Cristóbal Sifón @csifon.bsky.social Astrophysicist. Dark matter, galaxies and clusters through optical/submm/other wavelengths.
Dr. Lucian Walkowicz @notnotrocketscience.com Astronomer, movement artist, & educator based in Chicago 🛸 Founder, Not Not Rocket Science ✨Co-founder, the JustSpace Alliance 🚀they/them causing mayhem
notnotrocketscience.com
Atacama Cosmology Telescope @act-pol.bsky.social Investigating the structure and evolution of the universe with the six-meter telescope which observed from 5190 meters elevation on Cerro Toco in northern Chile
Simons Observatory @simonsobservatory.org Figuring out some of the mysteries of the Universe from Chile at simonsobservatory.org
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
Viviana Acquaviva @venividivivi.bsky.social Astrophysicist turned Climate Scientist | AI for Science | Professor of Physics at @cuny.bsky.social; happy camper at @leapstc.bsky.social | Author, ML for Physics and Astronomy: https://shorturl.at/VJ9k9 | Lover of puns, data, good people, and unfinished 
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.
Brian Metzger @bmetzger.bsky.social I do astrophysics at Columbia University and Flatiron Institute CCA. Native Iowan and NYC history buff. 
Pallab Ghosh @pallabg.bsky.social I am a science correspondent for BBC News. I post mostly about science, sometimes science journalism and very occasionally, Spurs. Please share any hot stories, ideas and opinions on all three and anything else currently inspiring you.
The Royal Society @royalsociety.org The Royal Society is a Fellowship of many of the world's most eminent scientists and is the oldest scientific academy in continuous existence.
https://royalsociety.org/
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
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.
CatherineQ @catherineq.bsky.social Astronomer, science communicator, over-thinker extraordinaire. @AucklandUni space person @AucklandSpace. Autoimmune illness. 🇳🇿🇺🇸
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/
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
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. 
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.
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Ed Yong @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
📷 Canon R6mkii + RF 800mm
Edyong.me
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
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
Jonathan Pritchard @pritchardjr.bsky.social Bewildered vagabond and student of the stars. Professor of uncertain opinions. Radio cosmologist at MPIfR.
(Opinions mine, not employers)
Edd Edmondson @eddedmondson.eurosky.social (Former) physicist with alliterative name waiting for the lab accident that will grant him superpowers. Now does HPC IT. 🏳️⚧️-ally
David W Hogg @hogg.bsky.social Astronomer, physicist, statistician, data analyst, open scientist. (Totally not at all the other David Hogg). I live on Lenape land.- P Phil Bull @philbull.bsky.social I'm a Reader in Cosmology at the Jodrell Bank Centre for Astrophysics at the University of Manchester, and a Visiting Senior Researcher at the University of the Western Cape. I do large-scale structure surveys with radio and optical telescopes.
The Open Journal of Astrophysics @ojastro.bsky.social A peer-reviewed Diamond Open-Access Astrophysics journal using an arXiv overlay. This community-run service is provided entirely free for authors and readers.
https://astro.theoj.org/
Joe Zuntz @joezuntz.bsky.social Professor of Cosmology at the University of Edinburgh.
Richard Easther @rjme.bsky.social Father, husband, scientist, Kiwi diaspora returnee, prof @aucklanduni.bsky.social - opinions mine. He/Him
Science: https://cosmology.auckland.ac.nz
Blog: https://excursionset.com
Newsletter: https://buttondown.com/excursionset
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Natalie Wolchover @nattyover.bsky.social Physics journalist at Quanta Magazine. 
Davide Castelvecchi @castelvecchi.bsky.social Writer at Nature magazine, covering physical sciences, technology, mathematics, and energy. DMs are disabled courtesy of the UK's so-called Online Safety Act
Bryan Gaensler @scibry.bsky.social Dean of Science at the University of California, Santa Cruz (UCSC). Astronomer, sci-fi connoisseur, rugby league devotee, puzzled parent 🇦🇺🇨🇦. Opinions ∉ UCSC.
Santa Cruz CA, USA. He/him. bryangaensler.net
Alice Roberts @profaliceroberts.bsky.social Prof of Public Engagement in Science, Uni of Birmingham; anatomist, author, broadcaster; vice President of Humanists UK. All views my own.
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
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.
Beth Willman @bethwillman.bsky.social LSST Discovery Alliance, CEO
Athene Donald @athenedonald.bsky.social Retired professor of physics and former Master of Churchill College Cambridge. Interested in science policy, skills, education and EDI issues; author of Not Just for the Boys; blogging at https://occamstypewriter.org/athenedonald/
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.
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
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.
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.
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
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
Mathew Madhavacheril @msyriac.bsky.social Asst. Professor at the University of Pennsylvania
Theoretical and computational cosmology
(he/him)
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.
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)