Deivon Drago @deivondrago77.bsky.social Theoretical physics (and philosophy). Works in higher education. Hatched from a basilisk egg by a bored university committee.
Terrible sense of humor.
Dr. Johnathan Flowers, Bisexual of the Blade (Alt-text or DIE) @shengokai.blacksky.app Martial artist, motorcyclist, pragmatist, comics philosopher, queer phenomenologist.
Assistant Prof @CSUN. Japanese philosophy, race, gender, disability, tech/AI. Inquiries: johnathan.flowers@csun.edu
IRON LORD. Rider of the mind shaitan. He/Him/His 🏳️🌈
Johannes R. Eskilt @johanres.bsky.social Cosmologist - University of Oslo. Trying my best to figure out if cosmic birefringence is real or not.
Stephen Serjeant on W @stephenserjeant.wsocial.eu Backup a/c. Astronomy Prof at Open University. 26.2. #RejoinEU, £➡️€. Views not OU’s and often not even mine. He/him
🐘 https://mas.to/@stephenserjeant
🧵 https://www.threads.net/@prof.stephen.serjeant
ORCID https://orcid.org/0000-0002-0517-7943
Climatologist49 @climatologist49.bsky.social PhD Climate Scientist. Alaska. The Earth is warming because of us. Mooseologist. All opinions are my own. Future FIFA Peace Prize winner. TDS. Signal: Climatologist.49
Foteini Oikonomou @astro-foteini.bsky.social Astroparticle physicist. Exploring cosmic mysteries off the extreme energy cliff. Sunlight enthusiast.
Sam Smith. Not That One. @scsmith4.bsky.social She/her. DO NOT HUG. Tea, books, baking, bicycles. Chocolate. #OU Astronomy student. #ActuallyAutistic. 🏳️🌈
Mags Visaggio - Writer and Writing Coach for Hire 🏳️⚧️ @magsvisaggio.com new york comics writer lady & musician. lambda literary 2025 nominee. GIRLMODE, KIM & KIM, ETERNITY GIRL, VAGRANT QUEEN. I make music as DAISY & JANE.
Laurence Datrier @asleepywanderer.bsky.social Astronomer, occasional artist, sometimes takes pictures
(she/her)
Elise Cutts @elisecutts.bsky.social Science journalist in Austria writing for Quanta, New Scientist, Scientific American, Science, and others. Signal: emc.7243623.
Get my newsletter about the forces that shape how research is done, shared, believed, and acted upon: www.reviewertoo.com
Riley Black 🏳️⚧️ 🦕 @restingdinoface.bsky.social Bronto-queen, big cat, best-selling and award-winning author of The Last Days of the Dinosaurs, When the Earth Was Green, Tyrant Lizard Queen (out October 27), and Megatooth. 🔞 she/they/it. Skreeonk. rileyblack.net
SciAm Union @sciamunion.bsky.social We are the staff of @sciam.bsky.social. Just as mitochondria are the powerhouse of cells, we are the powerhouse of the oldest continually published magazine in the U.S. ✊ wgaea.st/sciam-letter
Roman for Scientists @nancyromansci.bsky.social NancyRomanSci is managed by the Roman Science Centers and provides researchers with the most up-to-date information related to doing science with NASA's Nancy Grace Roman Space Telescope
Patrick Dufour @lephysichien.bsky.social Professeur titulaire, département de physique, Université de Montréal.
https://www.laphysiquedubaseball.ca/
Astrophysicist, interested in sport science, baseball, hockey, crossfit and chess among other things.- J Joshua Pepper @joshuapepper.bsky.social Astrophysicist, Planethunter, fan of functional government
Luke Dones @lukemeister.bsky.social The comet is coming.
Fan of SA Spurs and Toronto Blue Jays
Woke, but sleepy
> 67,800 years old
Really leaning into those raccoon protocols
Tomorrow may never come
For you and me, life is not promised
- Yasiin Bey, Umi Says
🎧 https://www.nts.live/
🪐🐈🦝🦔
Pedro Bernardinelli @pbernardinelli.com Professor of astronomy @ University of São Paulo, PhD from Penn, formerly at UW. Discoverer of minor planets and C/2014 UN271, Brazilian, coffee dependent, geek. He/him/ele, pt-br/en
@knickerbacker.bsky.social @knickerbacker.bsky.social 
Alyssa Drake @abdrake.bsky.social Astrophysicist @ Herts. Brit who was lost in France, German forest & now Hatfield. Ex MNRAS AE. Worried about UK science & in general.
