter
62,219 28.8%
165.profile image🎃 Spooky 👻 Shanahan 🎃

Data scientist @BoozAllen. Astrophysicist. Passions: #AIEthics, video/boardgame #a11y, & 🍟. Cofounded @AAS_WGAD, created #disabledandSTEM. #EhlersDanlos
Washington, DC
8 yrs, 5 mos on Twitter
5,718 28.8%
166.profile imageDr Erin Ryan

Doctor of the flying space rocks who sciences data, curser of #Python, prez of Science on Cake Appreciation Society, collector of orchid plants, tweets mine.
The shores of the crab infeste
10 yrs, 2 mos on Twitter
3,140 28.8%
167.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)
2,276 28.8%
168.profile imageTim Peake

British ESA astronaut & test pilot back on Earth after 6 months in space.
Cologne, Germany
7 yrs, 7 mos on Twitter
1,603,310 28.6%
169.profile imageNASA InSight

The InSight mission will study the early evolution of terrestrial planets. Launched May 5, 2018. Landed Nov. 26, 2018.
Elysium Planitia, Mars
8 yrs, 0 mos on Twitter
708,700 28.6%
170.profile imageIan O'Neill

Just an astrophysicist/science communicator patiently awaiting the AI takeover. Editor of @AstroSocietyPac's #MercuryOnline. #scicomm
Babylon 5, Epsilon Eridani
11 yrs, 3 mos on Twitter
36,496 28.6%
171.profile imageRobert Simpson

Googler, astronomer, TED Fellow. Views are my own.
12 yrs, 6 mos on Twitter
30,887 28.6%
172.profile imageNRAO

The National Radio Astronomy Observatory is a facility of the National Science Foundation. Social media policy: bit.ly/2qNhpB3
Charlottesville, VA
11 yrs, 1 mo on Twitter
23,741 28.6%
173.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
10 yrs, 0 mos on Twitter
20,594 28.6%
174.profile imageBenjamin Pope

Astronomer - he/him
Manhattan, NY
6 yrs, 10 mos on Twitter
2,673 28.6%
175.profile imageMatthew Kenworthy

Associate Professor of Astronomy at Leiden Observatory - exoplanet imaging and giant ring transit searches. Keen on giving public talks and outreach.
Leiden, The Netherlands
9 yrs, 0 mos on Twitter
2,205 28.6%
176.profile imageESA Operations

From Earth orbit to deep space: sharing the excitement of realtime mission operations at the European Space Agency #WhereMissionsComeAlive 🛰🕹️ https://t.co/HNyRtNGOpq
Darmstadt, Germany
10 yrs, 11 mos on Twitter
284,625 28.3%
177.profile imageBobak Ferdowsi

Explorer of space. Engineer on NISAR Earth Science & Europa Clipper. Mars Curiosity, Cassini Saturn. Cat dad. Self-opinioned
Pasadena, CA
10 yrs, 3 mos on Twitter
122,894 28.3%
178.profile imageEric Mamajek

Astronomer, dad, stars, (exo)planets. Statements and opinions posted here are my own. I don't respond to Twitter DM.
Sector 001
8 yrs, 9 mos on Twitter
2,523 28.3%
179.profile imagePHD Comics

Life (or the lack thereof) in Academia. Comic strip by Jorge Cham. Instagram.com/phd_comics
11 yrs, 3 mos on Twitter
239,474 28.1%
180.profile imagePriyamvada Natarajan

@Yale astrophysicist, works on exotica in the universe: dark matter, black holes; Author: Mapping the Heavens • https://t.co/DuzePWpq2N
New Haven, CT
3 yrs, 8 mos on Twitter
11,669 28.1%
181.profile imageKatey Alatalo

Ph.D. astronomer at STScI, currently housed at Carnegie. Space is amazing! My views are my own.
Pasadena, CA
11 yrs, 5 mos on Twitter
3,462 28.1%
182.profile imageSAO/NASA ADS

