Jonathan Byrd @jonathanbyrd.bsky.social Preacher’s kid, Gulf War vet, songwriter, teacher, physics student 
Matt Miles @astromattmiles.bsky.social Astrophysicist! Lover of all things gravitational waves, pulsar timing, black holes, and neutron stars | MeerKAT Pulsar Timing Array | Parkes Pulsar Timing Array | he/him
David Keitel @dkeitel.bsky.social gravitational waves researcher at @iac3.uib.cat / @uib.cat in Palma, Spain
Anıl Zenginoğlu @anilzen.bsky.social Scientist working on waves, black holes, hyperbolic geometry, and optimization. Chasing light to infinity. Seeking resonance.
Black Hole Perturbation Toolkit @bhptoolkit.bsky.social The Black Hole Perturbation Toolkit brings together software and data relating to black hole perturbation theory. http://bhptoolkit.org.
An extensive list of papers that have used the BHPToolkit can be found here: https://bhptoolkit.org/users.html
William G. Lamb 🏴 @astrolamb.bsky.social 📡 NANOGrav Research Assistant
🔭 PhD in Astrophysics, Vanderbilt University, Nashville TN
🏴 Siaradwr Cymraeg o Eryri
👽 US “Resident Alien”
🎓 Uni of York Alumnus
🐱 Dad of WiggleWorm
🏊🚲🏃Triathlete
💃 Swing Dancer
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/
Samaya Nissanke (she/her) @samayanissanke.bsky.social Astrophysicist, gravitational waves and multi-messenger astronomy, working mother, European + 🌍 @ ❤️, British + born in London UK, professor at the University of Potsdam, DESY & German Centre for Astrophysics (DZA); also @GRAPPAcentre at Univ. of Amsterdam.
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
Aditya Vijaykumar @adivijaykumar.bsky.social CITA Postdoctoral Fellow: LIGO and gravitational waves. (Ex-?)theatre artist. @alsogoesbyV on Twitter.
Website: adivijaykumar.github.io
Corey Gray @corey-m-gray.bsky.social ISFJ,Blackfoot,Scottish, Washington, PNW,
Backpacker,Salsa Dancer,Traveler,LIGO, Gravitational Waves
https://linktr.ee/corey_m_gray
The Shire-Reckoning @shire-reckoning.bsky.social The events of Tolkien's Lord of the Rings, tweeted at the date and time they occurred, using Oxford, England local time. The complete archive of entries, with commentary, can be found at https://shire-reckoning.com/
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
Gareth Hanrahan @mytholder.bsky.social He/Him. Novel THE DUNGEON BOOK out August '26. Currently writing: Black Iron 4, The Dreadful Heir, Terraforming Mars rpg, Metadungeon!, PISCES, Tunnels & Trolls, too much tbh
John Bull @garius.bsky.social He/Him. Writer. Historian. Host of "The Untitled History Podcast." Strategy streamer. Tech Strategist. Founding Editor of @lonrec. Orient fan. Business/Writing: business@longformist.co.uk. Agent: @pastpreservers.bsky.social- F Fred Rasio @fredrasio.bsky.social Astrophysicist at CIERA
Prof Stephen Serjeant @stephenserjeant.bsky.social 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 0000-0002-0517-7943 https://orcid.org/0000-0002-0517-7943
Rebecca McElroy @breaky.bsky.social 🇦🇺🏴🏳️🌈
Astrophysicist, artist, cat mum
Research Fellow @ University of Southern Queensland
Web: rebeccamcelroy.github.io
Art: instagram.com/paintingbybex
Buy my designs: paintingbybex.redbubble.com
she/her 🌈
Gavin Lamb 🇳🇿🇬🇧🏴☠️ @drgavinplamb.bsky.social (He/Him) Astrophysics researcher at the Astrophysics Research Institute, LJMU, UK. My interests include gamma-ray bursts and gravitational wave sources.
