arXiv @arxiv.bsky.social We're arXiv, the open access repository sharing discoveries and breaking down barriers to cutting edge science for over 30 years.
Prof Jim Wild @jim-wild.bsky.social President of the Royal Astronomical Society, Professor of Space Physics at Lancaster University and lover of all things spacey. Fell-runner, EV enthusiast, film/soundtrack geek and curry fan. My own views etc.
Robin Ince @robinince.bsky.social Patreon.com/robinince for blog posts and podcasts
Led By Donkeys @ledbydonkeys.org Art, Activism and Accountability
https://linktr.ee/ledbydonkeys?utm_source=linktree_admin_share
Nicole Yunger Halpern @nicoleyh11.bsky.social Theoretical physicist (quantum information + quantum thermodynamics) at QuICS, author of Quantum Steampunk: The Physics of Yesterday's Tomorrow
Daniel Baumann @dbaumann.bsky.social Professor of Theoretical Cosmology at University of Amsterdam | Chee-Chun Leung Professor of Cosmology at National Taiwan University | Director of LeCosPA, NTU.
Steve Shives @steveshives.bsky.social YouTuber. Co-host, Ensign's Log and Late Seating podcasts. Social justice advocate. Tries to do good. He/Him
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Bantshire University @bantshireuni.bsky.social We throb knowledge, we pulse excellence. Ranked No.1 in the UK for Canteen Facilities (CEF, 2024). Vice-Chancellor Vince Chancelier (He/VC). Parody.
Commander Sterling @commandersterling.bsky.social Stephanie Sterling. Writer for Vampire Survivors, Date Everything, & Quantum Witch. Transfem She/Them Polyantagonist. Also a pro wrestler. Currently accepting writing gigs for cool games by cool people.
John C. Baez @johncarlosbaez.bsky.social Mathematical physicist
Lancaster UCU @lancasterucu.bsky.social Lancaster University and College Union (UCU) branch
https://lancasterucu.home.blog/
21 Group @21group.bsky.social The 21 Group campaigns against the complaisant acceptance of bullying by UK Universities. We provide support for those experiencing bullying in academia.
Picard Tips @picardtips.bsky.social Wishing for a thing does not make it so.
By @JoeSondow.bsky.social
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
Bob Coecke @coecke.bsky.social Chief Scientist at Quantinuum, ex Oxford Professor, author of Picturing Quantum Processes & Quantum in Pictures. Also, composer/musician at Black Tish, inventor of Quantum Guitar, playing duets with orchestral organ.
Worf Email @worfemail.bsky.social My email signature is not your concern.
By @JoeSondow.bsky.social
Paul F. Tompkins @pftompkins.bsky.social TV & standup & improv & podcasts, hardly any movies
paulftompkins.com/live
Jessie Gender @jessiegender.bsky.social Director & Writer | IDENTITEAZE film | YouTuber | former writer/video producer at Gamespot, The Advocate, Microsoft, Out Magazine, Rotten Tomatoes, & Skybound | Trekkie by birth
https://www.jessieearl.com/
Riker Googling @rikergoogling.bsky.social It’s okay, I’m in incognito mode.
By @joesondow.bsky.social
In Otter News @in-otter-news.bsky.social The life and times of Steve the otter...
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
Cheyenne Polius @cheyennepolius.bsky.social Astrophysicist | Data Analyst | Founder of LUNAA Journeys | Social Media Director for Black In Astro
Dr. Divya (🔔 logged out - health emergency) @divyampersaud.com I am having a health emergency and have to be offline. My posts are scheduled with an app. I verify & host the funds for all the families I post. https://linktr.ee/divyamp 🧿
[Icon: b&w photo of a brown woman in suit & bowtie. Banner: a dark red color]
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
🪐Ashley 🔭 Lindalía☄️ @that-astro-chic.bsky.social Astrochemist ⚗️ | Planetary Scientist 🔭 | The Realest In The Streets | Founder of BlackInAstro | Fairy Godmother of Astro 🧚🏽♀️| Astronomy's fave hype woman| NASA FINESST| Ice Queen 🧊🌨| Planetary Science Doctoral Student|
Dr. Caprice Phillips @capricephillips.bsky.social NHFP Sagan Fellow@UCSC 🍌🐌|RCSA Fellow| Chancellors Postdoctoral Fellow| brown dwarfs & exoplanets| Black In Astro VP|plan(e)t mom 🪴/🪐|she/her/hers
Website: https://capricephillips.space
Bugatti Spaceships 🚀 👩🏾🚀 @astronaia.bsky.social To God be the Glory | Aerospace Engineer | PhD Student | NASA Space Fellow | #ForbesUnder30 | Future Astronaut ✨ she/her | opinions mine
https://linktr.ee/astronaia
Arianna Long @astroarianna.bsky.social professor studying galaxy evolution & cpo at vanguardstem
servant to my dog. simultaneous coffee + tea snob. dancer. writer.
