Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
the Mountain Goats @themountaingoats.bsky.social here we are, caught up in this big rhythm
Jay Strader @caprastro.bsky.social https://www.globalgiving.org/donate/3016/kids-for-kids/
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.🥄
Same team from Twitter but with more gray hairs. 🚀🛰️🧪🔭
climate.nasa.gov
they/them
🏳️🌈🫶🏳️⚧️
Europlanet @europlanetmedia.bsky.social The Europlanet Society promotes the advancement of European planetary science.
EAS Annual Meeting @eas-meeting.bsky.social Official Account of the EAS Annual Meeting #EAS2026Lausanne
https://eas.unige.ch/EAS2026/
Camille Bergin @thegalacticgal.bsky.social ⭐️ Sharing curiosity about space, tech, and science!
🚀 Rocket scientist & space industry marketing expert
🎤 Public speaker
👇🏻YouTube deep dives
YouTube.com/@thegalacticgal
Buitengebieden @buitengebieden.bsky.social You will know me.. I’m Sander from the Netherlands
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Cory Booker @corybooker.com U.S. Senator from New Jersey. 
Sen. Cory Booker @booker.senate.gov Proudly serving the people of New Jersey in the U.S. Senate. 
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
AAS Public Policy @policy.aas.org The American Astronomical Society aims to enhance and share humanity's scientific understanding of the universe, in part through work as advocates for science.
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
FRONTLINE @frontlinepbs.bsky.social Award-winning documentaries, podcasts and digital reporting that question, explain and change our world. We answer to no one but you.
Explore our storytelling on PBS or online at pbs.org/frontline, YouTube and in the PBS App.
50501: The People’s Movement ❌👑 @50501movement.bsky.social Official Bluesky account for the #50501Movement
❌👑#NoKings 3/28 Made History!!
Join the Movement > https://FiftyFifty.one
Skye @simplyskye.bsky.social Hopeless Optimist — Efficient Procrastinator | Read too much of the beat generation growing up | Progressive
#WomensRights #LGBTQ+ #Equality #ClimateChange
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Union of Concerned Scientists @ucs.org The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems.
ucs.org
Dan Savage @dansavage.bsky.social Host of the Savage Lovecast, author of Savage Love. "A deviant of the highest order!" — The Daily Caller
Kyle Cheney @kyledcheney.bsky.social Senior legal affairs reporter at POLITICO with a focus on democracy, the balance of power and the clash between the Trump administration and courts.
Bill Kristol @billkristolbulwark.bsky.social Editor at large, The Bulwark.
Director, Defending Democracy Together.
Host, Conversations with Bill Kristol.
Never Trump.
Emma Louden @exoplanetemma.bsky.social Spreading practical hope with the stars 💫🌎
Astrophysicist | Strategist | Speaker
President of Slooh
Colette Delawalla, PhD @cdelawalla.bsky.social Founder & CEO of @standupforscience.net
Standupforscience.net substack.com/@sciencefightclub
PhD in Clinical Psychology
"Colette is brass knuckles...w/ spikes tipped in poison"
“Delusional broad”
"Lady Switchblade"
“Ditsy socialist liberal”
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Jen Bendery @jbendery.bsky.social Senior politics reporter for HuffPost.
Drop me a tip or a hello: jen.bendery@huffpost.com
Signal: jbendery.41
Lisa S-L @lisajsl.bsky.social Astronomer, dog mom, baker, quilter
Astrobot @bot.astronomy.blue Hi! I'm a friendly bot that manages sign-ups to the Astronomy feeds.
You can sign up to the feeds with "@bot.astronomy.blue signup".
I can also tell some bad jokes 😇
Managed by @emily.space.
Caroline Morley @astrocaroline.bsky.social Astronomer, Associate prof at UT Austin, mother of two small humans
Pauline Barmby @pbarmby.bsky.social LLM-free science: https://orcid.org/0000-0003-2767-0090, fiction: https://www.galacticwords.com. Words in Year’s Best Cdn F&SF, Utopia SF, Analog, OnSpec, MNRAS, ApJ, etc. Knitter, curler, sometime runner. 🇨🇦 & minor planet 281067. She/her.
Jeff Carlin @jeffcarlinastro.bsky.social Astronomer studying dwarf galaxies and their tidal remnants, and the nearby universe in general. Data Management Science Validation Scientist and Deputy Lead Community Scientist at Vera C. Rubin Observatory.
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
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)
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Brian Siana @briansiana.bsky.social Astronomy Professor at UC Riverside / Chair of the Riverside Board of Public Utilities / Heat pump evangelist
janiceleeastro @janiceleeastro.bsky.social ✨ looking to our future with NASA's Habitable Worlds Observatory (SuperHubble!) & AI
✨ studying star formation and star clusters in nearby galaxies with PHANGS, Hubble, JWST
Kelsey Johnson @profkelsey.bsky.social Mother, astrophysicist, educator, writer, artist, thinker about things. Views expressed are mine. Duh. 
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/3TlDCD
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
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
Ori Fox @orifox.bsky.social Astronomer | @STScI Scientist | HST | JWST | And now Deputy Project Scientist for Roman Space Telescope
AAS Committee on the Status of Minorities in Astronomy @aascsma.bsky.social Committee of the @aasoffice.bsky.social charged to enhance participation in astronomy at all levels of experience.
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.