Sara Hastings-Simon 🇨🇦 @shastingssimon.bsky.social Currently on partial medical leave and Associate professor, Dept of Earth, Energy, and Environment, University of Calgary; co-director Electricity Centre; energy/mid-transition/carbon/innovation policy + bikes.
Barred and Boujee aka Madiba Dennie @audrelawdamercy.blacksky.app Words at ballsandstrikes.org, and even more words in The Originalism Trap: How Extremists Stole the Constitution and How We the People Can Take It Back
Out now at tinyurl.com/originalismtrap !
Mark Histed @markhisted.org Lincoln liberal, 2nd inaugural enthusiast.
Information processing in networks. Brains, models, lasers.
Prev: media policy for democracypolicy.network. All views are my own.
linktr.ee/markhisted
neuro: 🧠 /🧪
Leah Crane @leahc.bsky.social Space & physics features editor for New Scientist. No longer quantum, not yet relativistic. She/her/fast/furious.
Mike the Mad Biologist and Trump's Dumpster Beef Inspector @mikethemadbiol.bsky.social I'm a biologist, mad as in angry. Pro-D.C. statehood since 1969.
@mikethemadbiologist@mastodon.online
www.mikethemadbiologist.com
🧪
markmcan.bsky.social @markmcan.bsky.social Tech, science, gadgets, sci-fi, gigs, festivals. Rush superfan.
Previously the Charity Engine guy, so can die happy: www.charityengine.com/grants
Dr. Jenny Morber @jrmorber.bsky.social PNW freelance sci journo, PhD nanosci and materials engineering. World traveler, field reporter. Newly focused on probing solutions to our biggest problems, but still interested in whale anuses and poo. I love the weird things. she/her
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
Dante Atkins @danteatkins.bsky.social Fiona and Rowan's dad, basically. Spider guy, Lefty Dem, pragmatic progressive. Win elections with the majority you have, not the majority you wish you had.
Ko Arimatsu 有松亘 @arimatsu.bsky.social 天文家です.
石垣島天文台 室長 （国立天文台 講師）.
Astronomer at NAOJ.
Namesake of a minor planet 27590.
OASES/PONCOTS/TABASCO project
https://arimatsuko.com
Dr Natasha Fisher-Pearson @natashafp.bsky.social Recent PhD grad studying the gut microbiome and unconventional T cells at the University of Oxford.
#microbiome #bioinformatics #metagenomics #immunology #archaea
Danielle Beckman @daniellebeckman.bsky.social I like brains and microscopes. Interested in Neurovirology
PharmD, MS in Biophysics, PhD in Biochemistry
🇧🇷 Rio 🇺🇸 Sacramento 🇩🇪 Munich
International Society of Long COVID & Post-Acute Infection Syndromes: https://islc-pais.com/
daniellebeckman.com
Dr. Katie I. @hellyeahcorks.bsky.social Hydrothermal geologist/geochemist, postdoctoral researcher. Sciences hard, loves the work. Also makes costumes. Views expressed are mine.
Robert Helling @atdotde.de String theorist, http://thetheoreticaldiver.org, @atdotde@muenchen.social
Cyril Closset @spinozainlove.bsky.social UK-based string theorist. Pro-education as a public good. Random (non)thoughts about this world we share.
