Ethan Siegel @startswithabang.bsky.social Cosmologist, science communicator, author, speaker, and longtime writer of Starts With A Bang.
Not the next Carl Sagan; the first Ethan Siegel.
Anton Pannekoek Institute for Astronomy @api.uva.nl The astronomy research institute of the University of Amsterdam. We also do stargazing events, lectures, sidewalk astronomy, library telescopes, etc.!
https://linktr.ee/antonpannekoekinstituut
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.
@antoine-ducros.bsky.social @antoine-ducros.bsky.social Enseignant-chercheur en mathématiques à Sorbonne-Université (Jussieu). Grand amateur de voyages. Et je fais beaucoup de photos.
Gro-Tsen @gro-tsen.bsky.social Eclectic mathematician, irritable geek, boring homosexual, procrastinator extraordinaire, overworked dilettante and full-time human being. I post in fr&en.
Evan Washington @eewash.bsky.social yields falsehood when preceded by his own quotation
Quantian @quantian.bsky.social Locked in and posting regularly on here now
Sean Fitzsimmons @sfitzsi.bsky.social 
The Whimsical Muse @whimsicalmuse.bsky.social Theatre actor, bookstore connoisseur, autumn enthusiast, cat rescuer, educator, explorer of cobblestone streets, and defender of the Oxford comma.
alan yuhas @ayuhas.bsky.social editing/writing at the nyt
Astronomy Bot @astronomybot.bsky.social Everything about astronomy 🔭 using AI and other sources | Fully automated | Also on X, Instagram & Threads | Follow to get familiar with the Space and beyond | Queries? @ me | Buy me a coffee: buymeacoffee.com/astronomybot
ESA Exploration @exploration.esa.int Sharing news on Europe's human and robotic exploration, from astronaut training to the next giant leap to the Moon and Mars.
Dr Jamie Gallagher @jamiebgall.co.uk Public Engagement trainer & consultant | #SciComm writer/presenter | @rspb.bsky.social & STFC advisor |🏳️🌈🏴
Geek: Star Trek | Doctor Who
I make nerdy rainbow pin badges that have raised £35k for homeless LGBTQ+ people
https://linktr.ee/Jamiebgall
Ajgiel @ajgiel.bsky.social Digital artist
I’m confused most of the time
Shop: https://ajgiel.bigcartel.com/
Ig: Ajgiel
Gavia Baker-Whitelaw @gavia.bsky.social Film and TV critic. Co-host of the Overinvested movie podcast, co-editor of the Rec Center newsletter.
Bylines: TV Guide, Inverse, Vulture, Boston Globe, Atlas Obscura, Empire, etc. she/her
Keith Smith @drkeithsmith.bsky.social PhD, occasional astronomer, talking head, science geek, cynic. Senior Editor at @Science.org, responsible for research papers in astronomy and planetary science. Views own, duh. Bio: https://www.science.org/content/author/keith-t-smith
Amy Shira Teitel @amyshirateitel.bsky.social Author, historian, streamer, YouTuber, writer.
DSCOVR:EPIC @dscovr-epic.bot.country Pics from the Earth Polychromatic Camera on the DSCOVR spacecraft (unofficial). Formerly @dscovr_epic on twitter.
FAQ: https://russ.garrett.co.uk/bots/dscovr_epic/
Operator: @russ.garrett.co.uk
Melina Thévenot🏳️⚧️ @melina-iras07572.bsky.social I was a volunteer of astronomical research. I create images with #JWST data. Also known as "Lazy Planet 27" on some accounts.
German 🇩🇪 no genAI 🚫🤖
trans, chronic pain, mental illness
https://melinathevenot.carrd.co/
she/her
Dr. Skylar Grayson @skylargrayson.bsky.social Astrophysics PhD ✨ studies black holes and galaxy evolution 🌌Science Communicator (find me other places at “Space According to Skylar”)
Enrique Arribas-Garde @garde24.bsky.social Theoretical physicist researching radiofrequency electromagnetic fields and exposure (RF-EMF). Fascinated by magnets since childhood. Físico teórico investigando la exposición a campos electromagnéticos de radiofrecuencia. Amante de los imanes desde niño.
Liz Bourke @hawkwinglb.bsky.social Ph.D Classics. Reviews @ Reactor Magazine (ex. Tor.com) and Locus Magazine.
Ireland.
Patreon: https://www.patreon.com/hawkwing_lb
Wordpress: https://lizbourke.wordpress.com
Mastodon: https://mastodon.social/@hawkwing_lb
The Amazing Worlds of Doctor Who @worldsofdrwho.bsky.social Celebrating the worlds of "Doctor Who".