Akira is my go-to manga; I still have Arcane living rent-free in my head, mundus sine caesaribus
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
samuel mehr @mehr.nz i am a cognitive scientist studying auditory perception at the University of Auckland and the Yale Child Study Center 🇳🇿🇺🇸🇫🇷🇨🇦
lab: themusiclab.org
personal: mehr.nz
intro to my research: youtu.be/-vJ7Jygr1eg
book: WHY WE HEAR WHAT WE HEAR (2028, Bloomsbury)
Bear and Gizmo @booplefloof.bsky.social Welp. We’re here now too 
Imani Gandy @angryblacklady.blacksky.app 3 dogs. 2 kitchens. Zero chill. | Lawyer | Journalist | Host of B*tch, Listen podcast | abortion rights are, like, 80% of my personality | skeets are the opinion of your employer. | Colorado, America🏳️🌈
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)
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
Tays Miranda @taysmiranda.bsky.social Uma brasileira
JRC in Early Universe Cosmology @ LPENS 🇫🇷 | 🐱 Cat lover | 🎨 Watercolour enthusiast | she/her
Daniel Williams @daniel-williams.co.uk I'm an astronomer at @uofgravity.bsky.social working to understand ripples in the Universe (gravitational waves) made when dead stars (black holes and neutron stars) crash into each other.
(he/him | e/esan)
Tha mi nam neach-ionnsachaidh.
🏴🏳️🌈🏉⛰️🚴♂️🏃♂️🚣♂️
💀Adina Feinstein PhD 💀 @afeinstein20.bsky.social asst prof | astronomy PhD | MSU | https://adina.feinste.in
Elakha Alliance @elakhaalliance.bsky.social We're a 501(c)3 non-profit working to make Oregon’s marine and coastal ecosystems and communities more robust and resilient by restoring a healthy population of sea otters to the Oregon coast. #elakhaalliance
@caitlinwitt.bsky.social @caitlinwitt.bsky.social 
Amanda Weltman @weltwoman.bsky.social Physicist/Astrophysicist in Cape Town, South Africa
Julia Language @julialang.org Julia is a high-level, dynamic programming language built for technical computing.
Official Bluesky account of the Julia Language Project
#JuliaLang
Todd Stashwick @realtoddstashwick.bsky.social I’m a Paladin in VisionQuest. I’m a Shaw in Star Trek. I’m a Deacon in 12 Monkeys. I’m a D&D Dungeon Master. Sometimes I write - Marvel 1943 Rise of Hydra, ProgCore. Son, husband, dad, non-cynic Half-elf scoundrel. https://linktr.ee/tstashwick
Michael Puerrer @michaelpuerrer.bsky.social Gravitational wave astronomy, AI/ML, data analysis & source modeling for mergers or black holes and neutron stars
Physics & Center for Computational Research @ University of Rhode Island
Olivier Minazzoli @ominazzoli.bsky.social Astrophysicist, specialist in relativity -- pro open-knowledge, open-source and open-data. Linux user since Debian Potato. Personal account. I like zero-knowledge, but only for proofs (zkp FTW). https://www.oca.eu/fr/olivier-minazzoli
Felicia Day @felicia.day Actor. Writer. Producer. Internet Native. “Lost Daughter of Sparta” out March 17, preorder now! https://bit.ly/LostDaughterOfSparta
Sandip Roy @roy-physics.bsky.social Theoretical particle astrophysics PhD student at Princeton.
William Thompson @wrtastro.bsky.social Herzberg Instrument Science Fellow at the National Research Council in Victoria, Canada. Imaging exoplanets and writing #JuliaLang tools.
Michelle Collins @runningastronomer.bsky.social ✨Astronomer searching for and studying the faintest galaxies in the Universe ✨co-host of the @starxiv.bsky.social podcast ✨ Enthusiastic-but-mediocre runner 🏃🏻♀️ vegan 🌱 She/her
Institute of Astronomy, Cambridge @cambridgeastro.bsky.social News, public events, and research highlights from the Institute of Astronomy at the University of Cambridge
https://www.ast.cam.ac.uk/
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.
Soumendra Roy @soumendraroy.bsky.social Full Time Physicist, Part Time Statistician. Currently PhD Student in Gravitational Waves at Stony Brook University.
SLMath (MSRI) @mathmoves.bsky.social The Simons Laufer Mathematical Sciences Institute (SLMath) in Berkeley, California (formerly MSRI). Learn more at slmath.org or http://linktr.ee/mathmoves. - S Sean McGee @seanlmcgee.bsky.social Astrophysicist at the University of Birmingham
Dr. Gerard van Belle @fringedoctor.bsky.social Active astronomer, intrepid interferometrist, doting dad, happy hubby, heuristic homebrewer, lapsed pilot, former Director of Science at Lowell Obs. Asteroid 25155 van Belle.