DiRAC Institute @dirac-institute.bsky.social The Institute of Data Intensive Research in Astrophysics and Cosmology (DiRAC) at the University of Washington
the-astro-stud @the-astro-stud.bsky.social 🌌 Cosmology PhD student • Writer
📩 inquiries@theastrostud.com
✨ Stay stellar, homies ✌🏾
Ryan Haas @ryanjhaas.bsky.social Oregon-based investigative journalist. | Co-founder thewesternedge.media
Former OPB. Podcast producer, Bundyville, Dying for a Fight, and Hush.
www.ryanhaas.net
Tell me secrets on Signal: ryanjhaas.01
Lisa Grossman @astrolisa.bsky.social Science journalist (current: Science News; past: New Scientist, Wired). 2023-24 Knight Science Journalism fellow. Lifelong astronomy nerd. Queer Jewish mom 🏳️🌈 she/her/hers
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Michael Burns-Kaurin @mburnskaurin.bsky.social physics professor in Atlanta; pedagogy, curriculum development, infusing computation into physics courses (he/him/his)
Assigned Media @assignedmedia.org An independent news website about trans issues, by trans journalists. assignedmedia.org
Support our work: https://www.assignedmedia.org/support
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
László Molnár @lacalaca85.bsky.social Astronomer, ally, dad, 'SeismoLab' Forefront grant PI. I play with space telescopes. Bilingual tweets (ENG/HUN), views my own.
Dr. Teresa Symons @deepspacemine.bsky.social Astrophysicist @caltechipac.bsky.social working on NEO Surveyor 🛰️ | Studies cosmological backgrounds 🌌 and PSF reconstruction 🌠 | she/her
Chuck Borges @chuckborges.bsky.social Father | Combat Veteran | Former PIF | Defender of the Public's Data | https://Chuck4MD.com
It's never wrong to be morally and ethically right with yourself.
Ken Wharton @kenwharton.bsky.social Physics professor at San Jose State. Quantum Foundations. Big fan of space and time, and also many things therein.
Kate Clancy @kateclancy.bsky.social Feminist science professor at the University of Illinois. Labor organizer. Author of PERIOD. Out 8/26: PREGNANCY INTERRUPTED: The Science and Stories of How Pregnancies Really End. Settler, queer. 🍉
Pre-order here! http://bit.ly/4y4DMkB
Sabina Sagynbayeva @sabinastro.bsky.social (astro)Physics PhD. Astrobites alum. From Kazakhstan 🇰🇿. She/her.
Musical theater nerd, so pretty much insufferable.
Statistics, planets, and stellar cartography.
https://ssagynbayeva.github.io
Dr. Luna Z 🌙 @cosmolooney.bsky.social cosmologist | derby rookie 🛼| she/they | 🇷🇸 ➡️ 🇺🇸 ➡️ 🇨🇦 | of material substance
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- J Jorryt Matthee @jorryt.bsky.social Extragalactic astrophysicist. Assistant Prof @ IST Austria - PI of ERC StG-2022 AGENTS. PhD Leiden 2018, Zwicky fellow @ ETH Zurich,2018-2023.
Johannes Margraf @jtmargraf.bsky.social All day I dream about science!
Computational chemistry, machine learning, electronic structure.
https://margraf.uni-bayreuth.de
Harry Turtledove @hntdove.bsky.social Writer: alternate history, other sf, fantasy, historical fiction. Severely allergic to fascism.
Dr Vanessa @hpsvanessa.bsky.social historian of science, medicine, food, sport and exploration; other content generally but not limited to: my dinner, a weird bug, feminist beer 🏳️⚧️, complaining about bad parking. Latest book: tinyurl.com/HigherColder
I really dislike unsolicited advice.
Tracy King @tracyking.bsky.social Author, producer, scicomms, animation. Royal Institution writer-in-residence.
Books:
Learning To Think (Penguin)
The Cost of Trust (Harper Collins)
Tim Minchin's Storm (Orion)
Idavox @idavox.bsky.social The One People's Project News Center. Celebrating our 10th anniversary October 2025!
Slavko Bogdanov @slavkobogdanov.bsky.social Astrophysicist ordinaire. Columbia University.
slavko.org
Ryan J Hollister @phaneritic.bsky.social Earth & EnviroSci Educator, Central Valley equity/sustainability advocate, Hiker, Photographer, 2015 NAGT FW Outstanding Educator. 🌋 Tissue Box Maker.
❤️🏕⛰🏜 w/ @Xenolith & Z.
