Dr./Prof. Cara Battersby @battersbot.bsky.social Astrophysicist, educator, and mama who likes to play outside. Low-key vibes, fancy degrees. I believe that which unites us is greater than that which divides us, so let's find common ground. Associate Professor at UConn, views my own.
Mike Wilner @wilnerness.bsky.social Former voice of the Toronto Blue Jays, current Toronto Star baseball columnist and host of the Deep Left Field podcast (you should subscribe). Loves stand-up comedy, β80s music and my two incredible kids! 
Avishai Gilkis @agilkis.bsky.social Astrophysicist at the University of Cambridge. Research interests include massive star evolution, core-collapse supernovae and other related phenomena. π
Kareem El-Badry @kelbadry.bsky.social Astronomer @Caltech.edu, studying binary stars and black holes 
Carl Haster @haster.bsky.social Assistant Professor at UNLV+NevadaCfA looking for gravitational waves and the best music. Previously at LIGO, MITKavli, CITA_ICAT and UoBIGWaves.
RenΓ©e Hlozek @reneehlozek.bsky.social South African cisgender, bisexual woman Assoc. Astrophysics Prof., Rhodes scholar. Feminist scientist. She/her
Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
Mark W.B. Wilson @markwbwilson.bsky.social Assoc prof of physical & materials chemistry at the UofT, using spectroscopy to study excitonic (nano)materials. Enthusiast, quite generally. (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.
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
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
Carl Rodriguez @carlrodriguez.bsky.social Professor of astrophysics at UNC, studying colliding black holes, swarming stars, and other things that go bump in the night. Big fan of transit, biking, climbing, Durham NC, he/him
dynamics.unc.edu- M Michael Zingale @michaelzingale.bsky.social computational astrophysicist
open source tool developer
professor
blower upper of stars
can recite Ο to 2 decimal places from memory
star wars fan
coffee aficionado
https://zingale.github.io
Jane Rigby @janerigby.bsky.social Astronomer, human, described by adjectives too dangerous to list. Views mine
Reach for the stars. But not that one β itβs about to go boom
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
Prof. Carl E. Fields π₯ @carlnotsagan.github.io Computational Astrophysicist and Assistant Professor @uarizona.bsky.social & @stewardobservatory.bsky.social. #Forbes30u30, Science 2021. He/Him. carlnotsagan.github.io.
Dr. Lucian Walkowicz @notnotrocketscience.com Astronomer, movement artist, & educator based in Chicago πΈ Founder, Not Not Rocket Science β¨Co-founder, the JustSpace Alliance πthey/them causing mayhem
notnotrocketscience.com
Ryan Trainor @crosstrainor.bsky.social astrophysicist / dad / asso. professor at F&M College / visiting scientist βatβ JHU / he / him.
interested in galaxies, AGN, data science, and justice.
Caroline Morley @astrocaroline.bsky.social Astronomer, Associate prof at UT Austin, mother of two small humans
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
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
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
Sean D. Johnson @seanjohnson.bsky.social Extragalactic astronomer; LSA Collegiate Fellow & Assistant Professor at @michiganastro. Dog lover. Pronouns: he/him/his π³οΈβπ
Chris Mihos @chrismihos.bsky.social astronomer, frustrated sports fan, perpetually confused family man.
Prof. Joey "Barely a Footnote" Neilsen @joeyneilsen.bsky.social Black hole astrophysicist at Villanova. Formerly: MIT, Boston University, Harvard, Kenyon College | X-rays | husband | dad of 2 | cooking. He/him. Skeets are my own.
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book βThe Astronomers Libraryβ about books, libraries and astronomy - three of my favourite things. Brit/US.
Adrian Price-Whelan @adrian.pw (he/him)
Astronomer;
Leads the Nearby Universe group at the Flatiron Institute / CCA;
Asst. Director of Scientific Software @ Simons Foundation;
Astropy;
Music;
https://adrian.pw 
James Davenport @jradavenport.com Astronomy professor in Seattle. Coffee drinking, year-round-plaid wearing, joke telling space dad. Searching for ET, caring for humans.
https://jradavenport.github.io
πβοΈπ€
sanjana! @sanjanacurtis.bsky.social big fan of stars π»β¨π¦«π³οΈβπ
Will M. Farr @farrwill.bsky.social Astrophysicist. Associate Professor at Stony Brook University, Gravitational Wave Astronomy Group Leader at Flatiron Institute's Center for Computational Astrophysics.
Dan F-M @dfm.io Retired computational astrophysicist
Interpretability at Anthropic; prev Google DeepMind, Simons Foundation, Journal of Open Source Software
(he/him)
https://dfm.io // https://github.com/dfm
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.
Ethan Vishniac πΊπ¦π¨π¦πΊπΈ @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
Vivienne Baldassare @viviennebaldassare.bsky.social Astrophysicist, ultra-runner, professor. Searching for the smallest super-massive black holes. I have the best border collie. 
