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
Kelsey Johnson @profkelsey.bsky.social Mother, astrophysicist, educator, writer, artist, thinker about things. Views expressed are mine. Duh. 
Ben Hord @benhord.bsky.social Astrophysicist at NASA Goddard launching satellites and looking for planets around other stars. Formerly Columbia and University of Maryland
Nicole Gugliucci @noisyastronomer.com Physics professor, astronomer, educator, science communicator in NH, US. Lover of dogs, spec-fic, weights, and good trouble. She/they.
Opinions my own. RTs≠endorsements. Most older posts auto-delete.
I swear a lot.
https://bio.link/noisyastronomer
André 🪐 @anicolov.bsky.social he/they | rat person 🐀 | astrophysical plasma physics | PhD candidate 🏳️🌈
Vivian Lake @vlake-astro.bsky.social Astronomer and programmer. Hookem and bear down.
Abby Lee @abigaillee.bsky.social Astrophysics postdoc @ucberkeleyofficial.bsky.social
Astronomy on Tap HQ @astronomyontap.bsky.social 🌟Scientists & educators reveal how they explore the Universe, at bars & pubs around the world!🌟HQ account, follows satellite locations, organizers, & venues🌟 astronomyontap.org
Danielle Rowland @deendn.bsky.social ✨Astronomer, Educator @NRAO 📡
💯 Haudenosaunee
Columbia & NYU 👩🏽🎓
Dawn Gelino @dawngelino.bsky.social Manager for NASA’s Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute
sarah (they/them) 😷 @twinsunsfour.bsky.social astronomy phd student at IU. everything i do is for my cat. https://sarahpopp314.github.io/
Dr. Caitlin Ahrens @ahrensscience.bsky.social Planetary scientist, lunar exploration and sustainability policy. Lunar architecture and risk analysis nerd! UMD-CRESST-II Asst. Research Scientist at NASA GSFC. Science Outreach! Ten Outstanding Young Americans 2018. WVU alum. Views are my own.
Dr. Jennifer Burt @jenniferburt.bsky.social Exoplanet Scientist at NASA JPL specializing in RV planet detections | Member of the Exoplanet Exploration Program Office
Mark Dodici @dodici.bsky.social grad student @ Toronto studying how things move in the centers of galaxies ~ former astrobites writer ~ interests include sci-comm and coffee ~ mdodici.github.io
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.
Sophia Gad-Nasr @astropartigirl.bsky.social I do cosmology and astroparticle theory. I pick apart the Universe to figure out how it works. Science Advisor. Dark Matter hunter.
🇵🇱✡️🇪🇬☪️
Vivian U @justtheletteru.bsky.social Associate Scientist at Caltech/IPAC studying black holes and galaxy mergers with a nerdy sense of humor. Roman Proposal Lead. < 15 minutes of fame from PBS NOVA showcasing JWST science. TEDxMB 2024 speaker. Views are my own.
🌐 https://vivian-u.github.io/
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
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. 
Dr. Clarissa R. Do Ó @astroclary.bsky.social b. thomas soifer (exp) postdoctoral fellow @ caltech astro | ucsb and ucsd alum | coffee, ⛸ , Star Wars
clarissardoo.github.io
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
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
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.
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Ryan Trainor @crosstrainor.bsky.social astrophysicist / dad / asso. professor at F&M College / visiting scientist “at” JHU / he / him.
interested in galaxies, AGN, data science, and justice.
Americana at Brand Memes @americanamemes.bsky.social Memes about America’s favorite outdoor experience!
Alex Ip 葉清霖 @alexip718.com Freedom through Truth for Service.
Publisher and Editor at @thexylom.com.
I made the "Generative AI Slop-free News Outlets" starter pack + feed: https://go.bsky.app/8cn1XfT
Signal: alexip.718
Email: alex@thexylom.com
Newsletter: newsletter.thexylom.com
Erin Biba @erinbiba.bsky.social She/Her
Freelance Science Journalist. Fact Checker.
NatGeo, BBC, SciAm, NBC News, PopSci, WIRED, and others.
Hire me to fact check your book.
I post about Jewish stuff, disability, Star Trek, and The Buffalo Bills.
Jersey girl.
Ethan Freedman @ethanpfreedman.com Just be cool, man.
Reporter: science, nature, agriculture, climate. Bylines at Scientific American, PopSci, Sierra, Slate, Fatherly, etc.
He/Him. RTs =/= Endorsement. Opinions solely mine. Old posts delete en masse.