Janna Levin @jannalevinastro.bsky.social Theoretical Physicist. Astrophysicist. Book lover and writer. Professor Barnard/Columbia. Founding Director of Sciences @PioneerWorks, Founding editor-in-chief of Broadcast. Co-host of @quantamagazine podcast "The Joy of Why"
Jamie Zvirzdin @jamiezvirzdin.com Research: Ultrahigh-energy cosmic rays with #machinelearning at #TelescopeArray. Past: Science editor and #ScienceWriting faculty at Johns Hopkins. Essays: The Atlantic, Orion, Aeon, etc. Book: #SubatomicWriting (JHU Press). I worship MacGyver and Picard.
Colette Delawalla, PhD @cdelawalla.bsky.social Founder & CEO of @standupforscience.net
Standupforscience.net substack.com/@sciencefightclub
PhD in Clinical Psychology
"Colette is brass knuckles...w/ spikes tipped in poison"
“Delusional broad”
"Lady Switchblade"
“Ditsy socialist liberal”
Max Kozlov @maxkozlov.bsky.social science reporter covering biomedical research at Nature | proudly Ukrainian 🇺🇦
maxkozlov.com
signal: mkozlov.01
David Proudfoot @djpthurso.bsky.social 
Ori Fox @orifox.bsky.social Astronomer | @STScI Scientist | HST | JWST | And now Deputy Project Scientist for Roman Space Telescope
Angela Collier @acollierastro.bsky.social Theoretical Physicist.
(She/her/hers)
From Eastern KY.
Caltech IPAC @caltechipac.bsky.social IPAC at Caltech partners with NASA, NSF, JPL, and the worldwide research community to advance the exploration of our Universe. www.ipac.caltech.edu
Esra Bulbul @esrabulbul.bsky.social Research Group Leader at the Max Planck Institute for Extraterrestrial Physics
https://www.ercdarkquest.com/
Sarah Pearson @spacewsarah.bsky.social (she/her)
Astrophysicists, Assistant Professor at U. Copenhagen, former NASA Hubble Fellow at NYU - Dark matter, stellar streams, galactic dynamics. SciComm: writer, talks, YouTube
http://drsarahpearson.com/
Lauren Harper @laurenleharper.bsky.social Daniel Ellsberg Chair on Government Secrecy at @freedom.press. Interested in reducing overclassification, FOIA reform, enforcement of the Presidential Records Act, and preservation of federal records. Opinions mine. Signal leharper.89
Annalee Newitz @annaleen.bsky.social bestselling author * Hugo winner * nerd
latest books: A Wall Is Also a Road, Automatic Noodle, We Will Rise Again
bylines: New Scientist, Flaming Hydra, etc.
pronouns: they/them
all the stuff: www.techsploitation.com
Matthew Buckley @physicsmatt.bsky.social Theoretical physicist, Rutgers professor.
Gregor Kalinkat @gkalinkat.bsky.social science educator & communicator | biodiversity scientist | animal ecologist | guest scientist at @igb-berlin.de
posts in EN and DE, occassionally in ES
https://linktr.ee/gkalinkat
Daisy Bissonette @daisybissonette.bsky.social astrophysics phd candidate @ uchicago
Jonathan Oppenheim @postquantum.bsky.social Quantum mechanic with a lot of ontological baggage.
https://www.ucl.ac.uk/oppenheim/
Alejandro S. Borlaff @asborlaff.bsky.social NASA Space Scientist at Ames Research Center. Astrofísico. Desarrollando telescopios espaciales y protegiendo el Cielo Oscuro. cps.iau.org. Views are my own.
Rachel Ellingbø-Cameron @vanadissaves.bsky.social "An eternity of happiness" per a local Cosmologist. Cloudberry enthusiast + sauna ambassador. Former classic yacht dweller.
Please tell your pets I say "Hi!"
This is a "mansplain" free zone.
Adam Gurri @adamgurri.liberalcurrents.com Founder and Publisher of Liberal Currents
liberalcurrents.com
Signal profile adamgurri.41
Threads handle adamgurri
@markneyrinck.bsky.social @markneyrinck.bsky.social 
Pablo Carlos Budassi @pablocarlosbudassi.bsky.social he/they
Infographics and space art! 🔭✨
Active at @thecelestialzoo.bsky.social
Prints & merch available 🌌👇 pablocarlosbudassi.com
Astropierre @astropierre.com Médiateur scientifique, conférencier et chargé de projets. #Freelance
Ici, on parle de science, mais pas que...
