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.
Governor JB Pritzker @govpritzker.illinois.gov Husband and father. Proudly serving as Illinois’ 43rd governor.
Dr. Wendy Bohon @drwendyrocks.bsky.social Earthquake geologist 🧪⚒️ | Scicomm specialist 🎙️| Formerly USGS, IRIS, NASA | she/her | Views are mine | website: https://wendybohon.com/
“A delightful blend of scientific rigor and domestic chaos.”
Erik Hoffner @erikhoffner.bsky.social Editor, photojournalist & award-winning podcast producer for nonprofit news outlet @Mongabay. Member of Society of Envi Journalists & Vermont Center for Photography
Dr Joanna Barstow @drjovian.bsky.social STFC Ernest Rutherford Fellow at the Open University. Astromum x 2. FRAS. Christian, singer, bookworm, musical theatre super fan.
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Robert Black @hurricanexyz.bsky.social Constitutional scholar, general law nerd, Izzet mage, bear lover, Mets fan.
Trans rights are constitutional rights!
Uphold Yang Wenli Thought
He/him
https://www.eveningconstitutional.net
Roman for Scientists @nancyromansci.bsky.social NancyRomanSci is managed by the Roman Science Centers and provides researchers with the most up-to-date information related to doing science with NASA's Nancy Grace Roman Space Telescope
Susan Bell @susanbellair.bsky.social Fed up with Fascism. Rebuilding a 1927 house. Gardener. Cat wrangler. Sometimes I fly upside down.
Kevin M. Kruse @kevinmkruse.bsky.social Historian: White Flight; New Suburban History; Fog of War; One Nation Under God; Fault Lines; Voter Suppression; Myth America. CAMPAIGN TRAILS: campaign-trails.ghost.io
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Lisa Whitenack, PhD @whitenacklab.bsky.social Biology prof & Director of Faculty Development & Assoc Provost at Allegheny College. Biomechanics, evolution, and paleobiology of sharks, snails, crabs, and more. She/her
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Stephen Kane @exocytherean.bsky.social Planetary Astrophysicist at the University of California, Riverside. I like Venus. A lot. Exoplanets are also kinda cool.
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Ann Finkbeiner @annfinkbeiner.bsky.social Freelance science writer, mostly astro, some natsec sci, some women-in-astro, some grief psych, otherwise whatever I can get paid to write about. I love Baltimore, I do.
Jody N Unger @jblossom25.bsky.social 
Texas Paul @realtexaspaul.com Host of Coffee With Texas Paul.
Founder of the Ride Or Die Democrats. 💙☠️💙☠️💙
Low Road Democrat.
www.RealTexasPaul.Com
Ferah M. @ferahm.bsky.social she/hers; all things galaxy formation, dark matter & pug related.
@kellygravity.bsky.social @kellygravity.bsky.social 
Ilaria Pascucci @pascucci.bsky.social Astrophysicist and Planetary Scientist. Professor at the University of Arizona. Fellow, American Astronomical Society. Outdoor enthusiast with a love for hiking, biking, and dogs.
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
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
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
JWST Observer @jwstobserver.bsky.social JWST Observer is managed by STScI and provides astronomers with the most up-to-date information, news, and events related to observing with JWST.
MAST - Mikulski Archive for Space Telescopes @mast-news.bsky.social MAST archives UV/optical/IR data from NASA missions, contributed science products, and analysis tools. https://archive.stsci.edu
This account is primarily to inform our users of updates. For the general public, follow https://bsky.app/profile/stsci.edu
Elena Sabbi @astro-selena.bsky.social 
Cynthia Phillips, PhD @planetcynthia.bsky.social Planetary geologist at NASA JPL. Europa is my favorite place in the solar system! Author of Astrophysics for Dummies https://www.amazon.com/Astrophysics-Dummies-Cynthia-Phillips/dp/1394235046/ and other books. Tweets are my own. She/her 🏳️🌈
Sangeeta Malhotra @astrodame.bsky.social Astronomer, dog feeder, bird watcher, maker of bad, dad jokes.
Views expressed are all mine, and not of my employer, family, or voices in my head.
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
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.
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
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own
Martha Boyer @marthaboyer.bsky.social I'm an Astronomer, primarily studying dust-producing stars with JWST and HST. Opinions are my own. Pround Minnesotan. Abolish Ice. She/Her
Christine Pulliam @christinepulliam.bsky.social Astronomer. Aviator. Always looking up. Cat mom. Science communicator/media relations at STScI. Views are my own.
L. Y. Aaron Yung @lyaaronyung.bsky.social Giacconi Fellow @stsci 💫 🚀 | I make Semi-analytic forecasts for #JWST & #RomanST 🌌🔭 | formerly @NASAGoddard @FlatironCCA @RutgersU | HK→HI→SF→NY/NJ→MD/DC→TW
Laura Watkins @laurawatkins.bsky.social Head of the Science Policy Division at STScI. Research focuses on kinematics and dynamics of globular clusters and dwarf galaxies. Views my own.
David Rodriguez @strakul.bsky.social Astronomical Data Scientist at STScI/MAST in Baltimore.
Opinions are my own.
Homepage: strakul.com
Blog: strakul.com/blog- T Tom Donaldson @tomdonaldson.bsky.social Software engineer. Opinions are my own.
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
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
Dr. Emily Rickman @astrorickman.bsky.social Astrophysicist - European Space Agency/STScI 🇪🇺🇺🇸 Direct Imaging Exoplanets & Brown Dwarfs✨🇬🇧🇦🇺🇨🇭🏳️🌈 she/they
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
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
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.