8 yrs, 10 mos on Twitter
2,731 28.1%
183.profile imageAdrian Price-Whelan

astrophysics postdoc @ Flatiron Institute (CCA); galaxy dynamics, binary stars; music; github.com/adrn (he/him)
new york, ny
8 yrs, 5 mos on Twitter
2,430 28.1%
184.profile imageNASA's Dawn Mission

My mission has ended, but the science continues. Visit @NASASolarSystem for the latest.
Main Asteroid Belt
10 yrs, 0 mos on Twitter
234,643 27.9%
185.profile imageWomanAstro

Promoting astronomy, encouraging women/girls interested in science. WomanAstro.com, etsy.com/shop/WomanAstro
New Mexico, USA
9 yrs, 11 mos on Twitter
5,010 27.9%
186.profile image.Astronomy

Conference series about what happens when hackers, astronomers and the web all get together.
Toronto, Ontario
11 yrs, 5 mos on Twitter
4,004 27.9%
187.profile imageJC Holbrook

Astrophysicist, Filmmaker, Cultural Astronomer. Hubble's Diverse Universe on Amazon.com BlackSunMovie.com videos.astroanthro.com/Science-Tourist
Kaapstad, ZA
10 yrs, 3 mos on Twitter
3,137 27.9%
188.profile imageErik Tollerud

Astrophysicist, Python coder, and general lover of nature in all its forms. Opinions are my own. He/him/his.
Baltimore, MD
10 yrs, 5 mos on Twitter
2,000 27.9%
189.profile imageLaura Lopez

Astronomy professor @ohiostate studying birth & death of stars with all of the telescopes. She/her
7 yrs, 0 mos on Twitter
1,887 27.9%
190.profile imageScott Kelly

Ret US Navy Capt & Former NASA Astronaut | #YearInSpace | @KepplerSpeakers | NY Times Bestselling Author |#EnduranceMemoir #InfiniteWonder #MyJourneyToTheStars
10 yrs, 3 mos on Twitter
5,591,941 27.7%
191.profile imageSPACE.com

News coverage and conversation about space science, astronomy and exploration. Part of @futureplc
11 yrs, 4 mos on Twitter
769,316 27.7%
192.profile imageBlackPhysicists

Arlington, VA and Worldwide
10 yrs, 5 mos on Twitter
21,006 27.7%
193.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
9 yrs, 2 mos on Twitter
6,448 27.7%
194.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.
8 yrs, 11 mos on Twitter
5,465 27.7%
195.profile imageDr. Abboo 🎃

Lady scientist (she/her) 👩🏻‍💻 NSF fellow @msu_astro & @michiganastro 🔭 compact objects 💥 #OpenSource 🐍 #SciComm 🌟 #BiInSci 💖 tweets≠NSF,MSU,UM
Anishinaabeg/Odawa land
8 yrs, 9 mos on Twitter
2,223 27.7%
196.profile imageJoss Bland-Hawthorn

All things novel, astrophysical, mathematical, technological.
Sydney, Australia
5 yrs, 5 mos on Twitter
2,118 27.7%
197.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
11 yrs, 4 mos on Twitter
485,316 27.5%
198.profile imageHubbleTelescope

News from the Hubble Space Telescope operated by @stsci
11 yrs, 4 mos on Twitter
143,690 27.5%
199.profile imageJo Dunkley

Professor of Physics and Astrophysics at Princeton. Author of Our Universe. She/her.
Princeton, NJ
8 yrs, 1 mo on Twitter
3,732 27.5%
200.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
5 yrs, 6 mos on Twitter
1,412 27.5%
201.profile imageNational Science Foundation

Explore #NSFfunded research that is transforming the world. / Social media policy: bit.ly/smpnsf
Alexandria, VA
11 yrs, 2 mos on Twitter
1,159,556 27.2%
202.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
9 yrs, 2 mos on Twitter
567,143 27.2%
203.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
6 yrs, 5 mos on Twitter
2,895,251 27.0%
204.profile imageScience Friday

Brain fun, for curious people. Hosted by @iraflatow. From @WNYCStudios.
New York, New York
11 yrs, 0 mos on Twitter
764,584 27.0%
205.profile imageLisa Grossman

