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
Dr. Alison Duck @astroalison.bsky.social Exoplaneteer - OSU Astronomy PhD
René Heller @drreneheller.bsky.social Team Lead Research & Development, PLATO Mission of ESA 🚀, Max Planck Institute for Solar System Research | Lecturer for astrophysics, University of Göttingen
Dr. Casey Brinkman 🪐 @spaceycaseylynn.bsky.social PhD in Astronomy from University of Hawai'i. Free Palestine 🇵🇸 She/Her
Jwst Feed @jwstfeed.bsky.social James Webb - Everything That's Hot 🔥
jwstfeed.com
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, 🔭✝️
Comments, RTs, likes are all me and represent on one else
Patrick Tamburo @tamburo.bsky.social Tierras postdoctoral fellow at the Harvard Center for Astrophysics.
https://patricktamburo.github.io/
https://sites.harvard.edu/tierras-observatory/
Xtine Benwa @xtine-benwa.bsky.social 🪐 Space Cadet and 🌮 enthusiast
Will Titus @wiltiades.bsky.social Astrophysicist and soccer coach
Xian-Yu Wang @astroxian-yu.bsky.social Postdoc in Exoplanet Studies at Indiana University. Currently working on searching for TTVs and characterising stellar obliquity distribution.
Eric Agol @ericagol.bsky.social Astrophysicist, exoplanet enthusiast.
Juliette Becker @jcbecker.bsky.social Currently trying to understand planet formation as a professor of astronomy at the University of Wisconsin-Madison
Sydney Vach @sydneyvach.bsky.social she/her
phd student studying planets young enough to be claimed as dependents | eso & unisq, prev harvard cfa
sydvach.github.io
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanity’s quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
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.
Chelsea Huang @chelseahuangastro.bsky.social Searching for planets at the University of Southern Queensland chelseahuangexoplanets.com
George Zhou @georgezhouastro.bsky.social Astronomer at the University of Southern Queensland. Searching for young planets | He/Him | https://georgezhouastro.com/ 
Sahar Shahaf @sahars.bsky.social 
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
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Tansu Daylan @tansudaylan.bsky.social Ast. Professor of Physics at WashU
AstroMusers PI, cosmology, exoplanets
curious mind, dad, aviator
Harvard PhD, MIT & Princeton postdoc
In scientia fidimus
Trent Dupuy @trentdupuy.bsky.social astronomer with no hobbies
Philip Muirhead @philipmuirhead.bsky.social Astronomer at Boston University. Director of the Perkins Telescope Observatory.
Peter Plavchan @plavchanpeter.bsky.social Associate Professor of Physics and Astronomy, George Mason University- G Kate Grier @grieratron.bsky.social Assistant Professor of Astronomy at the University of Wisconsin-Madison. Quasars, supermassive black holes.
Xavier Bonfils @xavierbonfils.bsky.social CNRS astrophycist at Institute of Planetology and Astrophysics of Grenoble 
JJ Hermes @jjhermes.bsky.social Always be looking up. Former Texan, current Associate Professor of Astronomy at Boston University. https://sites.bu.edu/buwd/
Dan Tamayo @astrodan.bsky.social Assistant Prof @HarveyMudd studying how planetary systems form and evolve. Past-Chair of the AAS Division on Dynamical Astronomy (he/him).
Greg Gilbert @gjgilbert.bsky.social Astronomer @Caltech
Kelly Truelove @truesciphi.org Technologist | Erstwhile computational physicist | Projects at TrueSciPhi.org: Explorations in computational philosophy via AI dialogues • Curated science & philosophy podcast collections
Dr. Scott W. Fleming @scottwfleming.bsky.social Branch Manager at Space Telescope Science Institute working in the MAST archive. Astronomy PhD. Studies stars and exoplanets. Loves programming. Opinions are my own. He/Him/His
Henry Ngo @astrodino.planetngo.ca Data scientist. Previously worked in planetary astronomy. he/him/his
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
Randall Munroe @xkcd.com 
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
Dr. Macy Huston @mhuston.bsky.social astronomy postdoc @ uc berkeley | gravitational microlenser | they/them
cayla 🌌🔭🪐 @cayladedrick.bsky.social astronomy PhD candidate @ Penn State | searching for exoplanets, babysitting MINERVA, and trying my best to get some sleep
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- E @ethankruse.bsky.social @ethankruse.bsky.social
Dr. Emily Gilbert @emdwarf.bsky.social Staff scientist at Caltech/IPAC, working on the NASA Exoplanet Archive, and studying small stars and planets. But you’ll mostly find baseball and snark here, with occasional scientific interruptions.
Yvette Cendes @whereisyvette.bsky.social Astronomer here! I’m a Hungarian-American radio astronomer, alias /r/Andromeda321 on Reddit. Assistant professor at the University of Oregon 
💀Adina Feinstein PhD 💀 @afeinstein20.bsky.social asst prof | astronomy PhD | MSU | https://adina.feinste.in
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
Dr. Jennifer Burt @jenniferburt.bsky.social Exoplanet Scientist at NASA JPL specializing in RV planet detections | Member of the Exoplanet Exploration Program Office
Dr. Natalie Hinkel @nataliehinkel.bsky.social Planetary astrophysicist. Stars+planets are formed together, so I look at elements in stars and how they connect to planet composition. Architect of the Hypatia Catalog (hypatiacatalog.com, @hypatiacatalog.bsky.social). Prof at LSU, she/her.
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.
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
Jayne Birkby @jaynebirkby.bsky.social Professor of Astrophysics at the University of Oxford. I study the atmospheres of other worlds beyond the Solar system.
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
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
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Andrew Mann @amann.bsky.social Associate professor of Physics and Astronomy at UNC Chapel Hill studying young exoplanets and stars. Dad to one human and one cat. 🏳️🌈💗💜. Carrboro Citizen. http://andrewwmann.com
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.
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
🔭☕️🎤
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
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.
Catherine 🌌 @catieslaughts.bsky.social Imagining others complexly | VIEWS MY OWN
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning.
Also: open web developer & enthusiast, working on @astrosky.eco and more
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
gully @gully.bsky.social interpretable machine learning for atmospheric and astronomical data analysis, near-IR spectra, climate tech, stars & planets; bikes, Austin, diving off bridges into the ocean.
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
Tom Barclay @tbarc.bsky.social Scientist/Astronomer 🌟🌎☄️ | I work at NASA designing/building/testing space telescopes | I like punk rock and skiing
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Marshall @captain-exoplanet.bsky.social Astronomer, birder, TTRPG player and gluten-free cook. he/him.
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
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.
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