David Kipping @davidkipping.bsky.social Astronomy, Exoplanets, Astrobiology, Cool Worlds Lab, Columbia University. Be kind to one another.
Dr. Amber Straughn (she/her) @astraughnomer.bsky.social Black Lives Matter. NASA Astrophysicist for #JWST. From Arkansas. Hiking, yoga, Great Dane mom, pilot, Pearl Jam superfan. #FirstGen Personal account - my views
The Oatmeal @theoatmeal.bsky.social Cartoonist and creator of The Oatmeal and Exploding Kittens https://linktr.ee/theoatmeal
Arp Bot 🤖 @arpbot.bsky.social Posting images of galaxies in Halton Arp's Atlas of Peculiar Galaxies (1966).
Automated account. Image curation, descriptions, typos, and most alt text by astronomer @kellylepo.bsky.social.
See posts for credits and links to the original sources.
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
IWTV Writers @iwtvwriters.bsky.social Official #InterviewWithTheVampire Writer’s Room. Come be our savory inferiors...
The Vampire Lestat @annerice.amc.com Vampires are real. Tell your mom.
Maggie @meverri.bsky.social Astronomer, in bed by 9 🛌🌌
ESA astronaut Dr Matthias Maurer @astromatthias.esa.int Active astronaut of the European Space Agency ESA. Materials Science Engineer and MBA by training. Bestseller author. Lived recently 175 days on the International Space Station. Posts are my own opinion.
#NoCutsInHessen @nocutsinhessen.bsky.social Wir setzen uns gegen die rigorosen Kürzungen an hessischen Hochschulen ein und kämpfen für den Erhalt von Studiengängen, Stellen & Forschungszweigen. Wir brauchen demokratische, vielfältige und ausfinanzierte Unis! #nocuts #nocutsinhessen
Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social Space archaeologist | Global Expert Group for Sustainable Lunar Activity | Asteroid 551014 Gorman | Dr Space Junk vs the Universe. https://mitpress.mit.edu/9780262539654/dr-space-junk-vs-the-universe/ | Blog https://zoharesque.blogspot.com/
Nicholas A. Christakis @nachristakis.bsky.social Sterling Professor of Social and Natural Science at Yale University. Sociologist. Network Scientist. Physician. Author of Apollo's Arrow; Blueprint; Connected; and Death Foretold. Director of the Human Nature Lab: https://humannaturelab.net
Abbie 🌟 @abbiestev.bsky.social Experimental public programs in sci + art + tech, extronomer, nerd doctor of black holes & neutron stars, Michigoose, toddler mom, neurospicy, sober, pro-trans, she/her #BiinSci #WomenInSTEM #UglyDogs
Prof. Joey "Barely a Footnote" Neilsen @joeyneilsen.bsky.social Black hole astrophysicist at Villanova. Formerly: MIT, Boston University, Harvard, Kenyon College | X-rays | husband | dad of 2 | cooking. He/him. Skeets are my own.
Evan Bernick, a finite mode with a smol hooman and a lorg floof @evanbernick.bsky.social Associate Prof at Northern Illinois University College of Law. Constitutional law, criminal law, abolition, philosophy, hoops, video games, puppies (esp. Argo the Floof). Probably nicer than you’ve heard. He/him.
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pākehā; she
Andrew Williams @andrewilwilliams.bsky.social Postdoc at UC San Diego | physics of climate 🌤️ 🌍 | PhD Oxford | views my own | he/him
andrewilwilliams.github.io
Max-Planck-Institut für Astronomie @mpi-astro.bsky.social Astronomical research institute in Heidelberg, Germany / Astronomisches Forschungsinstitut in Heidelberg
Impressum: https://www.mpia.de/impressum
Rutger Bregman @rutgerbregman.com Historian | Author of ‘Utopia for Realists’ (2014), ‘Humankind’ (2020) and ‘Moral Ambition’ (2025) | Co-founder of The School for Moral Ambition | moralambition.org | rutgerbregman.com
📖 substack.com/@rutgerbregman
📺 youtube.com/@rutger.bregman
Robert Picardo @robertpicardo.bsky.social Actor, collectible, Planetary Society Board Member and AI since the 90s .
Simeon Schmauß @stim3on.bsky.social dabbling with photogrammetry, astrophotography, GIS and more...
https://sschmaus.github.io/links/
Maria Clara @fantasticplanets.bsky.social Amateur astronomer, sci-fi lover, STEM, art lover.