Peter Tuthill @spiralstar.bsky.social Astronomer
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
Kenneth Carrell @kennethcarrell.bsky.social Modern Jedi Knight
Astronomer/Astrophysicist
www.KennethCarrell.com
Adam Brazier @adambrazier.bsky.social Convincing British accent
Niels Warburton @nielsw.bsky.social Assistant Professor at University College Dublin. Researcher in gravitational wave science. Spokesperson for the LISA Consortium.
This is my personal feed so posts are a combination about gravitational waves and cycling infrastructure in Dublin.
Dr. Jillian Scudder @jillianscudder.com Astrophysicist, author (Graphic Guide to the Universe, 40 Ways to Know A Star, & more), artist, sewist, science communicator. English/Français/子供の日本語。Associate Professor. hEDS ♿️. She/her. 🏳️🌈. Opinions all mine.
https://www.jillianscudder.com/books
Thomas Kupfer @thomkupfer.bsky.social Professor of Astrophysics at the University of Hamburg. Member of the BlackGEM, SDSS-V and LISA collaboration. PI ERC project CompactBINARIES (2023 - 2028)
John Beacom @johnbeacom.bsky.social Ohio State Arts and Sciences Distinguished Professor of Physics and Astronomy. Into neutrinos. Fresh off the turnip truck.
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social Cantankerous astrophysicist and editor. Grandfather and dog owner. I could probably drink less coffee. I think about magnetized turbulence and what it means for the universe.
Orcid 0000-0002-2307-3857
Bernard Schutz @bschutz.bsky.social Astrophysicist, author, grandfather. Have lived in USA, Wales, Germany, Italy. FRS, NAS. Views my own.
Martin Bauer @martinmbauer.bsky.social I'm a theoretical physicist at Durham University 
Barbara Ryden @bsryden.bsky.social Writer of astrophysics textbooks, servant to cats
Rohan Alexander @rohanalexander.bsky.social I spend too much money on books. And too much time writing them. 🇦🇺🇨🇦.
https://rohanalexander.com
http://tellingstorieswithdata.com
Andreas Freise @gwoptics.bsky.social Looking for gravitational waves, modelling light.
Photos are taken by me unless stated otherwise (provided under a CC BY-NC-SA 4.0 license).
Neel Kolhe @neelkolhe.bsky.social PhDing @ Paris Observatory. Galactic Dynamics, radio Astronomy, cosmology.
Natural Sciences 🤝 Social sciences
Ecology | Science Fiction | urbanism |
Michael J. Williams @michaeljwilliams.bsky.social Gravitational-wave astrophysicist
https://michaeljwilliams.me
Dr. Ross Jennings @rossjjennings.net Not the one from "Arachnophobia."
Doing pulsar astrophysics to find gravitational waves!
Postdoc at West Virginia University, NANOGrav and IPTA member.
He/him.
Erik Schnetter @eschnett.bsky.social 
Kaila Nathaniel @spacekaila.bsky.social kānaka maoli astrophysics phd candidate at RIT | looking for a postdoc!
massive ⭐️s & compact binaries | population synthesis
she/her
prev: University of Bonn (MSc astrophysics), Virginia Tech (B.S. physics)
kailanathaniel.com
Alice Sheppard @penguingalaxy.bsky.social Citizen scientist, Brit in Sweden, endless maker of soup for babies. Galaxy Zoo turned me into a penguin. Always looking for more galaxies.
Miles Cranmer @milescranmer.bsky.social AI + Astro/Physics. Assistant Prof at Cambridge.
astroautomata.com/
Jocelyn Read @jocelynread.bsky.social Neutron stars, gravitational waves, and nuclear astrophysics. Professor at CSUF, working with LIGO and Cosmic Explorer. Took my name as an instruction.
Clare Burrage @clareburrage.bsky.social Cosmologist at the University of Nottingham
Rhiannon Udall @rhiannon-udall.bsky.social PhD student in the LIGO lab at Caltech, studying catalogs of gravitational wave events and how glitches affect them, (she/her) 🏳️⚧️
Ana Burgos @anaburgos.bsky.social phd student. bioinformatics. single cell technology. brain. aging. killifish.
Elizabeth Spiers @espiers.bsky.social NYT opinion writer, Slate Money co-host, Dem messaging consultant, former EIC The New York Observer, Dealbreaker founder and Gawker founding editor. Brooklyn via Bama. Rednexican. Striver with no chill.
https://linktr.ee/elizabethspiers
Jay Rosen @jayrosen.bsky.social Let's see... 39 years teaching journalism at NYU. A critic who tries to be useful. PressThink: the name of my subject and my site. My book: "What Are Journalists For?" (1999, Yale University Press)
The Author, Séamas O'Reilly @seamas.bsky.social Author, very professional.