#BlackinSTEM | autizzy | she/they
Victor Oyiboka @astrovictor.bsky.social Planetary Scientist & Astronomer. Physics PhD student at the University of Texas at Dallas. Interested in the study of Exoplanet Detection and Characterization
BlackinXNetwork @blackinx.bsky.social #BlackInX are movements to address anti-Black racism, social justice, help others, & celebrate excellence. Acknowledging all X orgs prior. retweets≠endorsements #unityminusracists #officialaccount
mariah jones🦕 @mariahjones.bsky.social astrophysics researcher🔭
undergrad at Vassar College '25🎓
just a young black girl trying to explore the galaxy 🌌 
Brandon Lazard @ra1sinbran.bsky.social Staff Scientist @ HelicitySpace |
Solar Physics Connoisseur |
#BlackinAstro, #BlackinPhysics |
M.S. Space Physics @ UCLA |
B.S. Physics/Astronomy @ UT Austin |
He/Him
https://brandonjlazard.github.io/
Erin Cox @sparkledarkness.bsky.social into the mountains i go
Dr. Andrea S. Bryant @andreabryant.bsky.social 🌕LunaSCOPE Postdoctoral Fellow at Brown University
🪐Planetary Seismologist & Astrophysicist
📍Providence, RI
andreabryant.space
Dr. Amber Lenon @amberkiana.bsky.social Data Scientist • Physicist • Soccer ⚽️ • Gamer 🎮
Prof. Carl E. Fields 💥 @carlnotsagan.github.io Computational Astrophysicist and Assistant Professor @uarizona.bsky.social & @stewardobservatory.bsky.social. #Forbes30u30, Science 2021. He/Him. carlnotsagan.github.io.
Jarita Holbrook @astroholbrook.bsky.social Indigenous/Cultural Astronomy, Science & Technology Studies, Documentary Filmmaker 
Dr. Eileen Gonzales @egonzales788.bsky.social Assistant Professor at SF State | Black In Physics director | Researching brown dwarf atmospheres and their clouds in the Cloud | #BlackandSTEM | #LatinaInSTEM | lindy hopper 
Xavier Lesley @zave.bsky.social Ohio State Astronomy PhD student working on stars and exoplanets | Afro-Latino | he/him
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, 🔭✝️
Comments, RTs, likes are all me and represent on one else
Christian Aganze @caganze.bsky.social Postdoc at Stanford interested in stellar streams and dark matter
https://caganze.github.io/
Dr. Kiersten Boley @kierstenboley.bsky.social NHFP Sagan Fellow at Carnegie EPL | Exoplanets 🌍 | Avid Scuba Diver 🤿
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. 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
Dr. Sinclaire Manning @sinclaire-manning.bsky.social astronomer, soccer lover, procurer of chill vibes ☘️ | she/her
Mehmet Mars Seven ♞ @mehmetmars7.bsky.social Lecturer @kcl-spe.bsky.social @kingscollegelondon.bsky.social
Game Theory, Econ & CS, Pol-Econ, Sport
Chess ♟️
Game Theory Corner at Norway Chess
Studied in Istanbul -> Paris -> Bielefeld -> Maastricht
Views are my own
Tim Howles @timhowles.bsky.social Research Fellow, University of Oxford
Theology, philosophy, ethics, politics, environmental humanities
Associate Director @LSRIOxford
Anglican Priest
https://www.theology.ox.ac.uk/people/revd-dr-timothy-howles
Alberta Tech @albertatech.bsky.social I make funny videos about tech + AI
ex-google engineer (but in a fun and chill way)
beacons.ai/albertatech
Sylvia Wenmackers @sylviawenmackers.be Philosopher of science stuck between two infinities. ε<🦉<∞
Exploring the scenic route to wisdom. 🍀
Avatar: sketch by former student. Banner: Cousin's 1560 Livre de Perspective.
🦣>🦋 My primary social media account is https://scholar.social/@SylviaFysica
Coffeezilla @coffeezilla.bsky.social Internet Detective Exposing Scams. Follower of Jesus.