Jamie R. Lomax @jrlomax.bsky.social Astrophysics, Skier, Hiker, Professor, Does Polarimetry for Food & Science, Opinions Are My Own & Do Not Reflect the DoD/DoN, Follows/Likes/RTs β Endorsement
Jennifer Johnson @jajohnson.bsky.social Astronomer. Fan of the Galaxy. Member of @sdssurveys.bsky.social. Periodically interested in origin of elements. Still working on triple pirouette.
Sarah HΓΆrst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titanβs biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Josh Simon @joshsimon.bsky.social Astronomer.
Opinions my own.
Tessa Vernstrom @tvern23.bsky.social Radio astronomer based in Perth Australia. Project scientist for EMU survey. Lover of radio galaxies, cosmic magnetism, and things lurking below the noise (and my dogs).
John Gizis @johngizis.bsky.social Astronomer, University of Delaware
Speaking for myself. 
Dr Rachael Livermore @rclivermore.bsky.social Astrophysicist, science communicator, educator, convention organiser
Kathryn Neugent @kneugent.bsky.social data scientist, astronomer, stress knitter, future mom to *all the cats*, and seeker of remote alpine lakes.
Hannah Wakeford @stellarplanet.bsky.social Exoplanet scientist. Science communicator. Author. Podcaster. Miniature painter. Wife. Cat mum.
Tanmoy Laskar @tanmoylaskar.bsky.social Astrophysicist | artist | baker | composer | choir director | community builder | passionate #socialjustice advocate π³οΈβπ he/him
Dr Ashley J Ruiter @astronomash.bsky.social π¦πΊπ¨π¦ research on binary stars, their evolution and lead up to type Ia supernova explosions π into occasional weightlifting, LGBTQIA2S+ Ally π³οΈβππ³οΈβ§ she/her
Jonathan Crass @jcrass.space Instrument Scientist in the Department of Astronomy at The Ohio State University. Build instruments for telescopes I Outreach | British | He/Him π³οΈβπ
saurabh w jha @sublunar.bsky.social astronomer, looking up
Josh Peek @jegpeek.bsky.social 
Gail Zasowski @zastronomerski.bsky.social Astronomer π, professor at the U of Utah, mom of 2 littles. Exploring, hiking, camping, cooking, reading. Sci-fi and period romances. Definitely not writing social media bios.
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.
Leo C. Stein @duetosymmetry.com Physics Prof @ U of MS. Sloan Fellow. Black holes, gravitational waves, general relativity & beyond. Formerly Caltech MIT Cornell. Need thin pizza + fruity coffee. He/him
π https://duetosymmetry.com/
@duetosymmetry everywhere
Dan Wilkins @danwilkins.bsky.social Astrophysicist, black hole scientist and science communicator. Research Assistant Professor of Astronomy at The Ohio State University. Amateur photographer, rower and avid traveller. He/him π³οΈβπ
Luis Welbanks @luiswel.bsky.social 51 Pegasi b & Presidential Postdoctoral Fellow studying the atmospheres of planets outside our Solar System at @SESEASU -> Assistant Professor @SESEASU 2025
Previously @NASA Sagan Fellow. @Gates_Cambridge
scholar at @Cambridge_Uni.
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.
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Gwen Rudie (she/her) @gwenrudie.bsky.social Astronomer, mom to one human, partner to another. Staff Scientist at Carnegie Observatories. Director of CASSI. - K @kellecruz.bsky.social @kellecruz.bsky.social
Beryl Hovis-Afflerbach @berylha.bsky.social Astronomy PhD student at @nuciera.bsky.social | NSF GRFP fellow | she/they
Kaley Brauer @kaleybrauer.bsky.social NSF Postdoc @ Harvard & Smithsonian Center for Astrophysics
https://twitter.com/kaleybrauer
Jay Strader @caprastro.bsky.social https://www.globalgiving.org/donate/3016/kids-for-kids/
Jorge Moreno @jorgitomoreno.bsky.social Associate Professor. 4th Mexican scholar to earn tenure in astronomy/astrophysics in the United States. Exploring more research heavy opportunities. https://jorgemoreno.org
Catherine Espaillat @catherineespaillat.bsky.social Astronomer studying planet formation. Professor at Boston University.
Alyssa Goodman @alyssagoodman.bsky.social Astronomy Professor at Harvard. Founder of glue solutions, inc. & http://path-to.org. Views are my own. 
Jonathan Fortney @jjfplanet.bsky.social UC Santa Cruz Astronomy Professor, Director of the Other Worlds Laboratory (OWL). Textbook Forthcoming: "Planetary Astrophysics: Exoplanets & Solar System." Father, Husband, Minnesotan, Runner. Proud product & employee of the public school system.