Buy my debut novel PRESTIGE DRAMA at https://geni.us/Prestige_Drama.
Get my extremely good memoir at www.mammybook.com
Minas Karamanis @minaskar.bsky.social Astrophysicist and proud cat dad. He/him
Blog: https://ergosphere.blog
Views are my own.
Tom Abel @tomabel.bsky.social Computational Cosmologist interested in fluids and plasmas making up things in our Universe. 
Stephen Taylor @stevertaylor.bsky.social Gravitational-wave Astrophysicist | Associate Professor @ Vanderbilt University | Chair, NANOGrav Collaboration | ESA-NASA LISA Science Team Member
Tom Wagg @tomwagg.bsky.social Astro PhD student at UW | Harvard '20 | I love binary stars, galactic dynamics, gravitational waves (LISA!) and writing open-source tools | 🏑 field hockey & 🧗 rock climbing outside of astro
tomwagg.com - https://github.com/TomWagg/
Thomas Sumner @thomassumner.com Science communicator and journalist. Managing editor for @simonsfoundation.org. Formerly Science News Magazine. Science geek, tech lover, Pokémon hunter. Posts my own. He/Him.
https://thomassumner.com
Flatiron Institute @flatironinstitute.org Advancing scientific research through computational methods and software tools. Centers: #FlatironCCA, #FlatironCCB, #FlatironCCM, #FlatironCCN and #FlatironCCQ
Ryan White @astroryan.bsky.social Astrophysics student at Macquarie University, artist, bread obsessed. Studying cool (but actually quite hot) stars 🌟 @astrobites.bsky.social author 🪐 i have art too! @ryanwhiteartist.bsky.social 🖌️
ryanwhite1.github.io
(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.
Patrick Meade @theorydad.bsky.social Dad and occasional particle theory professor
Michael Tremmel @michaeltremmel.bsky.social Astrophysicist, Cat Dad, Comic book enthusiast. Lecturer at University College Cork (Ireland)
He/Him
https://mtremmel.github.io
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.
Ben Farr @bfarr.bsky.social Gravitational wave astronomer and associate professor of physics at the University of Oregon.
Jessie Shelton @jsheltino.bsky.social occasional particle physics
L. Y. Aaron Yung @lyaaronyung.bsky.social Giacconi Fellow @stsci 💫 🚀 | I make Semi-analytic forecasts for #JWST & #RomanST 🌌🔭 | formerly @NASAGoddard @FlatironCCA @RutgersU | HK→HI→SF→NY/NJ→MD/DC→TW
Jennifer Ouellette @jenlucpiquant.bsky.social I cover science and culture at Ars Technica. Former science editor, Gizmodo. Ex-vangelical. Rodeo fan. Married to @seanmcarroll, servant to two cats: Ariel and Caliban. Baltimore, MD. She/her.
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
🚀🌌👩🚀🌠🪐
🔗: https://galaxy.nora-bailey.com/linktree
Eric Bellm @ebellm.bsky.social Astronomer at the University of Washington.
Building time-domain surveys (ZTF & Rubin Observatory) & looking for compact objects in our Galaxy.
Owen Maresh @graveolens.bsky.social Mathematics Sorceror (sensory alchemist) at the Arctangent Transpetroglyphics Algra Laboratory (ATAL), I transflarnx mathematics into living rainbows. http://owen.maresh.info https://github.com/graveolensa,
Psoepbe-Tlaxtlal; (an undreamt splendour?)
FQxI @fqxi.org Exploring the foundations of physics and cosmology with Zeeya Merali and Gabe Fitzpatrick, of the Foundational Questions Institute, FQxI, the physics think tank and funding agency.
Will Kinney @wkcosmo.bsky.social Cosmologist, physicist, dirtbag mountain biker, expat Montanan, Copernican extremist. Part of the problem.
A.R. Moxon @juliusgoat.bsky.social We call upon your boss.
Author of the novel THE REVISIONARIES (2019) and the essay collections VERY FINE PEOPLE (2024) and FIGHTING IN THE DARK (2026).
He/him.
Author site: armoxon.com
Weekly essays on my free newsletter, The Reframe.
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Will Stancil @whstancil.bsky.social Minnesota guy.
"This particular activist will not stop." Sen. Chris Murphy
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.
Mara Wilson @marawilson.bsky.social Writer, actor, audiobook narrator, notorious tryhard 
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs