- P Phillip Schmandt @pschmandt.bsky.social Doorman for two dogs. Living in Austin. It's hot.
Matthew R Francis @bowlerhatscience.org Science writer, journalist, physicist, hat man, cat man, queer. Pfp by @makinaro.com . Signal: BowlerHatScience.51- E Eric Mamajek @ericmamajek.bsky.social Star guy. Statements and opinions posted here are my own.
Kevin Hardegree-Ullman @kevinkhu.bsky.social Research Scientist at Caltech/IPAC-NExScI studying all things related to exoplanets! Opinions are my own. https://kevinkhu.com
Harper Rosenthal @astrosenthal.bsky.social Exoplanet researcher, fantasy nerd, voted most likely to die first in a horror movie. Current post-bacc researcher at UMich, incoming Astronomy PhD student at Penn State! She/her.
John Debes @johndebes.bsky.social ESA/AURA astronomer at STScI. Opinions my own. I study exoplanets and disks around stars.
Dr. Raphael Marschall @spacemarschall.net Associate Professor of Experimental Physics at the @unibe.ch
Co-I of ESA's Comet Interceptor, collaborator on NASA's Lucy and ESA's Rosetta missions.
www.spaceMarschall.net
(he/him)🇨🇭🇺🇸🇫🇷
#asteroids #comets #protoplanetarydisks #planetaryScience 🧪🔭🚀🛰️☄️
Sean D. Johnson @seanjohnson.bsky.social Extragalactic astronomer; LSA Collegiate Fellow & Assistant Professor at @michiganastro. Dog lover. Pronouns: he/him/his 🏳️🌈
Dr. Ana Glidden @ana-glidden.bsky.social Postdoc @ MIT EAPS • Exoplanet Atmospheres • Habitability • Planet-Star Modeling
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
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/
Prof. Abel Méndez @profabelmendez.bsky.social Planetary Astrobiologist and Director of the
@PlanetaryHabLab. http://astrodon.social/@profabelmendez #exoplanets #astrobiology #habitability
Irene Vargas-Salazar, PhD @irinipocket.bsky.social 🇲🇽 Mexicana de corazón |⭐️ Astro PhD @UMich |💃🏽 Salsa & bachata dancer | 🌌 Planetarium ops| #BiinSci 🏳️🌈| she/her
Sean Raymond (planetplanet.net) @planetplanet.bsky.social Building crazy planetary systems on my blog planetplanet.net. Solar System formation. Exoplanets. Free-floating planets and interstellar objects. Astronomy poem book: http://amzn.to/3muytqo He/him.
Publications of the Astronomical Society of the Pacific (PASP) @paspjournal.bsky.social Publishing original research in astronomy and astrophysics since 1889. Currently led by Editor-in-Chief Jeff Mangum (@jeffreygmangum.bsky.social)
Jeff Mangum @jeffreygmangum.bsky.social Astronomer, Editor for Publications of the Astronomical Society of the Pacific (PASP)
Caltech IPAC @caltechipac.bsky.social IPAC at Caltech partners with NASA, NSF, JPL, and the worldwide research community to advance the exploration of our Universe. www.ipac.caltech.edu
Wisconsin Center for Origins Research @wicor.bsky.social Mission: Advance our understanding of the origins of life in the Universe through interdisciplinary research and education.
https://wicor.wisc.edu/
📸: Night sky above the Southern African Large Telescope (SALT), July 2017, Photo Jeff Miller/UW-Madison
Wisconsin School of Business @uwbusiness.bsky.social Official account for the Wisconsin School of Business at UW–Madison. Home of #BusinessBadgers.
business.wisc.edu
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
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
Drew Weisserman @drewweisserman.bsky.social McMaster Astronomy PhD student. send me pictures of your pets or I will steal them. he/him 🏳️🌈
check out my research: https://drewweis.github.io/
Kamber Schwarz @theschwarz.bsky.social Astrophysicist, Asst. Prof. @ University of Georgia starting Fall 2026, she/her, kamberschwarz.com
Views are my own
Aurora Kesseli @aurorakess.bsky.social Scientist at NASA Exoplanet Archive- looking at exoplanet atmospheres- enjoys being outside, baking and eating, reading sci-fi/fantasy. she/her
Edwin Kite @edwinkite.bsky.social Resident at Astera Institute. Planetary science professor, U. Chicago. Mars terraforming, Early Mars, rocky exoplanets. https://sseh.uchicago.edu/
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
WARF (Wisconsin Alumni Research Foundation) @warfnews.bsky.social Supporting UW-Madison innovators. Moving #CoolScience from campus to the world. Advancing technologies to benefit humankind. Making a difference since 1925.
UW–Madison Science @uwmadscience.bsky.social Science and research news from the University of Wisconsin-Madison. https://news.wisc.edu
Eric Agol @ericagol.bsky.social Astrophysicist, exoplanet enthusiast.