Astronomy reporter at Science News, lifelong astronomy nerd. Ideas my own. She/her/hers
Cambridge, MA
10 yrs, 8 mos on Twitter
9,127 27.0%
206.profile imageAmerican Astronomical Society (AAS)

Official account of the American Astronomical Society. Its mission is to enhance & share humanity's scientific understanding of the universe. Tweet≠endorsement
Washington, DC, USA
8 yrs, 11 mos on Twitter
4,088 26.8%
207.profile imageAstropy

This is the official twitter account for the Astropy project.
8 yrs, 3 mos on Twitter
3,366 26.8%
208.profile imageInstitute of Physics

The Institute of Physics is a leading scientific membership society working to advance physics for the benefit of all.
10 yrs, 6 mos on Twitter
175,276 26.6%
209.profile imageStuart

Maker of things. Data wrangler. Co-author of "Cosmos: The Infographic Book of Space". Gone far on a bicycle. ✨📡🛰📕📊📈🗺️🚲🏳️‍🌈 He/him
12 yrs, 5 mos on Twitter
8,095 26.6%
210.profile imageGiant Magellan

A next-generation “Extremely Large Telescope” seeking to unlock the mysteries of the universe.
Las Campanas, Chile
8 yrs, 5 mos on Twitter
6,885 26.6%
211.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.
Wassenaar, The Netherlands
4 yrs, 3 mos on Twitter
5,914 26.6%
212.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
7 yrs, 7 mos on Twitter
123,779 26.3%
213.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.
10 yrs, 7 mos on Twitter
108,720 26.3%
214.profile imageNASA_TESS

This is the official @NASA Twitter for the Transiting Exoplanet Survey Satellite (TESS). @NASA_TESS is performing an all-sky survey to discover exoplanets.
Goddard Space Flight Center
6 yrs, 2 mos on Twitter
52,377 26.3%
215.profile imageSTEMLORD with Delusions of Grandeur

Nanotechnology, Molecular Biology| purveyor of finest quality theoretical apocalypses| Scientist | [email protected]| Aussie in Kiwi
Auckland, New Zealand
9 yrs, 2 mos on Twitter
38,734 26.3%
216.profile image☄Ashley🔭Lindalía☄

🚀🔭📡Astrochemist⚗🧪🔬|Planetary Scientist👩🏾‍🔬🌍|The Realest In The Streets|Rapper on Weekends🤦🏾‍♀️😂🤷🏾‍♀️|Magical & Trill💫|❤🖤💚#BlackandSTEM✊🏾✊🏿✊🏽
Chicago, IL, USA,🌍
8 yrs, 9 mos on Twitter
6,150 26.3%
217.profile imageDr Tabetha Boyajian

Assistant professor of Astrophysics at #LSU. disrupter of astrophysics; #BoyajiansStar #TabbysStar; all posts here are my own; She/her
Baton Rouge, LA
10 yrs, 3 mos on Twitter
9,876 26.1%
218.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, 6 mos on Twitter until last tweet (2018-Nov-10)
1,504 26.1%
219.profile imageWIRED Science

Bringing the radiothermally generated heat. The team: @sandraupson, @JetJocko, @rtg0nzalez, @MeganMolteni, @MrMattSimon, @dmoberhaus
San Francisco, California
12 yrs, 1 mo on Twitter
2,031,012 25.9%
220.profile imageDNLee

#JrProf, Mammalogist, Diversity & Access to STEM, Unapologetically Intersectional, Mama Panyabuku, TED Fellow, NatGeo Emerging Explorer, #DispatchesDNLee
Midwest, US; Tanzania, Africa
9 yrs, 3 mos on Twitter
32,238 25.9%
221.profile imageThomas Zurbuchen

Associate Administrator, @NASA Science Mission Directorate
Washington, DC
8 yrs, 8 mos on Twitter
27,407 25.9%
222.profile imageMoiya McTier

Astrophysicist & Science communicator | she/her 💫 #scicomm | #BiInSci | #BlackAndSTEM 💫 Tryna be the next @BillNye
New York, NY
5 yrs, 4 mos on Twitter
3,565 25.9%
223.profile imageLiz B ☆

