Ben Montet @benmontet.bsky.social Astronomer at UNSW Sydney. I like stars, planets, my dog, running, cycling, and yapping.
Chicagoan living in Australia
Karin Sandstrom @karinsandstrom.bsky.social Astronomer. Professor at UC San Diego. Lover of coffee, interstellar dust, California, nerdy stuff. she/her
Stephanie Douglas @stephtdouglas.bsky.social Astronomer, Assistant Prof of Physics. She/her. (All opinions mine & don't represent employer; likes/RPs not endorsements; etc)
Josh Lothringer @jlothringer.bsky.social Assistant Astronomer at @spacetelescope.bsky.social researching exoplanet and brown dwarf atmospheres. Opinions expressed are my own.
https://jlothringer.github.io/
Thomas Beatty @tgbeatty.bsky.social Astronomer/Exoplanetary Scientist/Professor at the University of Wisconsin
Sangeeta Malhotra @astrodame.bsky.social Astronomer, dog feeder, bird watcher, maker of bad, dad jokes.
Views expressed are all mine, and not of my employer, family, or voices in my head.
Scott Gaudi @scottgaudi.bsky.social Astronomer @OSUAstro/exoplanet enthusiast/aspiring astrobiologist/accidental astropolitician. He/him. Proud:autistic/poly/gay/queer/nerd/man. Be relentlessly kind.
Prof Lía Corrales @eblur.bsky.social High energy astronomer studying space dust and exoplanets.
Opinions my own.
Gregory Walth @vega18h37m.bsky.social Astronomer at Caltech/IPAC working on the Roman Space Telescope. Interests: Dusty galaxies, CGM, gravitational lensing, data pipelines, coffee. He/Him
https://gwalth.github.io/
Jason Wang @thejason.wang Astronomer. I take images of extrasolar planets. Sometimes I make GIFs of them. Professor at Northwestern/CIERA. jasonwang.space
Dr. Angelle Tanner @astrochic73.bsky.social Astronomer, cat (a dog) lady, lover of nature. Associate Professor at Mississippi State University, Project Scientist of the Landolt Mission
Franck Marchis @allplanets.bsky.social Dad, Entrepreneur, astronomer, dog-lover who cares about this planet, and our future as a species. You should as well...
August (Gus) Muench @augustfly.bsky.social data editor in New Haven; tree/bird/sky watcher; former Bostonian/Floridian/IR Astronomer
John Gizis @johngizis.bsky.social Astronomer, University of Delaware
Speaking for myself. 
Philip Muirhead @philipmuirhead.bsky.social Astronomer at Boston University. Director of the Perkins Telescope Observatory.
Prof. Brittany Miles @bemiles.bsky.social Assistant Professor at the University of Arizona. Astronomer. Aunty.
She/Her.
https://bemiles.github.io/
infraredastronomy.tumblr.com
Dr. Gerard van Belle @fringedoctor.bsky.social Active astronomer, intrepid interferometrist, doting dad, happy hubby, heuristic homebrewer, lapsed pilot, Director of Las Cumbres Obs in Santa Barbara. Asteroid 25155 van Belle.
Caroline Morley @astrocaroline.bsky.social Astronomer, Associate prof at UT Austin, mother of two small humans
John Debes @johndebes.bsky.social ESA/AURA astronomer at STScI. Opinions my own. I study exoplanets and disks around stars.
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
András Gáspár @andrasgaspar.bsky.social Associate Astronomer at the University of Arizona. JWST/MIRI Instrument Team. Debris disk aficionado. Classic car enthusiast. Opinions my own. He/him
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Dr. Lucian Walkowicz @notnotrocketscience.com Astronomer, movement artist, & educator based in Chicago 🛸 Founder, Not Not Rocket Science ✨Co-founder, the JustSpace Alliance 🚀they/them causing mayhem
notnotrocketscience.com
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
The Sidewalk Astronomer @sidewalkastronomer.bsky.social Bringing views of the Planets and the Universe to a sidewalk near you
Astronomers Turned Data Scientists @atds.space Astronomers Turned Data Scientists (ATDS) is a community of former astronomers in data science, current astronomers interested in Data-related topics, as well as anyone who might be interested in transitioning into a data science career.
Dr Sarah Casewell @astronomerslc25.bsky.social 
Astronomers for Planet Earth @a4e.org Astronomy students, educators, & scientists addressing the climate crisis from the astronomical perspective. Join the conversation with #Astro4Earth!
Megan Tannock @astronomermegan.bsky.social PhD astronomer turned video game developer for Cosmographic Software. Big Fan of Big Dogs. She/her.
Website: https://megantannock.wixsite.com/home
Dr. Genevive Bjorn @genevivebjorn.bsky.social Author, teacher, and researcher focused on teaching assumed skills in higher education.
Al Yankovic @alyankovic.bsky.social You know... the weird one.
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
Jennifer L. Hoffman ✨😷 @astroprofhoff.bsky.social Astronomer, professor, birder, singer, cat communer (she/her)
University of Denver, @chamberlin-obs.bsky.social
Past Grand Canyon Astronomer in Residence
Ann Leckie @annleckie.com Author of the award-winning Ancillary Justice. Lives in St Louis.