More women in science.
Working on my PhD
#transrightsarehumanrights
#loveistheanswer
#BLM
#landback
M.J. Crockett @mjcrockett.bsky.social Professor of Psychology & Human Values at Princeton | Cognitive scientist curious about technology, narratives, & epistemic (in)justice | They/She 🏳️🌈
www.crockettlab.org
Sesh Nadathur @seshnadathur.bsky.social Professor of Cosmology at Portsmouth. "Cosmic cartographer": I make and use 3D maps of the Universe from galaxy redshift surveys, with telescopes on desert mountaintops and in space. Dad, occasional climber, likes cricket. Occasionally I have opinions.
T, the scalpel 🦇 @lestats-hairbrush.bsky.social 28 | she/they | IWTV major with a focus in Loustat | horror all the time, disco occasionally | MDNI | will probably call you bestie ✨
📖: This Inevitable Ruin, The Unknown
Craig Lewin @esportsmed.bsky.social Father, Teacher, Athletic Trainer, Music Lover
LISA Community @lisacommunity.bsky.social First gravitational wave observatory in space. 3 satellites flying in triangle formation connected by 2.5 million km laser beams. An ESA mission with international participation including from NASA. Launch in the 2030s.
MIT Press @mitpress.bsky.social Committed to the daily re-imagining of what a university press can be since 1962.
Website: https://mitpress.mit.edu
The Reader (our home for excerpts, essays, & interviews): https://thereader.mitpress.mit.edu
MIT Press Direct: https://direct.mit.edu/
Cambridge University Press @universitypress.cambridge.org Our publications, research, and higher education solutions spread knowledge, spark curiosity and aid understanding around the world.
View our social media commenting policy here: https://cup.org/38e0Gv2
Mikhail Korobko @mkorobko.bsky.social Quantum physicist: quantum optics, gravitational-wave detectors and foundations of quantum mechanics | staff scientist @ Uni Hamburg | member of LIGO
Stuart Atkinson @stuartatkinson.bsky.social Amateur astronomer and author of science fiction and science reference books, including "A Cat's Guide to The Night Sky". Fascinated by Mars since knee high to R2D2 and owned by a very demanding rescue cat called Jess. 
Natalie @nataliethenerd.com Self taught maker just trying to make and learn more.
LEDs and Game Boys.
and a bit of gaming ofc
she/her
https://links.nataliethenerd.com/
Interview With The Vampire Fanpage @iwtvupdates.bsky.social Your source for #InterviewWithTheVampire / #TheVampireLestat, delivering the latest updates and spotlighting the fan community. ♥️🩸
Event Horizon Telescope @ehtelescope.bsky.social We are the Event Horizon Telescope: a global collaboration that captured the first-ever image of a black hole using a virtual Earth-sized telescope.
Instagram, Facebook, Twitter, Mastodon: ehtelescope
eventhorizontelescope.org
Dr. Lucky Tran @luckytran.com Scientist, science communicator, public health & climate justice advocate
Biology PhD from Cambridge
WHO Fides member, Grist 50 Fixer, Creative Change alum
New Yorker/Aussie
Opinions my own
https://instagram.com/luckytran
http://linktr.ee/luckytran
Abir Al-Sahlani @abiralsahlani.bsky.social Member of the European Parliament. Centerpartiet, Sweden.
George Musser @georgemusser.com contributing editor, Scientific American, Nautilus; contributing writer, Quanta; author, Putting Ourselves Back in the Equation, Spooky Action at a Distance, Complete Idiot’s Guide to String Theory; planetary scientist, local historian, bassist, salsero
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Mike Duncan @mikeduncan.bsky.social History podcaster/author. Revolutions + The History of Rome
Aidan McGlynn @aidanmcglynn.bsky.social Glaswegian philosopher based at the University of Edinburgh, mostly working on issues in epistemology and feminist philosophy. Co-editor of Hypatia, research associate at ACEPS, University of Johannesburg. He/him. https://sites.google.com/site/aidanmcglynn
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
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
Dr Jake Taylor @astrojake.bsky.social Astrophysicist at the University of Oxford. Researching the atmospheres of exoplanets.
Daniel | ScienceSocks et al. @sciencesocks.bsky.social Orbit in style with science socks, space jewelry, and beyond. Stellar gifts for scientists, engineers, and astronomy lovers.