X-ray and Optical Astronomer at @ESO. ex Instrument Scientist. Bleeding heart liberal & intersectional feminist. All views my own. Ⓥ #WomenInScience She/Her
Edinburgh, Scotland
7 yrs, 8 mos on Twitter
1,769 25.9%
224.profile imageSamantha Cristoforetti

@ESA astronaut. ISS Exp 42/43 Book in Italian amzn.to/2xNnkc6. In German tiny.cc/3wd3bz. In English in 2020! Proceeds to @Unicef.
8 yrs, 3 mos on Twitter
979,652 25.7%
225.profile imageJonathan Amos

BBC Science Correspondent
Cambridge, UK
9 yrs, 10 mos on Twitter
44,937 25.7%
226.profile imageRose DF

Physics. Astronomy. Astronautics. Social Justice. | Con los pies en la tierra, y el corazón en el espacio. | Avatar by: https://t.co/FNtvSgrU64 | Views = own
New York, NY / She, Her, Ella.
5 yrs, 2 mos on Twitter
21,491 25.7%
227.profile imageSquareKilometreArray

The SKA will be the world's largest radio telescope, located in Africa & Australia. Tweets from the SKA's Global Headquarters in the UK.
Australia and South Africa
9 yrs, 1 mo on Twitter
21,007 25.7%
228.profile imageDaniel Fischer

All things astronomy and space (and then some) - in tiny bits and pieces but mostly with links to more ... :-)
Königswinter, Germany
11 yrs, 1 mo on Twitter
13,241 25.7%
229.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
4 yrs, 9 mos on Twitter
7,246 25.7%
230.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)
14,984,775 25.4%
231.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
11 yrs, 9 mos on Twitter
183,001 25.4%
232.profile imageJim Al-Khalili

@UniofSurrey Distinguished Chair in physics, author, broadcaster, humanist. "Affable Egghead" (Sunday Times). Author of forthcoming #TheWorldAccordingtoPhysics
University of Surrey
9 yrs, 9 mos on Twitter
141,563 25.4%
233.profile imageMatt Taylor

I work at the European Space Agency on Rosetta, Space plasma stuff, Swarm, Cluster and now dabbling with the Gateway. 501st Dutch Garrison TK67676 EIB
7 yrs, 1 mo on Twitter
33,089 25.4%
234.profile imageDr Jen Gupta

Professional space nerd. Expect astronomy, physics, science, sci-fi, outreach, public engagement, dogs, parenting, emo & general geekiness. Own views. [she/her]
Winchester, UK
10 yrs, 3 mos on Twitter
5,024 25.4%
235.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
7 yrs, 11 mos on Twitter
2,076 25.4%
236.profile imageNASA's OSIRIS-REx

NASA's first asteroid sampling spacecraft. I'm on a 7-year mission to return a pristine sample from asteroid Bennu.
Asteroid Bennu
11 yrs, 5 mos on Twitter
84,120 25.2%
237.profile imageAngela Speck

Tattooed witchy astrolator; stellar mortician, empress of the eclipse, queen of astromineralogy; SJW; currently living in South Texas -She/Her/Hers-
Columbia, MO
8 yrs, 6 mos on Twitter
2,108 25.2%
238.profile imageJeff Foust

Senior writer, @SpaceNews_Inc. You know the drill: retweets aren't endorsements; opinions here are my own.
Rockville, Maryland, USA
12 yrs, 5 mos on Twitter
38,980 25.0%
239.profile imageXKCD Comic

XKCD comic feed with images, mobile friendly links, and what-if articles. Unofficial, run by @dghubble
5 yrs, 10 mos on Twitter
247,328 24.8%
240.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
5 yrs, 3 mos on Twitter
73,843 24.8%
241.profile imageSabine Hossenfelder

Physicist, blogger, author. Sometimes-songwriter, nighttime-philosopher. Maker of my own misery. she/her
11 yrs, 11 mos on Twitter
31,964 24.8%
242.profile imageDustin Lang