Dr. Moiya McTier @goastromo.bsky.social “Genuinely funny astrophysicist”
“Artemis reincarnated”
“I want to be her when I grow up”
order MOTHERS OF INVENTION 🏺
moiyamctier.com/muses
Vivian U @justtheletteru.bsky.social Associate Scientist at Caltech/IPAC studying black holes and galaxy mergers with a nerdy sense of humor. Roman Proposal Lead. < 15 minutes of fame from PBS NOVA showcasing JWST science. TEDxMB 2024 speaker. Views are my own.
🌐 https://vivian-u.github.io/
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Jason Wright @astrowright.bsky.social Professor of Astronomy and Astrophysics at Penn State.
Son, father, partner, scientist, teacher, student, human, Earthling.
Mostly posting astronomy. Mostly.
Jeyhan Kartaltepe @jeyhan.bsky.social Associate Professor at RIT investigating galaxy evolution. Co-lead of the COSMOS Collaboration. Passionate about public outreach, science communication, and inclusivity. Currently working on all things JWST (especially, COSMOS-Web, CEERS, NGDEEP, PRIMER).
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Tod Lauer @todlauer.bsky.social Extragalactic astronomer (black holes, galaxies, galaxy clusters, stellar pops) who also dabbles in planetary astronomy. Really, basically a pixel pusher.
Martha Wells @marthawells.com SF/F Writer - The Books of the Raksura, The Murderbot Diaries, Witch King, Queen Demon, and more. Nebula and Hugo Award winner. NYT and Sunday Times Bestseller. (She/her) Agent: Jennifer Jackson
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Alyssa Goodman @alyssagoodman.bsky.social Astronomy Professor at Harvard. Founder of glue solutions, inc. & http://path-to.org. Views are my own. 
Marc Postman @astromarc.bsky.social Astronomer studying galaxies, clusters, and dark matter. Envisioning the future of space astronomy. My posts are my own views. (he/him)
Prof Anna Watts @profannawatts.bsky.social Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars, pulsars, dense matter, X-ray astronomy. Mom, Migrant. "Particles in stars blah blah". Does science with NICER on the International Space Station and schemes for EVEN BIGGER SPACE TELESCOPES.
N. K. Jemisin @nkjemisin.bsky.social Writer. She/her.
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
David Tsang @drda5id.bsky.social Theoretical Astrophysicist at the University of Bath, UK. Spends time thinking about Mathematical Physics, Neutron Stars, Black Holes, Planets and Disks, Board Games, Crafting, Leather Working, Cooking, and other stochastically determined hobbies. 
CatherineQ @catherineq.bsky.social Astronomer, science communicator, over-thinker extraordinaire. @AucklandUni space person @AucklandSpace. Autoimmune illness. 🇳🇿🇺🇸
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
✉️ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
David W Hogg @hogg.bsky.social Astronomer, physicist, statistician, data analyst, open scientist. (Totally not at all the other David Hogg). I live on Lenape land.
Michael Brown @mjibrown.bsky.social Astronomer, Monash academic, Conversation writer, cycling commuter or mamil.
https://research.monash.edu/en/persons/michael-brown
Josh Peek @jegpeek.bsky.social 
Jennifer Johnson @jajohnson.bsky.social Astronomer. Fan of the Galaxy. Member of @sdssurveys.bsky.social. Periodically interested in origin of elements. Still working on triple pirouette.
Ned Wright @mapping3k.bsky.social UCLA astronomer working on space CMB and IR. On the COBE, WMAP, SIRTF and WISE missions. Asteroid (241527). See my cosmology tutorial at https://www.astro.ucla.edu/~wright/cosmolog.htm
Beth Willman @bethwillman.bsky.social LSST Discovery Alliance, CEO
Xiaohui Fan @xiaohuifan.bsky.social quasar hunter, traveller, runner, yankees fan, wine lover and the best chef in the world according to my kid. Regents' Professor of Astronomy, Univ of Arizona.
Dr Rachael Livermore @rclivermore.bsky.social Astrophysicist, science communicator, educator, convention organiser
Bruce Macintosh @bmacastro.bsky.social Astronomer working on imaging extrasolar planets, instrumentation, and science policy. Spare time: hiking with a golden retriever, and not playing enough boardgames.
Director, University of California Observatories, but opinions are my own. He/him
Jayne Birkby @jaynebirkby.bsky.social Professor of Astrophysics at the University of Oxford. I study the atmospheres of other worlds beyond the Solar system.
Lisa Will @dustchick.bsky.social Astrophysicist, educator, geek. She/her. Professor, Physics/Astronomy, San Diego City College. Resident Astronomer, Fleet Science Center.
Dr. Stéphanie Juneau @stephajuneau.bsky.social Astrophysicist, supermassive black hole hunter, artist, public speaker, français/English/québécois 
Erik Tollerud @eteq.bsky.social Astrophysicist, Python coder, and general lover of nature in all its forms. Tweets are my own. He/they.