ScienceSocks.co
Andrew Pontzen @apontzen.bsky.social Prof and director of the Institute for Computational Cosmology, Durham University. Author of THE UNIVERSE IN A BOX http://pontzen.uk/book
Doris Vickers @dorisvickers.bsky.social Historian of Astronomy | PhD student @univienna | Etymology task group chairperson IAU WG Star Names | Content manager @astronomyportal
Astronomical Society of Edinburgh @astronomyedinburgh.bsky.social We love sharing our passion for astronomy. We've been holding meetings in Edinburgh since 1924. Come to one of our meetings, in person or online - visitors are always welcome.
#astronomyedinburgh #edinburgh #scotland
www.astronomyedinburgh.org
Alex Dainis PhD 🧬 @alexdainis.bsky.social Science communicator talking about genetics, biology, chemistry, and blimps. She/her
Dr Patience Kiyuka @pkiyuka.bsky.social Research scientist and science communicator
#SciComm #womeninscience https://www.patiencekiyuka.com
Miranda Gorsuch @mirarenee.bsky.social Physics grad working in observational cosmology. Nerd of many things: pixels, dnd, books, music, anytime someone is excited about their interests, art.
Opinions are my own, as they always have been
Julia Milton @yuliamilton.bsky.social Working on telescopes, quantum sensing, and disaster response. UMich and MIT alum. Views my own.
Dorian J. Burnette @djburnette.com Associate Professor of Atmospheric Science, Department of Earth Sciences, University of Memphis | Historical reconstruction, dendroclimatology, extreme events, storm chasing
Website: http://www.djburnette.com
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
SciComm Excellence @scicommexcellence.nationalacademies.org The National Academies of Sciences, Engineering, and Medicine's home for excellence in #scicomm.
https://www.nationalacademies.org/awards/excellence-in-communication
SXS Collaboration @sxs-collaboration.bsky.social We develop and run supercomputer code for numerically simulating black holes, neutron stars, and beyond.
SXS = Simulating eXtreme Spacetimes
🌐 https://www.black-holes.org/
Dr. Sean Peters @siprocks.bsky.social Visiting Assistant Professor @ Middlebury College | PRESSURE | Volcanologist 🌋| Planetary geologist 🌍 | Former ALT 🇯🇵| Writer ✍🏾 | Traveler 🧳 | Wannabe Lego enthusiast 🧱
sipeters.com
Stress, Aging, and Relationships Lab @starlabteam.bsky.social We study love and loss across the lifespan and discuss the latest advances in stress science.
Lab website: www.ryanlinnbrown.com/starlab
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
Alejandro Lumbreras-Calle @alumbrerasc.bsky.social PhD in Astrophysics. UCM, IAC, and now a postdoc at CEFCA (Teruel, Spain). Star-forming galaxies and galaxy evolution.
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
Nicolas Vandewalle @vdwnico.bsky.social Professor at University of Liège, Belgium. Director of the http://www.GRASP.uliege.be
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
Astronomy on Tap HQ @astronomyontap.bsky.social 🌟Scientists & educators reveal how they explore the Universe, at bars & pubs around the world!🌟HQ account, follows satellite locations, organizers, & venues🌟 astronomyontap.org
Melanie Mitchell @melaniemitchell.bsky.social Professor, Santa Fe Institute. Research on AI, cognitive science, and complex systems.
Website: https://melaniemitchell.me
Substack: https://aiguide.substack.com/
Alessandro Torcini @torcini.bsky.social theoretical physicist #complexsystems #computationalneuroscience #Neuroscience #statisticalphysics #synchronization #neuroskyence #compneurosky #complexity
CY Cergy Paris University (France) @cy-univ.bsky.social
web: https://perso.u-cergy.fr/~atorcini/
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. 
astrosocaus.bsky.social @astrosocaus.bsky.social The Astronomical Society of Australia is an organisation whose members contribute to the advancement of Australian astronomy and related sciences.
Virginia Kilborn @drgin.bsky.social Chief scientist at Swinburne University in Melbourne. Astrophysics professor studying galaxy evolution and gas clouds, mainly through neutral hydrogen using radio telescopes but I’ve been known to use other wavelengths too…
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
Juan José García-Ripoll @jjgarciaripoll.bsky.social Quantum physicist and proud uncle. Opinions are my own. RT is not endorsement.
Group: https://quinfog.hbar.es
Me: https://juanjose.garciaripoll.com
Rod Van Meter @rdvquantum.bsky.social Quantum Computing systems, Quantum Internet, quantum education.
Caltech, USC, Keio.
West Virginia, LA, Kamakura.