Matthew Buckley @physicsmatt.bsky.social Theoretical physicist, Rutgers professor.
@ajbaker115.bsky.social @ajbaker115.bsky.social 
Becka Phillipson @beckastrosaurus.bsky.social Astro/Physicist @Villanova | Philadelphia, PA | research in nonlinear dynamics, accreting compact objects, and wacky time-varying phenomena
any views are my own and not of my employer :) stuff and things
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
🔭☕️🎤
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.
David Blanchflower BSc @davidbflower.bsky.social Astronomer and Astrophotographer. Pictures of space appearing in posts, magazines and on the telly. 
Xiaohui Fan @xiaohuifan.bsky.social quasar hunter, traveller, runner, yankees fan, wine lover and the best chef in the world according to my kid. Regents' Professor of Astronomy, Univ of Arizona.
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
Benne W. Holwerda @benneholwerda.bsky.social Dad, Professor of Astronomy at the University of Louisville. He/Him/hey you. Opinions are my own. As are the typos.
Astronomy, datascience, ethics & occasional US/EU politics. 
Denis Erkal @derkal.bsky.social Astrophysicist working on dark matter, near-field cosmology, and galaxy formation. All opinions are my own. He/him.
Peter Ferguson @theotherpsf.bsky.social Astronomer, helping to make the Vera C. Observatory a thing and use it to look for dark matter.
Currently a DiRAC fellow at UW/Seattle
He/Him
Decker French @deckerkf.bsky.social Astronomer at U Illinois, galaxies, transients, supermassive black holes, hiking, sailing, dogs
Yao-Yuan Mao @yymao.bsky.social Astrophysicist at U of Utah studying small galaxies and dark matter using astronomical surveys and simulations || teacher || programmer || 茅耀元 || they/he || 🏳️🌈 || http://yymao.github.io || https://astro-outlist.github.io
Monika I. Jurkovic @monikajurkovic.bsky.social Astrophysicist at the Astronomical Observatory of Belgrade. Interested in Type II and Anomalous Cepheids. ... And a Mom.
Clara Martínez-Vázquez @claramarvaz.bsky.social Astronomer researching about variable stars and dwarf galaxies - K @kellecruz.bsky.social @kellecruz.bsky.social
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
Marcel S. Pawlowski @8minutesold.bsky.social Astrophysicist studying cosmic choreographies of dwarf galaxies. Junior Research Group Leader at AIP, Street Photographer (he/him)
Autor des Buchs „Von tanzenden Galaxien, Dunkler Materie, und anderen kosmischen Rätseln“
Potsdam, Germany
Karina Voggel @karinavoggel.bsky.social Astronomer at the Strasbourg Observatory & CDS, working on super-massive black holes in the relics of galaxy nuclei. Can be found running otherwise.
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 
Michelle Collins @runningastronomer.bsky.social ✨Astronomer searching for and studying the faintest galaxies in the Universe ✨co-host of the @starxiv.bsky.social podcast ✨ Enthusiastic-but-mediocre runner 🏃🏻♀️ vegan 🌱 She/her
Madison Walder @madastro.bsky.social (She/her) | Astrophysics PhD student @Uni of Surrey | determined to yee some haws while I'm here ✨
Joshua 🇺🇦 Bloom @profjsb.bsky.social Prof at @UCB_Astronomy • Wise.io cofounder • Inventor • Dad • #Tennis 🎾 everything • Anti pickleball, Anti #TransparentMoon. Posts are my own (un)doing.
Brooke Simmons @vrooje.net Professor of Astrophysics: Galaxies, Black Holes, the Changing Sky. Also Zooniverse humanitarian and disaster relief lead. People first, then science. She/her
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
Greg Dobler @gregorydobler.bsky.social Urban Data Scientist. Astrophysicist. Studying cities with imaging. he/him/his.
Prof. Carl E. Fields 💥 @carlnotsagan.github.io Computational Astrophysicist and Assistant Professor @uarizona.bsky.social & @stewardobservatory.bsky.social. #Forbes30u30, Science 2021. He/Him. carlnotsagan.github.io.
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.
Anna Hughes @annaghughes.bsky.social 🌊 marine conservation 🪸
🇨🇦 BC mountains and ocean dweller 🥾🏄♀️🏂
ja yritän joskus puhua suomea.
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).
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
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
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
Nora Shipp @norashipp.bsky.social UW Astronomy | ✨stellar streams✨ | she/her
Dr Amanda Bauer @amandabauer.bsky.social Astronomer, Deputy Director of Yerkes Observatory, still willing to try...
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Prof. Emily Levesque 🤓✨🔭📚 @emsque.bsky.social Astronomy professor, author of #TheLastStargazers, weird star enthusiast, human exclamation point.
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
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
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
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
John Gizis @johngizis.bsky.social Astronomer, University of Delaware
Speaking for myself. 
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.
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
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
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
Brianna Wu @brianna.bsky.social Former Candidate for US House in MA. Software engineer. Like to go fast. 🏎🏍🏃🏻♀️🎮 brianna@hey.com
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🖖🏽
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
Peter Frinchaboy, Ph.D. @pmfastro.bsky.social Professor of Star Clusters (he/him/his). Opinions mine - do not represent my employers
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.
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.
Eilat Glikman @eilatg.bsky.social Astrophysicist. Quasar enthusiast. Physics professor. Mother, etc. Misanthrope who loves humanity. Why can’t we get this thing right? 
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)