Astronomer at @Perimeter. Farm-raised left-handed vegetarian Canadian socialist. Tweets often astronomical/computational/scatological. he/Dr
Waterloo, Canada
5 yrs, 10 mos on Twitter
1,617 24.8%
243.profile imageGreta Thunberg

16 year old climate and environmental activist with Asperger’s #climatestrike #fridaysforfuture
1 yr, 5 mos on Twitter
2,962,359 24.6%
244.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.
London, UK
10 yrs, 7 mos on Twitter
263,068 24.6%
245.profile imageNASA Spitzer

NASA's Spitzer Space Telescope - the infrared Great Observatory. Observes asteroids, comets, extrasolar planets, stars, galaxies and more...
Pasadena, CA.
9 yrs, 7 mos on Twitter
132,029 24.6%
246.profile imageAmy Mainzer

University of Arizona
6 yrs, 8 mos on Twitter
26,941 24.6%
247.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
3 yrs, 2 mos on Twitter
10,298 24.6%
248.profile imageAndy Rivkin

Planetary astronomer on #TeamAsteroid; Gedankenband member and guitarist; Persistently Obstreperous.
#USAstronomyGoodwillAmbassador ⊗
11 yrs, 5 mos on Twitter
5,146 24.6%
249.profile imageMark Marley

Astronomer working for a well known national space agency. Interests include extrasolar planets, brown dwarfs, giant planets. Opinions are mine alone.
Mountain View, California
9 yrs, 3 mos on Twitter
2,823 24.6%
250.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)
1,095,674 24.3%
251.profile imageGuardian Science

Science, health and environment news from the @Guardian. Plus, independent comment and analysis from our network of expert science bloggers
10 yrs, 8 mos on Twitter
1,067,262 24.3%
252.profile imagegalaxyzoo

It's Galaxy Zoo!
10 yrs, 10 mos on Twitter
13,694 24.3%
253.profile imageNancy Atkinson

Science journalist & author of new book on Apollo, "Eight Years to the Moon," amazon.com/gp/product/162
11 yrs, 4 mos on Twitter
11,495 24.3%
254.profile imageRobert Massey

Dad, Deputy Director @royalastrosoc, chair @lightyear_fdn. Co-author of Moon: Art, Science, Culture with @saschaloske. See bit.ly/2PpjMn0 #FBPE he/him
Bristol (Southville) & London
10 yrs, 3 mos on Twitter
3,199 24.3%
255.profile imageHillary Clinton

2016 Democratic Nominee, SecState, Senator, hair icon. Mom, Wife, Grandma x3, lawyer, advocate, fan of walks in the woods & standing up for our democracy.
New York, NY
6 yrs, 7 mos on Twitter
25,917,724 24.1%
256.profile imagenature

International weekly journal of science. Editorials, News & Views, Comment, Careers and primary research coverage here. For news, please see @NatureNews.
7 yrs, 9 mos on Twitter
1,640,515 24.1%
257.profile imageDr. Brian May

Rocket Ship Builder 🚀🚀🚀🚀🚀
7 yrs, 1 mo on Twitter
1,016,409 24.1%
258.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.
Cambridge, MA
9 yrs, 1 mo on Twitter
8,305 24.1%
259.profile imageArfon Smith

Head of Data Science @stsci. Ex GitHubber. Zooniverse co-founder. Editor-in-chief of the Journal of Open Source Software • https://t.co/C7TiAzKbkX
Baltimore, MD
12 yrs, 10 mos on Twitter
4,463 24.1%
260.profile imageAndrew Pontzen

I do cosmology. Previously music. Prof at UCL, funded by Royal Society and ERC. Tweeting in a personal capacity: it’s no-one else’s fault when I talk nonsense.
9 yrs, 3 mos on Twitter
3,350 24.1%
261.profile imageDra. Nicole

CEO of Movement Consulting // Astronomy Ph.D. and STEM equity advocate // She/Her/Ella // #LatinaInSTEM // I have the best ideas
5 yrs, 1 mo on Twitter
2,587 24.1%
262.profile imageCaroline Morley