Support Investigative Journalism: http://patreon.com/coffeezilla
Signal Tipline: coffeezilla.01
Alt USAID/ USAID Forever @altusaid.altgov.info They tried to bury us. They didn't realize we were seeds.- J Gordon: Divine Snark-lein @jgf.bsky.social Snarky critical theorist. Philosophy music, literature, dogs, Arsenal and Sussex not nec in that order. Retired and still too busy.
Timnit Gebru @timnitgebru.blacksky.app Personal Account
Author: Deep Unlearning (you can now preorder at https://shorturl.at/sCdjl)
Founder: The Distributed AI Research Institute (https://dair-institute.org)
Maddy Thorson @maddymakesgames.com Madeline Stephanie Thorson
makes games ~ Celeste, TowerFall, etc
🏳️⚧️ gender criminal
maddymakesgames.com
Mariam Campbell @mariamcampbell.bsky.social Theoretical cosmologist. Dabbling in astrophysics, too. 🇿🇦.
Orddu, Orwen, or Orgoch @troynovaunt.bsky.social she/her. English literature, medievalist, singer in the band, recovering indoor cat. In both research and life, resisting being reductive about religion. I don’t speak for my institution, and it doesn’t speak for me. Expect posts about academic freedom.
Rebecca Watson @skepchick.org is this the one that wins
Jeremy Corbyn @jeremycorbyn.bsky.social MP for Islington North
Rian Lund Dahlberg | they 🏳️⚧️ @rldahlberg.bsky.social Director of the Board of Higher Education and Workforce @nationalacademies.org | queer on all axises | can’t exist according to USG | nerd about most things | all words here mine | check out my team’s work: www.nas.edu/bhew
Aaron Reeves @aaronreeves.bsky.social Professor of Sociology, LSE - http://aaronreeves.org/ - New Book: Born to Rule: https://www.hup.harvard.edu/books/9780674257719
Geraint Jones @baralawr.bsky.social Project Scientist for the BepiColombo mission at the European Space Agency. Very amateur photographer & doodler. Cymro.
Grand Matriarch of the Fruitcake Fleet @fruitcakefleet.bsky.social An evacuee from FB with a "totally healthy" obsession with her rabbits.
Chet Faliszek @chetsucks.com I make games - co-op games - Left 4 Dead, portal, etc - now The Anacrusis.
Kelly Weinersmith @weinersmith.bsky.social A big nerd. Co-author of NYTimes Bestsellers Soonish & A City on Mars. Co-host of Daniel and Kelly's Extraordinary Universe. She/her
www.weinersmith.com
Kutand Alkım Bayer @kutandalkim.bsky.social IZTECH-Chemistry, I like to be Polymath(learning different subjects), Polygot(interested in the learning different languages) comments and opinions are my own RT≠ is not endorsement (he/him)
The Flat Universe Society @flatuniverse.bsky.social Like the Flat Earth Society, but way bigger. And way less wrong. Ω = 1
Join the FU Society today!
@porcoesphino.bsky.social @porcoesphino.bsky.social Exploring the world • Programmer • Flying • Scuba
Ex-mechatronics grad learning more about geology and biology and refreshing my maths and physics
(Also, set "alt text before posting" in accessibility.)
https://porcoesphino.github.io/phylogeny/
Closer to Truth @closertotruth.bsky.social 24 seasons and counting exploring fundamental questions in Cosmos, Life, Consciousness, and Meaning with the world's top thinkers and scientists.
Kleber Victor #followback @kleber-victor.bsky.social Atheist, Skeptic, Geek, Nerd, Human,🏳️🌈⬇️↕️
I post interesting things, check and follow if you like.
🚫 Crypto 🚫Content 🚫 Begging money 🚫 Sale 🚫 Bot
John Bird @johnbird001.bsky.social Ph.D. atmospheric scientist🌎, nuclear engineer☢, 📰 #antarctica
South Pole Station 🐧 http://amzn.to/2klpv3b 🐧
Joppe Widstam @joppewidstam.bsky.social My mom thinks I should do something more useful with my life than a PhD in foundations of physics. Little does she know that my back-up plan is philosophy of language.- L L. A. Paul @lapaul.bsky.social Professor of Philosophy and Cognitive Science
Yale University
author of Transformative Experience and coauthor of Causation: A User’s Guide
Eugene Y. S. Chua @eugenechua.bsky.social Nanyang Assistant Professor at Nanyang Technological University, Singapore. Formerly postdoc faculty at Caltech.
I work on philosophy of physics and philosophy of science. More at https://eugenechua.com
BA Cambridge '17, PhD UC San Diego '23.