Dr Jan Eldridge @astro-jje.bsky.social NZ theoretical astrophysicist studying exploding binary stars. Sci-fi addict, feminist, non-binary femme. Pronouns: she/her/they. All views my own.
Emily Rice @emilylrice.me Astronomer at CUNY & AMNH, CEO of STARtorialist, HQ for Astronomy on Tap, I guess I’m trying to make science fun?
My shop: shop.STARtorialist.com
Will M. Farr @farrwill.bsky.social Astrophysicist. Associate Professor at Stony Brook University, Gravitational Wave Astronomy Group Leader at Flatiron Institute's Center for Computational Astrophysics.
Jane Rigby @janerigby.bsky.social Astronomer, human, described by adjectives too dangerous to list. Views mine
Reach for the stars. But not that one — it’s about to go boom
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book “The Astronomers Library” about books, libraries and astronomy - three of my favourite things. Brit/US.
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Brooke Simmons @vrooje.net Professor of Astrophysics: Galaxies, Black Holes, the Changing Sky. Also Zooniverse humanitarian and disaster relief lead. People first, then science. She/her
Britt Lundgren @brittlundgren.bsky.social quasar gazer | science & education policy wonk | prof. of physics & astronomy at a public liberal arts college | Illinoisan
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
Rep. Alexandria Ocasio-Cortez @ocasio-cortez.house.gov This account is maintained by federal staff to share services and legislation relevant to constituents of NY-14.
Laura Watkins @laurawatkins.bsky.social Head of the Science Policy Division at STScI. Research focuses on kinematics and dynamics of globular clusters and dwarf galaxies. Views my own.
Dr Adam Levy @climateadam.bsky.social Climate scientist, journalist, YouTuber, Adam 🏳️🌈
https://www.youtube.com/ClimateAdam/
https://www.climateadam.com
Sera Markoff @profsera.bsky.social Plumian Prof in Astro @U Cambridge & Prof Astro-/Particle Physics @U Amsterdam. All things black hole, member: Event Horizon Telescope, Africa Millimeter Telescope, CTAO. Space, sci-fi, cats, music, valve amps, other unabashed geekery. www.seramarkoff.com
IAU Office of Astronomy for Education @astro4edu.bsky.social The Office of Astronomy for Education (OAE) of the International Astronomical Union, hosted at @hausderastronomie.bsky.social
https://haus-der-astronomie.de/de/impressum
Stephen Taylor @stevertaylor.bsky.social Gravitational-wave Astrophysicist | Associate Professor @ Vanderbilt University | Chair, NANOGrav Collaboration | ESA-NASA LISA Science Team Member
Emma Newman @emmanewman.bsky.social SFF author (Planetfall sequence, Split Worlds series, The Vengeance), audiobook narrator, podcaster, tea drinker. Loves LARP, dressmaking and nerdery. Co-host of the Starship Alexandria podcast. www.linktr.ee/emma_newman
Kevin Hainline @kevinhainline.bsky.social Enthusiastic Astronomer. Professor at the University of Arizona. I use telescopes to find things. (He/him)
MurderBotBot @murderbotbot.bsky.social Bot that tweets quotes(incl spoilers) from
@marthawells.com The Murderbot Diaries. Has no gender. Character's pronouns are It/its. Managed by @writerphoebe
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
Adrian Price-Whelan @adrian.pw (he/him)
Astronomer;
Leads the Nearby Universe group at the Flatiron Institute / CCA;
Asst. Director of Scientific Software @ Simons Foundation;
Astropy;
Music;
https://adrian.pw 
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
Saavik ‘Careful of the Ankle’ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
Ramin Skibba @raminskibba.bsky.social Science/Health/Climate/Tech/Policy Reporter, Editor, and Communicator. Previously: Staff Writer at WIRED; freelance writer; former scientist. Muppets & Star Trek fan. My newsletter: http://raminskibba.substack.com
Mary Roach @maryroach.bsky.social Nonfiction author, science goober. Stiff, Bonk, Fuzz, Grunt, Packing for Mars, etc. 
The Daily Show @thedailyshow.com Weeknights 11/10c on Comedy Central and Paramount+
Ursula K. Le Guin @ursulakleguin.com Ursula K. Le Guin (1929-2018) was a celebrated author of novels, children’s books, poetry and essays. This account is managed by her estate.
https://www.ursulakleguin.com/
National Association of Science Writers (NASW) @sciencewriters.org Fighting for the free flow of science news since 1934. A 501(c)(6) professional membership organization.
💚 https://www.nasw.org
🎟️ https://www.sciencewriters2025.org
Aurora Forecast Bot from NOAA (UNOFFICIAL) @aurora.nws-bot.us A bot sharing aurora forecast details from the NOAA's Space Weather Prediction Center.
This account is unmonitored. Contact @wandrme.paxex.aero if needed.
Viviana Acquaviva @venividivivi.bsky.social Astrophysicist turned Climate Scientist | AI for Science | Professor of Physics at @cuny.bsky.social; happy camper at @leapstc.bsky.social | Author, ML for Physics and Astronomy: https://shorturl.at/VJ9k9 | Lover of puns, data, good people, and unfinished