Assistant Prof at UT Austin, modeler of substellar atmospheres
Austin, TX
7 yrs, 1 mo on Twitter
2,139 24.1%
263.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/
Auld Reekie
9 yrs, 7 mos on Twitter
2,086 24.1%
264.profile imageStephen Colbert

the guy on CBS
11 yrs, 1 mo on Twitter
18,704,744 23.9%
265.profile imageDan Hooper

Physicist and author at Fermilab and the University of Chicago
Chicago, IL
1 yr, 11 mos on Twitter
6,197 23.9%
266.profile imageEmma Chapman

Astrophysicist, Royal Society Research Fellow, Imperial College London. Exhausted campaigner on sexual misconduct in HE.
London, England
3 yrs, 1 mo on Twitter
4,734 23.9%
267.profile imageDerek Fox

Astronomer and faculty member (he/him) at Penn State University. A personal Twitter account. "Where is everybody?" -E. Fermi
10 yrs, 8 mos on Twitter
2,497 23.9%
268.profile imageJonathan Pritchard

Imperial astrophysicist and bewildered vagabond. Reader. SKA enthusiast. @ERC_research funded (opinions mine, not employer's)
Richmond, London
8 yrs, 10 mos on Twitter
1,864 23.9%
269.profile imageDr Pauline Barmby

Professor & galaxy-observing astrophysicist @westernuphysast, co-chair @LRP2020 (opinions mine). Yarn & SF aficionada, runner. She/her.
Traditional territories of the Anishinaabeg, Haudenausaune, Lenaapeewak, and Attawandaron peoples.
7 yrs, 11 mos on Twitter
1,561 23.9%
270.profile imageDr. Caryl Gronwall

Astronomer at Penn State University
State College, PA
8 yrs, 8 mos on Twitter
1,369 23.9%
271.profile imageSarah Jane Schmidt

Astronomer currently based in Berlin/Potsdam, working on the coolest (lowest temperature and most awesome) stars. Works toward inclusion. She/her/hers.
7 yrs, 10 mos on Twitter
1,216 23.9%
272.profile imageStephanie Juneau

Associate Astronomer at @NatOIRLab. Scientist for @DataLabAstro. Coffee & dark chocolate addict. Fan of #blackHoles #art #sciart #rockclimbing
5 yrs, 4 mos on Twitter
1,084 23.9%
273.profile imageRadio Astrology

Opening new windows in the prediction spectrum. Astrology at long wavelengths.
In the stars (and the ISM)
8 yrs, 0 mos on Twitter
4,065 23.7%
274.profile imageGautham Narayan

Assistant Professor of Astronomy at @illinois_alma. Dark energy, wide-field surveys, supernovae, machine learning, outreach, photography, hiking. (He/him)
Champaign, IL
10 yrs, 0 mos on Twitter
1,286 23.7%
275.profile imageNational Geographic

Taking our understanding and awareness of the world further for 130 years
10 yrs, 11 mos on Twitter
23,487,905 23.4%
276.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.
8 yrs, 10 mos on Twitter
58,384 23.4%
277.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.
8 yrs, 5 mos on Twitter
1,973 23.4%
278.profile imageJohn Debes

STIS Team Lead @stsci. Works on @diskdetective, @backyardworlds, and @NASAWFIRST CGI. Exoplanets, white dwarf planets, and disks. My opinions are my own. He/Him
Geektown, USA
7 yrs, 0 mos on Twitter
1,228 23.4%
279.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, 11 mos on Twitter until last tweet (2018-Jan-11)
31,589 23.2%
280.profile imageChris North

Lecturer & astronomer @CardiffPHYSX. Co-author of cosmos-book.github.io + other books, semi-regular broadcaster. Comments own. [he/his]
Cardiff (normally)
10 yrs, 1 mo on Twitter
5,456 23.2%
281.profile imageEmily Baldwin

Space Science Editor at EJR-Quartz for ESA, based at ESTEC. Tweets about space, running, coffee. Opinions own.
Leiden, Netherlands
10 yrs, 8 mos on Twitter
4,990 23.2%
282.profile imageJuan Carlos Munoz