Chicago
www.ethanpfreedman.com
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Rachel Courtland @rachelcourtland.com Editor at MIT Technology Review (@technologyreview.com), commissioning news, features, and essays | Science and technology journalist and forever physics nerd
Stephanie Pappas @sipappas.bsky.social Freelance science writer - Scientific American, Live Science, APA. I will be on my deathbed still looking up whether it's "Proceedings of the National Academies of Science" or "Proceedings of the National Academy of Sciences" 
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).
Leila Belkora PhD, astrophysics @leilabelkora.bsky.social Science writer. Roots in US (NE/CO), Morocco, Switzerland. She/her. Current project: poet Robert Frost as amateur astronomer, to come from Clemson @cupress.bsky.social
Agent Henry Thayer at Brandt & Hochman.
Meghan Bartels @meghanbartels.bsky.social Science journalist (for hire!). Book person, cat person, Georgetown alumna, etc. In NYC. Signal: mbartels.07. she/her http://meghanbartels.github.io/portfolio/
The Open Notebook @theopennotebook.bsky.social Nonprofit equipping journalists to cover science: articles, tip sheets, trainings, courses, mentoring, pitch database, & more. Our new book THE BEST SCIENCE STORIES AND HOW THEY WORK: https://tinyurl.com/TBSSbook
Siri Carpenter @siricarpenter.bsky.social Co-founder, executive director, & EIC of
@theopennotebook.bsky.social, journalist & editor, @Sciencewriters.org past president. siricarpenter@theopennotebook.com. She/her.
The Xylom @thexylom.com Take root and flourish in a healthier planet.
We cover everything you need to know about the world's most pressing health and environmental disparities.
Get newsletter: newsletter.thexylom.com
Donate: https://fnd.us/sustain-the-xylom?ref=cr_1EHOhb
Katherine Wright @katrwright.bsky.social Mum, Physicist, Science Writer, and Deputy Editor for @physicsmagazine.bsky.social.
Marianna Limas @mnlimas.bsky.social Founder of the Science Writing News Roundup, a newsletter for science writers and journalists: https://sciencewriting.substack.com/
Ellen Kuwana, MS (#SciComm #ACESVCON26) @ellenkuwana.bsky.social Science writer, med comms, editor (>600 articles + $89B in grant proposals). Public speaker. Writing coach. APA & plain language expert. Interests: AI ethics, chocolate, SciComm. If I've helped you, thank me here, https://buymeacoffee.com/ellenkuw
betsy ladyzhets 😷 @betsyladyzhets.bsky.social editor/co-founder @thesicktimes.org | journalist covering Long COVID & related crises | she/her/🏳️🌈
email: betsy@thesicktimes.org | signal: betsyladyzhets.25 | https://thesicktimes.org/
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Julian A Nowogrodzki @plantnerd.bsky.social Science editor at @sentientmedia.org covering the intersection of food and climate
Words in Nature, NYTimes, MIT Tech Review & more
They/them
JulianN.88 on Signal
Erika K. Carlson @erikakcarlson.bsky.social physics, astronomy, and natural world enthusiast | formerly: writer, editor at American Physical Society, Physics Magazine | AAAS Mass Media Fellow & UCSC SciCom alum | she/her
Ari Remmel @science-ari.bsky.social Science journalist | Audio producer | Essayist | Naturalist
Here to talk about birds and molecules
arianaremmel.com 
CASW @sciencewriting.bsky.social Council for the Advancement of Science Writing. CASW organizes New Horizons in Science and other programs for science writers.
Follow the Climate News Task Force outlets: https://go.bsky.app/PmRtdCw
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.
Randall Munroe @xkcd.com 
wint @dril.bsky.social Never Bullshit
I challenge any and every one who wants to kick my ass to a debate .
https://www.patreon.com/dril
https://www.instagram.com/dril
https://linktr.ee/drilreal
Emily Rice @emilylrice.me Astronomer at CUNY & AMNH, CEO of STARtorialist, HQ for Astronomy on Tap, I guess I’m trying to make science fun?
