Bärbel Koribalski @bskoribalski.bsky.social Astrophysicist and High Jumper.
https://orcid.org/0000-0003-4351-993X
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Dr./Prof. Meredith MacGregor @mmacgreg.bsky.social Associate Professor at Johns Hopkins in the Department of Physics and Astronomy | astronomer, educator, ceramicist, runner, mom | Pronouns: she/her
Michael Wise @wisespace.bsky.social Astronomer, Director General, SRON Netherlands Institute for Space Research
(He/Him)
John Stott @jpsastro.bsky.social Astrophysicist at Lancaster University. Mainly galaxy evolution, environment and feedback. Recent foray into machine learning and icebergs.
Jonathan Pritchard @pritchardjr.bsky.social Bewildered vagabond and student of the stars. Professor of uncertain opinions. Radio cosmologist at MPIfR.
(Opinions mine, not employers)
Josh Borrow @jborrow.bsky.social Research Software Engineer guy
Matthieu Schaller @mschaller.bsky.social Lecturer in numerical cosmo @ LION+STRW Leiden University. Lead dev. of @swiftsimulation.bsky.social astro and cosmology code. #HPC. Creator of fake universes; all including cheese. 🇨🇭
www.matthieuschaller.com
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.
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
Pedro Gonnet @pedrogonnet.bsky.social Software Engineer at #GoogleResearch, he/him/that guy. My views are my own. 🇨🇭🇨🇦🇺🇾 @PedroGonnet@mastodon.green
Joris Witstok @joriswitstok.bsky.social Looking up at the stars at the Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen. Previously at Kavli Institute for Cosmology, University of Cambridge, University of Leiden. (He/him) 🇪🇺🇳🇱🇬🇧🇩🇰
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
Oliver Newton @musicalneutron.bsky.social MSCA Fellow University of Surrey (IP2I Lyon → LJMU → CFT-PAN). Founding trustee/former treasurer at UniBrass Foundation.
Scott Trager @sctrager.bsky.social Geek. Astronomer at Kapteyn Astronomical Institute, U Groningen, NL. Sort of but not quite Dutch. Lover of loud noisy music and good food. WEAVE Project Scientist and Deputy PI. Scientific Director of NOVA but I don’t speak for NOVA on here
John F Wu @jwuphysics.bsky.social Tenure-track astronomer working on galaxies, machine learning, and AI for scientific discovery. Opinions my own. He/him.
Website: https://jwuphysics.github.io/
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own- J John Regan @jaregan.bsky.social Astrophysicist at Maynooth University in Ireland. Trying to figure out how massive black holes formed and evolved in our Universe. Mayo GAA fan and supporter.
Justin Read @readdark.bsky.social Astrophysicist hunting for dark matter. All opinions my own.
Peter Coles 🏳️🌈 🏳️⚧️ 🇮🇪 @telescoper.bsky.social Theoretical astrophysicist specializing in the Universe and all that surrounds it. Based in Ireland. Personal account. Call me old-fashioned but I don't like fascists. He/him/his.
Blog: telescoper.blog
Outflow my gas, the galaxy man said @kellerbw.bsky.social BW Keller (he/him). Astrophysicist.
Pot-of-coffee-by-day, bottle-of-wine-by-night type of guy? Triple that and you've got me.
Erik Tollerud @eteq.bsky.social Astrophysicist, Python coder, and general lover of nature in all its forms. Tweets are my own. He/they.
Michael Tremmel @michaeltremmel.bsky.social Astrophysicist, Cat Dad, Comic book enthusiast. Lecturer at University College Cork (Ireland)
He/Him
https://mtremmel.github.io
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Benne W. Holwerda @benneholwerda.bsky.social Dad, Professor of Astronomy at the University of Louisville. He/Him/hey you. Opinions are my own. As are the typos.
Astronomy, datascience, ethics & occasional US/EU politics. 
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
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
Tim Davis @timdavisastro.bsky.social Extragalactic Astronomer and Reader at Cardiff University (he/him). 🇬🇧🇱🇺🇪🇺 
Amelie Saintonge @ameliesaintonge.bsky.social Radio/mm astronomer, galaxy evolution/star formation enthusiast, classical music aficionado 
Oleg Gnedin @diveprofessor.bsky.social Astronomy professor and scuba diving instructor.
http://websites.umich.edu/~ognedin/
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.
Benedikt Diemer @benedikt.bsky.social Assistant prof of astrophysics at UMaryland. Immigrant. Maker of Colossus, SPARTA, and other codes.
http://www.benediktdiemer.com
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.
Rich Bielby @richbielby.bsky.social Recovering academic. Football addict.
LJMU Research and Innovation Services @ljmu-ris.bsky.social Research and Innovation Services (RIS) at Liverpool John Moores University. Supporting the LJMU academic community and matching industry needs with expertise.
https://www.ljmu.ac.uk/ris 
Mark A. Norris @markanorris.bsky.social Astronomer, Educator, Traveller, Human, Mild cynic.
Scott Kay @scott-kay.bsky.social Professor of Astrophysics, University of Manchester
Rohan Naidu @rpnaidu.bsky.social Astronomer @ University of Hawaiʻi. 🇮🇳 →🇸🇬 →🇺🇸 https://rohannaidu.github.io/
Mariana Jaber (she/her) @marianajbr.bsky.social Cosmologist mapping and testing the dark side of the Universe · Member of supernovafoundation.org. Currently at NCBJ · Previously NCU & CTP-PAS· PhD in physics by UNAM · Still an absolute beginner ·
Kevin Pimbblet @kevinpimbblet.bsky.social Professor. Astronomer, Data Science, AI, Author.