Astronomer at @ESO. Deciphering how galaxies work with huge telescopes in Chile. Outreach/Scicomm. ESO Photo Ambassador. Check my pics: instagram.com/astro_jcm
Santiago, Chile
3 yrs, 1 mo on Twitter
2,612 23.2%
283.profile imageNASA's Kennedy Space Center

Official Tweets from NASA's Kennedy Space Center
Florida, USA
11 yrs, 1 mo on Twitter
1,553,996 23.0%
284.profile imageBrian Greene

Physicist, Author, Co-founder @WorldSciFest
New York, NY
7 yrs, 5 mos on Twitter
1,011,459 23.0%
285.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
9 yrs, 4 mos on Twitter until last tweet (2017-Oct-14)
47,782 23.0%
286.profile imageJennifer Ouellette

Science and culture writer Jennifer Ouellette. Senior writer, Ars Technica. Past: Gizmodo. Ex-evangelical. Married to @seanmcarroll. She/her.
Los Angeles, CA
9 yrs, 7 mos on Twitter
38,607 23.0%
287.profile imageDr. Karen James

Scientist & outdoorswoman • DNA whisperer working on climate change • into botany, evolution, space, sci-comm, skiing, Outlander, climate justice & human rights
Unceded Wabanaki territory
10 yrs, 11 mos on Twitter
34,060 23.0%
288.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
4 yrs, 8 mos on Twitter
21,414 23.0%
289.profile imageStephen Serjeant

Astronomy Prof at Open University,occasionally does OU/BBC stuff. 26.2mi=42.2km.Remainer. Likes often=bookmarks. Views here do not necessarily blah blah. He/him
10 yrs, 7 mos on Twitter
2,380 23.0%
290.profile imageCourtney Dressing

Assistant professor of astronomy, exoplanet scientist, dog lover, gardener, baker, & crafter. Views are my own. #WomeninSTEM 👩‍🚀#lgbtstem 🏳️‍🌈 she/her
California, USA
4 yrs, 11 mos on Twitter
1,776 23.0%
291.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
10 yrs, 0 mos on Twitter
205,467 22.8%
292.profile imageStuart Clark

Astronomer, journalist, author, lecturer. Beneath the Night (coming Sept 2020). Writes Starwatch and Spacewatch for The Guardian. Prog rock fan.
10 yrs, 6 mos on Twitter
34,893 22.8%
293.profile imageKim Kowal Arcand

Visualization & emerging tech/X-ray astronomy; speaker; author; "Light from the Void" 20 Years of @chandraxray now out; opinions=my own; she/her
11 yrs, 8 mos on Twitter
9,036 22.8%
294.profile imageWill Gater

Astronomer, journalist & space geek 🔭https://t.co/qdUaJi892Z | https://t.co/vtY0MvxbF8 | Live show: https://t.co/vQFc3wAD4z
11 yrs, 5 mos on Twitter
8,406 22.8%
295.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
10 yrs, 7 mos on Twitter
3,608 22.8%
296.profile imageStephen Fry

How can I tell you what I think until I’ve heard what I’m going to say? 🏳️‍🌈 (Never read DMs I’m afraid)
Los Angeles, CA/ London UK
11 yrs, 3 mos on Twitter
12,747,155 22.5%
297.profile imageAriel Waldman

NASA advisor. Antarctic explorer. Global director @ScienceHackDay. Author of “What’s It Like in Space?”. YouTuber https://t.co/iXJbu3mwtM. Art school grad.
San Francisco
12 yrs, 8 mos on Twitter
39,263 22.5%
298.profile imageAlan Boyle

Aerospace and science editor @GeekWire. Longtime blogger @CosmicLog. Author of "The Case for Pluto." Links/RTs ≠ endorsements
11 yrs, 8 mos on Twitter
38,755 22.5%
299.profile image★ Colin Stuart ★

Astronomy author & speaker. Get a free e-book @ bit.do/fczvN See www for signed books, business keynotes & school talks. Asteroid (15347) Colinstuart
10 yrs, 11 mos on Twitter
6,075 22.5%
300.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
10 yrs, 8 mos on Twitter
5,069 22.5%