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
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
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
Dr Jan Eldridge @astro-jje.bsky.social NZ theoretical astrophysicist studying exploding binary stars. Sci-fi addict, feminist, non-binary femme. Pronouns: she/her/they. All views my own.
Dr. Raven the Science Maven @ravenscimaven.bsky.social I'm Raven Baxter, Ph.D. I'm molecular biologist and science educator who loves sharing science with the world! thesciencemaven.com
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
🚀🌌👩🚀🌠🪐
🔗: https://galaxy.nora-bailey.com/linktree
Emily Lakdawalla 🏳️⚧️ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com
CosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com Astronomer, driving The Dish📡 to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him.
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
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
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 
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.
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
Xevy 🐺🐟 @muddywolffeesh.bsky.social Late 20's | 🟥⬛🟩 | Wolf/Feesh | Bi-Demisexual
Furry, Gamer, Racing fan, Art enjoyer, also gets naughty from time to time 🔞
🐾 More active on FA - https://www.furaffinity.net/user/xevious4/
Daniel | ScienceSocks et al. @sciencesocks.bsky.social Orbit in style with science socks, space jewelry, and beyond. Stellar gifts for scientists, engineers, and astronomy lovers.
ScienceSocks.co
Robert Fisher @fisherastro.bsky.social Caltech-UC Berkeley-LLNL-Chicago-UMass Dartmouth. Sabbatical 23-24 @ Institute for Advanced Studies and Heidelberg Institute for Theoretical Studies. American & Italian Theoretical and Computational Astrophysicist. Professor. He/him/his. 
Gravity Grinch @gravitygrinch.bsky.social observational cosmologist -- the particle horizon is the limit!
https://thegravitygrinch.blogspot.com
Dr. Susan E. Mullally @mustaric.bsky.social Astronomer -- Baltimore -- Exoplanets -- Mother -- Choir -- Games
Posts my own.
John Debes @johndebes.bsky.social ESA/AURA astronomer at STScI. Opinions my own. I study exoplanets and disks around stars.
Josh Peek @jegpeek.bsky.social 
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Lucas @ispythesky.bsky.social Astronomer. VLBA enthusiast. Dad. Tired
Eilat Glikman @eilatg.bsky.social Astrophysicist. Quasar enthusiast. Physics professor. Mother, etc. Misanthrope who loves humanity. Why can’t we get this thing right? 
Sera Markoff @profsera.bsky.social Plumian Prof in Astro @U Cambridge & Prof Astro-/Particle Physics @U Amsterdam. All things black hole, member: Event Horizon Telescope, Africa Millimeter Telescope, CTAO. Space, sci-fi, cats, music, valve amps, other unabashed geekery. www.seramarkoff.com
Jeremy Bailin @astrobailin.bsky.social Astronomy, coffee, politics, music, cats, sports, computing. Not always in that order. Canada/Alabama/Arizona/Suomi. He/him.
Jennifer L. Hoffman ✨😷 @astroprofhoff.bsky.social Astronomer, professor, birder, singer, cat communer (she/her)
University of Denver, @chamberlin-obs.bsky.social
Past Grand Canyon Astronomer in Residence
Britt Lundgren @brittlundgren.bsky.social quasar gazer | science & education policy wonk | prof. of physics & astronomy at a public liberal arts college | Illinoisan
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
Yoni Brande @yonibrande.bsky.social phd astrologer, world class barista, and professional chef
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Sarah Loebman @sloebman.bsky.social Astrophysics faculty, diversity, equity, & inclusion enthusiast, passionate about Big Data and the Milky Way.
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.
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are 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
Dr. Rebecca Larson @saturnswings.bsky.social Ph.D. Astrophysics | U.S. Air Force Veteran | www.saturnswings.com
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).
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Scott Trager @sctrager.bsky.social Geek. Astronomer at Kapteyn Astronomical Institute, U Groningen, NL. Sort of but not quite Dutch. Lover of loud noisy music and good food. WEAVE Project Scientist and Deputy PI. Scientific Director of NOVA but I don’t speak for NOVA on here
Prof. Emily Levesque 🤓✨🔭📚 @emsque.bsky.social Astronomy professor, author of #TheLastStargazers, weird star enthusiast, human exclamation point.
Jeyhan Kartaltepe @jeyhan.bsky.social Associate Professor at RIT investigating galaxy evolution. Co-lead of the COSMOS Collaboration. Passionate about public outreach, science communication, and inclusivity. Currently working on all things JWST (especially, COSMOS-Web, CEERS, NGDEEP, PRIMER).
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 ≠ Endorsement
saurabh w jha @sublunar.bsky.social astronomer, looking up
John F Wu @jwuphysics.bsky.social Tenure-track astronomer working on galaxies, machine learning, and AI for scientific discovery. Opinions my own. He/him.
Website: https://jwuphysics.github.io/
Abbie 🌟 @abbiestev.bsky.social Experimental public programs in sci + art + tech, extronomer, nerd doctor of black holes & neutron stars, Michigoose, toddler mom, neurospicy, sober, pro-trans, she/her #BiinSci #WomenInSTEM #UglyDogs
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs- C Caryl Gronwall @carylgronwall.bsky.social Astronomer at Penn State
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.
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
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
Physgal ⚛️ @physgal.bsky.social University physics lecturer and Associate Dean, Learning. Physics demystifier. Supporter of girls and women in physics. CAP Teaching Medal 2018, 3MNTF 2023. She/her Ph.D.