My shop: shop.STARtorialist.com
STARtorialist @startorialist.com ✨ Space 🪐 Life ☀️ Style 🌌 shop & blog co-founded by professional astronomers
🛍️: shop.STARtorialist.com
Pratik Gandhi @astrogandhi.bsky.social Astro PhD student @UC Davis, interested in low-mass galaxies and simulations. Originally from Mumbai, undergrad Yale '18. Involved in Astrobites and AoT Davis. he/him
Dr. Lili Alderson @lili-alderson.bsky.social exploring exoplanets one atmosphere at a time 🪐 | She / her 🏳️🌈
Ali Crisp @crispyplanets.bsky.social Postdoc at The™️ Ohio State • “Retired” Astrobites writer • Exoplaneteer • Foilist 🤺 • she/they
Dr. Mace Huston @mhuston.bsky.social astronomy postdoc @ uc berkeley | gravitational microlenser | they/them
Haley Wahl, PhD @hwahl16.bsky.social Astrophysics PhD turned staff science writer. Astrobites alum and pulsar enthusiast 🌟
Dr. Luna Z 🌙 @cosmolooney.bsky.social cosmologist | derby rookie 🛼| she/they | 🇷🇸 ➡️ 🇺🇸 ➡️ 🇨🇦 | of material substance
Isabella Trierweiler @itrierweiler.bsky.social astro PhD student @ UCLA | exoplanet enthusiast | Astrobites writer | she/her
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Mark Popinchalk @markpopinchalk.bsky.social Astrophysics postdoc at AMNH | writer for @astrobites.bsky.social | planetarium presenter | Likes ultimate frisbee, volleyball, and all kinds of games. He/Him
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
Keighley Rockcliffe @kerockcliffe.bsky.social in no particular order: she/her, exoplanet astronomer, writer for APOD, cat mom, cheese lover, Dunkin connoisseur, 🏳️🌈, kdrama enthusiast, trying to be a halfway decent human being 🍉
kerockcliffe.com
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
Huei Sears, PhD 🌟 @starlights.bsky.social ✨ she/her ✨ astrophysicist studying supernovae + GRBs ✨ @ Rutgers U
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
Popular Science @popsci.com Demystifying our weird world since 1872. Learn something new every day.
Read all about it: http://www.popsci.com/
National Association of Science Writers (NASW) @sciencewriters.org Fighting for the free flow of science news since 1934. A 501(c)(6) professional membership organization.
💚 https://www.nasw.org
🎟️ https://www.sciencewriters2025.org
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🖖🏽
sanjana! @sanjanacurtis.bsky.social big fan of stars 💻✨🦫🏳️🌈
anna !!! :) 🇵🇸🌸✨🌸🇵🇸 @frogs4girls.bsky.social | she/her 🏳️🌈 | 26 | cutie pie | astrophysics grad student | virgo | jew for a free palestine | life’s more painless for the brainless! | pls be nice to me | https://linktr.ee/frogs4girls | pfp by foxpotato
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
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.
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Saavik ‘Careful of the Ankle’ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
Dr. Gerard van Belle @fringedoctor.bsky.social Active astronomer, intrepid interferometrist, doting dad, happy hubby, heuristic homebrewer, lapsed pilot, Director of Las Cumbres Obs in Santa Barbara. Asteroid 25155 van Belle.
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
Trent Dupuy @trentdupuy.bsky.social astronomer with no hobbies
Nienke van der Marel @nienkemarel.bsky.social Assistant professor of astronomy at Leiden Observatory | Leiden University | Formerly 🇨🇦&🇺🇲 | Planet formation | ALMA | Astromom | Outreach | She/her/hers | Views my own
Ed Yong is offline @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
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
Yoni Brande @yonibrande.bsky.social phd astrologer, world class barista, and professional chef
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Ned Wright @mapping3k.bsky.social UCLA astronomer working on space CMB and IR. On the COBE, WMAP, SIRTF and WISE missions. Asteroid (241527). See my cosmology tutorial at https://www.astro.ucla.edu/~wright/cosmolog.htm
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
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
Mark Marley @markmarley.bsky.social Personal account. Substellar science since the 80s.
Dr Jake Taylor @astrojake.bsky.social Astrophysicist at the University of Oxford. Researching the atmospheres of exoplanets.
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
Dr. Adeene Denton @spacewhalerider.com Planetary scientist, earth + space science historian, dancer/choreographer, part-time community radio DJ. (they/she) 🏳️🌈
adeenedenton.com
Sarah E Moran @offallingstars.bsky.social she/her.
(Exo)planetary clouds/hazes in 👩🏽🔬,💻,🔭
Lover of all worlds, great and small. 🌎🪐
Assistant Professor of Astronomy at UMD.
😺🧑🩰🌱🧘♀️🏃♀️☕🍸🎭📚
All opinions just me.
Always screaming inside my heart.
https://tx.ag/moran
QueenOfLasers🏳️⚧️ @queenoflasers.bsky.social Recovering scientist, obnoxious actress, lady-shaped bag of trash. youtube.com/@queenoflasers twitch.tv/queenoflasers
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
💀Adina Feinstein PhD 💀 @afeinstein20.bsky.social asst prof | astronomy PhD | MSU | https://adina.feinste.in
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
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
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