Posez-moi vos questions, ça ne coûte rien ;)
Dr. Jess Hebert @jesshebert.bsky.social HEE-bert | PhD, MCR | Assistant Professor, OHSU | Kidney/Repro/DOHaD scientist | #TeamPlacenta | The PDX Broadsides chanteuse | Mama | 85% Muppet by volume | https://jesshebert.carrd.co/
Julien Girard @juliengirard.space astronomer, scientist and coronagraphist at STScI, exoplanet portraitist, extreme turophile, father, grumpy urban farmer hobbyist
he/him
views EN FR ES my own
https://linktr.ee/juliengirard
🦋 🐘 @djulik on 🦤
Tara C. Smith @aetiology.bsky.social Collector of social media sites. Infectious disease epidemiologist. Writes about vaccine hesitancy, science misinfo, zombies. Probably somewhere on a trail. Views own etc.
Eugene Lim @tukohbin.bsky.social Professor of Theoretical Physics at King’s College London doing cosmology, gravity, astrophysics and string theory. GRTL Collaboration and UK Numerical Relativity. Views my own. Penang-lang. YNWA
Matt Hilton @matthilton.bsky.social Astrophysics professor at the University of the Witwatersrand, Johannesburg
Instituto de Astrofísica de Canarias (IAC) @iacastrofisica.bsky.social Canal oficial del Instituto de Astrofísica de Canarias #IACastrofísica y de los Observatorios de Canarias #OCAN. Nos apasiona el Universo 🌌🔭 www.iac.es
Brandon Hensley @bhensley.bsky.social Astrophysicist trying to understand our dusty universe
Nereide @drnereide.bsky.social Physicist interested in Astrophysics and Particle Physics| Research in Math and Science Edu| Math and Science Writer| Teacher and Teacher Trainer
My blog: https://www.tutto-scienze.org/
More about me: https://www.linkedin.com/in/annarita-ruberto-3970507/
David White @dwhite10701.bsky.social Things can get much better.
Nathan Williams @bluebirdadventures.bsky.social PhD Planetary Scientist & Applied Science Systems Engineer @NASA/JPL-Caltech.
He/Him/His
Personal account; all views are my own.
I think I'm quite ready for another adventure!
Join me, won't you?
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
A. Sokołowska @sokolowska.bsky.social Im a physicist working in planetary science at Imperial.
Angela Marusiak @planetaryquakes.bsky.social Planetary scientist looking to see what’s shaking in our solar system, currently an Asst. Research Professor at LPL. Thoughts are my own, not my employers 🪐 🚀🌔
JA Grier, Ph.D. @jagrier.bsky.social compassion, planetary science, quilling, poetry, nonbinary, fountain pens, pagan, sci-fi, horror, fantasy, cats, wine, disability, trans, ee/em/eir, witchy, yoga, land back, reparations, none are free 'til all are free, goofball
Starzanplanets @starzanplanets.bsky.social Astrophysics | Planetary Science | American Astronomical Society Journals | “Centaurs” AAS/IOP book | DEIA | LGBTQIA+rights | photography
Space Coast Talon @brashtech.bsky.social Born to love 🪐, forced to live on 🌎. Professor of physics, knitter of things, drawer of earnest pictures, planetary astronomer.
Goal: Spiral back into control.
My opinions are my own, and not my employer's.
@astroaddie.bsky.social @astroaddie.bsky.social 
Jennifer Hanley @jenniferhanley.bsky.social Planetary Scientist. Mom. #BillsMafia
Nat Stephen @natstephen.bsky.social Director (Science & Engagement) for @geolsoc.bsky.social | Academic at Imperial | #FirstGenPhD 🎓 #geology #Mars #meteorites #ElectronMicroscopy 🏳️🌈 She/Her - Views my own
Dr. Szilárd Gyalay 🪐 @szilardgyalay.com Follow my adventures as a planetary scientist! At SETI/NASA Ames. UCSC & UCLA alum. Time Person of the Year 2006. He/him/ő. Views are my own.