David Papineau @davidpapineau.bsky.social King's College London. Working on mind, metaphysics, and science.
davidpapineau.co.uk
Enno Fischer @ennofischer.bsky.social Philosopher of Science | JProf at TU Dresden | ennofischer.weebly.com
Matt Farr @mattfarr.bsky.social Philosopher of science @ Cambridge • Directionless time and other such oddities • 🏃🥁☕️⚽️ • mattfarr.co.uk
Brad Weslake @bweslake.org Associate Professor of Philosophy, NYU Shanghai • https://bweslake.org/
Jørn Kløvfjell Mjelva @jkmjel.no PhD in Philosophy at the University of Oslo, specialising in Philosophy of Physics. Drug reform activist. Politically engaged.
Simon Friederich @simonfriederich.bsky.social Philosopher of science at University of Groningen; quantum foundations, philosophy of technology
Jonte Hance @jonterhance.bsky.social Lecturer (Asst Prof) in Weird Quantum Stuff at Newcastle University (they/he) | queer, autistic academic | http://jontehance.com
Zee Perry @zeeperry.bsky.social Metaphysics and Philosophy of Physics. Employers have included: UBham, Rutgers, NYU±Shanghai. Formerly on twitter as @Zee_Perry
Likes: quantities, anti-Humean laws
Dislikes: Fascists
Baptiste Le Bihan @baptistelebihan.bsky.social Philosophy of science, metaphysics (PhD, habilitation).
Space, time and quantum gravity. Assistant Professor. Swiss NSF Starting Grant: http://SpaceQG.com
http://baptistelebihan.org
Francesca Vidotto @francesvidotto.bsky.social #Loopy #Physicist ㋛ with a taste for #Philosophy #SciArt & politics. She/Her. @CSIC.es researcher. Posts my own.
Loop Quantum Gravity #Feminist
Sam Friedman @samfriedman.bsky.social Professor and Head of Department at LSE Sociology, Co-Editor British Journal of Sociology. Research: class, culture, elites, social mobility. Books: Born to Rule, The Class Ceiling, Comedy and Distinction
Jim Weatherall @jamesowenweatherall.com Philosopher, physicist, mathematician / Chair of LPS @ UC Irvine / EiC of Philosophy of Science / Poultry enthusiast fancier / Irish Step Dancer
Stephan Hartmann @stephanhartmann.bsky.social Philosopher of science and Co-Director of the Munich Center for Mathematical Philosophy at LMU Munich. Interested in formal epistemology, social epistemology, philosophy of physics and cognitive science. Website: http://stephanhartmann.org
My Kicks @hikemix.bsky.social Philosopher in Glasgow, working on laws of nature, physics, and artificial intelligence. Researching bullshit but not a bullshitter.
H.K. Andersen @hkandersen.bsky.social Philosopher and historian of science at Simon Fraser University, working on explanation, causation, pragmatism, time. Very geeky about science fiction/fantasy. Also photography. she/they
Philosophy of Science @philscijournal.bsky.social The official journal of the Philosophy of Science Association. Dedicated to the furthering of studies and free discussion from diverse standpoints in PhilofSci.
https://www.cambridge.org/core/journals/philosophy-of-science/latest-issue
ERC project RESCALE @erc-rescale.bsky.social Our team investigates the historical development and philosophical implications of scale-based theoretical practice in contemporary physics (https://erc-rescale.com)
PI: Sébastien Rivat (sebastienrivat.com)
Michael Cuffaro @cuffaromichael.bsky.social Philosopher of Science, Musician, Programmer
https://michaelcuffaro.com/
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Physics Magazine @physicsmagazine.aps.org Exploring the people, ideas, and stories behind physics research.
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
EU Philosophy of Astronomy & Cosmology @eu-phil-cosmo.bsky.social Events, publications & news about the philosophy of astronomy & cosmology, especially within the EU. Posts by the UPAC research group, uu.nl/upac
X: @EU_phil_cosmo
Mastodon: @EU_phil_cosmo@hcommons.social
Raymond Mumme @rpmumme.bsky.social Grad Student in Comp Sci @ UIUC @uofigrainger.bsky.social | Former Sr. Research Asst. in Radiation Physics @ Univ. of Texas MD Anderson Cancer Center @mdanderson.bsky.social, developed AI for RPA https://rpa.mdanderson.org | 🏳️🌈 he/him | Views are my own
Bryan Roberts 🏳️🌈 @soulphysics.bsky.social Philosopher of physics, LSE Professor of Philosophy, Logic & Scientific Method, lost artist, bi/pan (he/him). Speaks 🇺🇸🇫🇷🇲🇽🇭🇷