SDSS-V/Milky Way Mapper @milkywaymapper.bsky.social Proud member of @sdssurveys.bsky.social. Honoring our ancestor surveys SEGUE and APOGEE. Grateful for the Gaia, TESS, & eROSITA satellites. Observing all the stars
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. Emily Gilbert @emdwarf.bsky.social Staff scientist at Caltech/IPAC, working on the NASA Exoplanet Archive, and studying small stars and planets. But youβll mostly find baseball and snark here, with occasional scientific interruptions.
Huei Sears, PhD π @starlights.bsky.social β¨ she/her β¨ astrophysicist studying supernovae + GRBs β¨ @ Rutgers U- A Eva Laplace @astroeva.bsky.social Astrophysicist at HITS (Heidelberg), interested in the final fate of single and binary stars π³οΈβπππ· (she/her)
Meredith Rawls @merrdiff.bsky.social Astronomer at UW, data pipeline wrangler for Rubin Observatory, satellite mitigation leader via IAU CPS SatHub, mom, violist, Ballardite (Seattle), family cargo e-bike evangelist, Episcopalian, etc. Opinions all mine
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.
Abi Frost @astrodrfrost.bsky.social π Astronomer at ESO who likes massive stars π star formation π« sustainability π & diversity. Opinions are my own - they/them - #BLM βπΎ Free Palestine π΅πΈ
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.
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
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Kelsey Johnson @profkelsey.bsky.social Mother, astrophysicist, educator, writer, artist, thinker about things. Views expressed are mine. Duh. 
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, πβοΈ
Comments, RTs, likes are all me and represent on one else
Justin Vasel @justinvasel.xyz Physics Ph.D. Supernova hunter. Air Force space operational energy analyst. Chair of the Bloomington Commission on Sustainability and Resilience. IU Alumn. HAM radio KE9DTH.
Dr. Genevieve Schroeder @genevieveschroeder.bsky.social Postdoctoral associate at Cornell University- Radio Astronomy and Transients
Erin Kara @erinastro.bsky.social Astronomer
erinkara.space
Emily Lakdawalla π³οΈββ§οΈ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out itβs hard to be all those things at once. Shop at elakdawalla.Etsy.com
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanityβs scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
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. Heloise Stevance @sydonahi.bsky.social Astrophysicist - Schmidt A.I. in Science Fellow - Oxford Uni - she/they
Sky surveys
Exploding stars
Hungry black holes
AI Literacy
Beatrice Tinsley Lecturer 2021
Caroline Herschel Prize 2024
hfstevance.com
Pauline Barmby @pbarmby.bsky.social LLM-free science: https://orcid.org/0000-0003-2767-0090, fiction: https://www.galacticwords.com. Words in Yearβs Best Cdn F&SF, Utopia SF, Analog, OnSpec, MNRAS, ApJ, etc. Knitter, curler, sometime runner. π¨π¦ & minor planet 281067. She/her.
Matthew Kenworthy @mattkenworthy.bsky.social Professor of astronomy working at Leiden Observatory in the Netherlands on the direct imaging of extrasolar planets and transits of giant ring systems || Opinions my own || Will tell Dad jokes for cash. https://kenworthy.space/
Joe Callingham @astrojoe.bsky.social Dutch-Australian | Astrophysicist | Head of the Square Kilometre Array (SKA) Science Group at ASTRON | Associate Professor at the University of Amsterdam
AAS Nova @aasnova.org Highlighting recent astronomy research from the American Astronomical Society's journals. Editors: Kerry Hensley & Susanna Kohler. Discover what's new in the universe at aasnova.org. Header image: https://bit.ly/4vPAvD
David Kipping @davidkipping.bsky.social Astronomy, Exoplanets, Astrobiology, Cool Worlds Lab, Columbia University. Be kind to one another.
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.
Scott Gaudi @scottgaudi.bsky.social Astronomer @OSUAstro/exoplanet enthusiast/aspiring astrobiologist/accidental astropolitician. He/him. Proud:autistic/poly/gay/queer/nerd/man. Be relentlessly kind.
Paul Duffell @paulduffell.bsky.social I'm Paul and I do Hydro.
Professor of Physics and Astronomy at Purdue University.
Located in beautiful Lafayette, Indiana.
Host of the Astrophysics Podcast.
Group Website: http://physics.purdue.edu/duffell/
Podcast Website: rss.com/podcasts/astrophysics/
Grace Telford @ogtelford.bsky.social Assistant Professor of Physics and Astronomy at the University of Utah
Katie Breivik @katiebreivik.bsky.social astronomer who likes to write code
enthusiastic about binary stars
voracious consumer of television good and bad
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
Laura Lopez @ohdearz.bsky.social Professor of astronomy π at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her π²π½
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 + π @ β€οΈ, British + born in London UK, professor at the University of Potsdam, DESY & German Centre for Astrophysics (DZA); also @GRAPPAcentre at Univ. of Amsterdam.
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.