Director of DAIM.
Alvaro Hacar @cosmicfiber.bsky.social Assoc. Prof. in Astrophysics at the University of Vienna. Interests on Interstellar Medium, star formation, ALMA, radioastronomy, filaments and clouds
Rob Crain @robcrain.bsky.social Astrophysicist. Dad. Tired. 
The Daily Show @thedailyshow.com Weeknights 11/10c on Comedy Central and Paramount+
Martin Bauer @martinmbauer.bsky.social I'm a theoretical physicist at Durham University 
Yao-Yuan Mao @yymao.bsky.social Astrophysicist at U of Utah studying small galaxies and dark matter using astronomical surveys and simulations || teacher || programmer || 茅耀元 || they/he || 🏳️🌈 || http://yymao.github.io || https://astro-outlist.github.io
Mordecai-Mark Mac Low @astrocurator.bsky.social Researching the formation of planets, stars, and galaxies, mostly through numerical simulations. Curator-in-Charge, Dept. of Astrophysics, American Museum of Natural History. All opinions are my own and not the institution's.
Fraser Cain @fcain.universetoday.com Space journalist and skywatcher. I'm the publisher of Universe Today (universetoday.com) and co-host of Astronomy Cast (astronomycast.com). YouTube: https://www.youtube.com/@frasercain
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
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/
@risawechsler.bsky.social @risawechsler.bsky.social 
Jason Spyromilio Ιάσων Σπυρομίλιος @apolitosb.bsky.social Astronomer, supernovae, spent time at Paranal in prehistoric times, currently ELT telescope scientist www.eso.org/~jspyromi
Personal account. Speaking solely for myself
Karin Sandstrom @karinsandstrom.bsky.social Astronomer. Professor at UC San Diego. Lover of coffee, interstellar dust, California, nerdy stuff. she/her
Rychard Bouwens @introspectrych.bsky.social Astrophysicist. Loves being lost and how alive it feels. Enjoys witnessing courageous authenticity and random acts of kindness.
Kavli Institute for Theoretical Physics @kitp-ucsb.bsky.social At KITP on the UC Santa Barbara campus, researchers in theoretical physics and allied fields collaborate on questions at the leading edges of science.
www.kitp.ucsb.edu
Emily Griffith @emilyjogriffith.bsky.social NSF Post-Doc at @CUBoulder
@fsf2.bsky.social @fsf2.bsky.social 
W. M. Keck Observatory @keckobservatory.bsky.social W. M. Keck Observatory operates among the most scientifically productive telescopes on Earth atop Maunakea, Hawai'i.
Ivy Wong @astroivy.bsky.social Radio astronomer
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.
Caitlin Casey @cmcasey.bsky.social Mom to 3 rugrats, and recent TX -> CA transplant. Astronomer at UC Santa Barbara. ✌🏼
Francesca Rizzo @francirizzo.bsky.social Astrophysicist | Assistant professor at RuG
Intersectional feminist 🇵🇸
Erini Lambrides @eriniastro.bsky.social NPP Fellow @ NASA-Goddard, obscured AGN can't hide from me 👁👁
Débora P Menezes @deborapm26.bsky.social Scientist, nuclear (Astro)physicist - física nuclear, ex-presidente da Sociedade Brasileira de Física, Diretora do CNPq, coordenadora do projeto Mulheres na Ciência
Andrew Williams @andrewjohnwilliams.bsky.social I'm an astronomer in Perth, Australia, on the operations team for the MWA radio telescope in the Murchison. My loves are family, chocolate, cats, dogs, chocolate, reading, D&D and other role-playing games, chocolate, Python, and chocolate.
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science
AAS Press Office @press.aas.org Astronomy news curated by the Press Office of the American Astronomical Society. Note: Posting is not endorsing, only informing. aas.org/press Header Image: https://shorturl.at/vb7A1
@psharda.bsky.social @psharda.bsky.social (he/him)
Astrophysicist working on star formation and the interstellar medium. Oort Fellow @Leiden. Previously PhD @ANU Australia
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
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)
@astroden.bsky.social @astroden.bsky.social 
Astronomy Picture of the Day 🪐 @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
ARC Tracker's *Bot Posts Only* @arc-tracker-bot.bsky.social *Unattended account*. Instantly reposts posts from @arc-tracker.bsky.social's bot. That is, this account should only post announcements of ARC grants & recommendations to the Minister. See pinned thread (esp. 2nd post) for how to get device notifications.
ARC Tracker @arc-tracker.bsky.social Part human, part bot, 100% UNOFFICIAL. I track Australian Research Council grant outcomes. Bot checks outcomes announcements each min. DMs open. FAQ: https://tinyurl.com/ARC-Tracker-FAQ
The Astrosky Ecosystem @astrosky.eco We're building new social media tools for astronomers and astronomy enthusiasts online - from feeds to account hosting.
Website: https://astrosky.eco | GitHub: https://github.com/the-astrosky-ecosystem
Account managed by @emily.space
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
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.
Mike Boylan-Kolchin @mbkplus.bsky.social Dad, husband, astrophysicist, dog herder. Samuel T. and Fern Yanagisawa Regents Professor in Astronomy at UT Austin. This is a personal account and the views expressed in my posts here are mine. https://mrbk.github.io
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app