Fraser Cain @fcain.universetoday.com Space journalist and skywatcher. I'm the publisher of Universe Today (universetoday.com) and co-host of Astronomy Cast (astronomycast.com). YouTube: https://www.youtube.com/@frasercain
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."
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.
Reid Hoffman @reidhoffman.bsky.social Co-Founder of LinkedIn. Focused on using AI to find the cure for cancer, faster. Proud American.
Writing, Pod, ETC: Beacons.ai/reidhoffman
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
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
Andy Rivkin @asrivkin.bsky.social Planetary Astronomer on #TeamAsteroid; Gedankenband member/guitarist; “Surprisingly nonchalant” according to Wired. He/him הנני 🌻
Work Output: https://scholar.google.com/citations?user=aGVsk3IAAAAJ
Play output: https://andyrivkin.bandcamp.com
Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
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
The International Sciences Institute @isi.institute The International Sciences Institute (ISI) is an independent pursuit of research and discovery focused on Earth and Space. Learn more at isi.institute.
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
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.
David Corn @davidcorn.bsky.social Washington bureau chief, Mother Jones. Author of the forthcoming HOW RUSSIA WON and the OUR LAND newsletter. Go to davidcorn.com. On Signal: DavidCorn.99
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Klaus Pontoppidan @pontoppi.bsky.social Astronomer and insect enthusiast 🇺🇸🇩🇰🇺🇦
AURA Astronomy @aura-astronomy.bsky.social AURA is a leading organization in developing and operating world-class facilities to deliver forefront #astronomy #science #telescope #astrophysics #NASA #NSF
Christine Pulliam @christinepulliam.bsky.social Astronomer. Aviator. Always looking up. Cat mom. Science communicator/media relations at STScI. Views are my own.
Jonathan O'Callaghan @astrojonny.bsky.social Freelance space journalist. British Science Journalist of the Year 2024. Words in The New York Times, Scientific American, New Scientist, BBC, WIRED, + more.
Bangkok, Thailand
jdaoca@gmail.com
@astro_jonny on Twitter
https://www.jonathanocallaghan.com/
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.
András Gáspár @andrasgaspar.bsky.social Associate Astronomer at the University of Arizona. JWST/MIRI Instrument Team. Debris disk aficionado. Classic car enthusiast. Opinions my own. He/him
Daniel Apai @danielapai.bsky.social Professor of Astronomy, Planetary Sciences, and Optics at The University of Arizona. I study exoplanets, build telescopes, and lead the NASA-funded Alien Earths astrobiology team. Fellow of AAAS and The Explorers Club. Own opinions.
Dawn Gelino @dawngelino.bsky.social Manager for NASA’s Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
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
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/
Dr. Rebecca Larson @saturnswings.bsky.social Ph.D. Astrophysics | U.S. Air Force Veteran | www.saturnswings.com
Marc Postman @astromarc.bsky.social Astronomer studying galaxies, clusters, and dark matter. Envisioning the future of space astronomy. My posts are my own views. (he/him)
Jason Wang @thejason.wang Astronomer. I take images of extrasolar planets. Sometimes I make GIFs of them. Professor at Northwestern/CIERA. jasonwang.space
Liz Landau @lizlandau.bsky.social Editor, writer, astronomy enthusiast. You can find my work at National Geographic, New York Times, Quanta, Smithsonian, and more. Views expressed are my own. Portfolio: lizlandau.com
Astronomy Picture of the Day (unofficial bot) @fanapod.baldanders.info This is bot account.
Deliver "Astronomy Picture of the Day" using NASA API.
NASA API: https://api.nasa.gov/
Managed by @baldanders.info
Powered by https://github.com/goark/toolbox
Steven Finkelstein @astrosteven.bsky.social Dad to two alternatingly amazing/frustrating kids, decent husband, astronomer. Lover of Seattle/Austin sports and good sci-fi/fantasy novels and movies.
Kevin Hainline @kevinhainline.bsky.social Enthusiastic Astronomer. Professor at the University of Arizona. I use telescopes to find things. (He/him)
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
Judy Schmidt @geckzilla.bsky.social Galactic Janitorial Services
SPIE @spie.org Welcome to the official account of SPIE, the international society for optics and #photonics. Over the past five years, we have invested over $26M in the international optics community! 💡
ewan douglas @douglase.bsky.social Professing on space telescopes of all sizes; Tucson, AZ.
Dr. Amber Straughn (she/her) @astraughnomer.bsky.social Black Lives Matter. NASA Astrophysicist for #JWST. From Arkansas. Hiking, yoga, Great Dane mom, pilot, Pearl Jam superfan. #FirstGen Personal account - my views
Rohan Naidu @rpnaidu.bsky.social Astronomer @ University of Hawaiʻi. 🇮🇳 →🇸🇬 →🇺🇸 https://rohannaidu.github.io/
Astrobiology @astrobiology.bsky.social Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.
NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Jewish Currents @jewishcurrents.bsky.social Founded in 1946, Jewish Currents is a magazine committed to the rich tradition of thought, activism, and culture of the Jewish left.
Subscribe today!
jewishcurrents.org/subscribe
Washington Post Opinions @postopinions.bsky.social Editorials, columns, guest op-eds: we have them all here at the Washington Post! https://www.washingtonpost.com/opinions/
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
Will Kinney @wkcosmo.bsky.social Cosmologist, physicist, dirtbag mountain biker, expat Montanan, Copernican extremist. Part of the problem.
The Washington Post @washingtonpost.com Democracy Skies in Blueness
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
Brianna Wu @brianna.bsky.social Former Candidate for US House in MA. Software engineer. Like to go fast. 🏎🏍🏃🏻♀️🎮 brianna@hey.com
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.
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
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
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
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. 
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
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
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
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
Chris Packham @chrisgpackham.bsky.social Broadcaster & environmental campaigner
chrispackh.am/links
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.
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
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.
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.
Hannah Wakeford @stellarplanet.bsky.social Exoplanet scientist. Science communicator. Author. Podcaster. Miniature painter. Wife. Cat mum.
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society- J Joshua Pepper @joshuapepper.bsky.social Astrophysicist, Planethunter, fan of functional government
Mark Marley @markmarley.bsky.social Personal account. Substellar science since the 80s.
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.
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.
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
Dr Matt Greenhouse @mattgreenhouse.bsky.social Astrophysicist
NASA Goddard Space Flight Center Emeritus
I post on regularly Facebook and LinkedIn where I have large communities. Servicing two social media accounts is enough for me.
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Lee Billings @leebillings.bsky.social CHNOPS in ferruginous saline. Multicellular aerobic chemoheterotroph; symbiont of photosynthetic autotrophs. Descendant of stardust; aspiring good ancestor. Senior Editor, Scientific American. Signal: @lee_billings.81
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)
Jwst Feed @jwstfeed.bsky.social James Webb - Everything That's Hot 🔥
jwstfeed.com
Bluesky @bsky.app official Bluesky account (check username👆)
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