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
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
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 
💀Adina Feinstein PhD 💀 @afeinstein20.bsky.social asst prof | astronomy PhD | MSU | https://adina.feinste.in
Sabina Sagynbayeva @sabinastro.bsky.social (astro)Physics PhD. Astrobites alum. From Kazakhstan 🇰🇿. She/her.
Musical theater nerd, so pretty much insufferable.
Statistics, planets, and stellar cartography.
https://ssagynbayeva.github.io
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Kat Volk @katvolk.bsky.social Planetary scientist, equestrian, and cat herder. Cat posts at: https://bsky.app/profile/katskitties.bsky.social
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
Sarah Loebman @sloebman.bsky.social Astrophysics faculty, diversity, equity, & inclusion enthusiast, passionate about Big Data and the Milky Way.
Stephanie Deppe, PhD @spacescisteph.bsky.social Content Strategist at Vera. C. Rubin Observatory and lover of icy asteroids in the outer Solar System. ADHD brain in a neurotypical world. Sci-fi/fantasy nerd.
Probably hiking a mountain somewhere. she/her
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pākehā; she
Alex Santerne @alexsanterne.bsky.social Astronomer at Aix-Marseille University / France visiting IPAG/Grenoble.
Also delegated city councilor at Gières (38)
Toot a lot about Climate Change and Climate. Boycott planes, travel by train only. Opinions are my own.
Daniel Thorngren @dpthorngren.bsky.social Davis Fellow at Johns Hopkins studying exoplanet interiors with computer modelling and statistics. Website: dpthorngren.github.io/index.html
Clara Sousa-Silva @drphosphine.bsky.social Still a mediocre quantum astrochemist, outstanding dinner party guest.- E Jason Eastman @exofast.bsky.social Follow me for updates to EXOFASTv2, an IDL code to fit exoplanet data.
http://arxiv.org/abs/1206.5798
http://arxiv.org/abs/1907.09480
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
Hsiao-Wen Chen @highzclouds.bsky.social mom, daydreamer, stargazer, astrophysicist
https://lambda.uchicago.edu
Gijs D Mulders @gijsmulders.com Exoplanet Astronomy
Assistant Professor
Santiago de Chile
http://gijs.cl
\m/
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Tom Megeath @megadeath.bsky.social Astronomer studying the birth of stars, rust belt academic, connoisseur of beer inspired acronyms, closet Dadaist, & child of immigrant.
Dr. Eileen Gonzales @egonzales788.bsky.social Assistant Professor at SF State | Black In Physics director | Researching brown dwarf atmospheres and their clouds in the Cloud | #BlackandSTEM | #LatinaInSTEM | lindy hopper 
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 🏳️🌈
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).- G Kate Grier @grieratron.bsky.social Assistant Professor of Astronomy at the University of Wisconsin-Madison. Quasars, supermassive black holes.
George Zhou @georgezhouastro.bsky.social Astronomer at the University of Southern Queensland. Searching for young planets | He/Him | https://georgezhouastro.com/ 
Dawn Gelino @dawngelino.bsky.social Manager for NASA’s Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute
Maria Steinrueck @mariasteinrueck.bsky.social Exoplanet researcher. 51 Pegasi b Fellow at University of Chicago. She/her.
Dr Ryan MacDonald @distantworlds.space Lecturer in Extrasolar Planets 🪐 🔭 at the University of St Andrews 🏴
Bruce Macintosh @bmacastro.bsky.social Astronomer working on imaging extrasolar planets, instrumentation, and science policy. Spare time: hiking with a golden retriever, and not playing enough boardgames.
Director, University of California Observatories, but opinions are my own. He/him
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
Marshall @captain-exoplanet.bsky.social Astronomer, birder, TTRPG player and gluten-free cook. he/him.
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Caroline Morley @astrocaroline.bsky.social Astronomer, Associate prof at UT Austin, mother of two small humans
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.
Adi Foord, PhD @adifoord.bsky.social /uh ˈdee/
Assistant Prof. of Physics @ UMBC | searching for supermassive black holes |
www.adifoord.com
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
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
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.
Thomas Beatty @tgbeatty.bsky.social Astronomer/Exoplanetary Scientist/Professor at the University of Wisconsin
Sierra Grant @sierragrant.bsky.social Carnegie Fellow at the Earth and Planets Laboratory. Protoplanetary + circumplanetary disks. Formerly at MPE, BU, and University of Michigan. She/her. #BiInSci 🏳️🌈✨🔭 Opinions are my own.
sierragrant.com
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
Erin M. May, PhD @astronomay.bsky.social Staff Astronomer @ a place - Exoplanet Atmospheres. All data is good data.
Plus Knitting, Stickers, Baking, and other crafty things. Toddler mom.
Previously known as @_astronoMay on the other site.
ErinMMay.com
SiderealStickers.Etsy.com