Melanie Mitchell @melaniemitchell.bsky.social Professor, Santa Fe Institute. Research on AI, cognitive science, and complex systems.
Website: https://melaniemitchell.me
Substack: https://aiguide.substack.com/
Nature Astronomy @natastron.nature.com A Nature journal dedicated to presenting the very best research across the disciplines of astronomy, astrophysics, cosmology and planetary science.📡
www.nature.com/natastron
ALT-NASA @altnasa.bsky.social Companion to our American heroes at NASA. Planetary defense, from without and within.
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NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
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Founder, FutureDude Entertainment 
Astronomy 🔭 @astronomy.bsky.social Facts, Information, and Images related to Space and Astronomy.
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International Space Science Institute (ISSI) @issibern.ch The International Space Science Institute (ISSI) in Bern, Switzerland, is an institute of advanced studies where scientists from all over the world meet to discuss and publish about the most-pressing science topics.
Visit us on www.issibern.ch
David Grinspoon @drfunkyspoon.bsky.social Astrobiologist, Author, Musician. 👽🎸❤️🚀
Sagan Medalist, PEN winner, AAAS fellow.
Former Senior Scientist for Astrobiology Strategy at NASA.
There’s an asteroid named after me (22410 Grinspoon) which is better than having one with your name on it…
ʀʏᴀɴ ᴛʜᴏᴍᴀꜱ ʀɪᴅᴅʟᴇ 🇵🇭 🏳️🌈 @ryanthomasriddle.com Award-winning writer. FilAm Queer writing Filipino Futurism. Co-Host Ship Full of Jerks. Trekkie. He/Him. Please no story ideas. https://www.ryanthomasriddle.com/
https://distant-worlds.ghost.io/
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NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
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
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Daily Quindar @dailyquindar.bsky.social Daily radio transmissions from the Apollo program.
Click the link in each post for the context!
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Donations:
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Astronomy Cast @astronomycast.com Take a facts-based journey through the cosmos and discover how we know what we know. With hosts Fraser Cain and Dr. Pamela Gay. Recorded live on YouTube.
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
IAU Office of Astronomy for Education @astro4edu.bsky.social The Office of Astronomy for Education (OAE) of the International Astronomical Union, hosted at @hausderastronomie.bsky.social
https://haus-der-astronomie.de/de/impressum
Martin Jungfer @martinjungfer.bsky.social Journalist. Editor @digitec @galaxus. #Sustainibility #eMobility 🇨🇭🇪🇺🌍
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Matt Novak @paleofuture.bsky.social Reporter at @Gizmodo.com.
I’ve been writing about the history of futurism at @Paleofuture.com since 2007.
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Signal: mattnovak.11
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Andy Williams @andy4science.bsky.social Space Policy | Science Policy | Science Diplomacy | Government Relations | Astronomy
All opinions my own
https://www.linkedin.com/in/andrewpaulwilliams/
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Lucinda Offer @marsonaut.bsky.social Education and Outreach Officer for the Royal Astronomical Society (G&S) | Chief Int’l Advisor for Mars Cell Labs | Former NASA Ames Mars Analogue Research Assoc., Exec. Dir. of the Mars Society for 12yrs & Lifetime member for 20+!
William Shatner @williamshatner.bsky.social 
Martha Wells @marthawells.com SF/F Writer - The Books of the Raksura, The Murderbot Diaries, Witch King, Queen Demon, and more. Nebula and Hugo Award winner. NYT and Sunday Times Bestseller. (She/her) Agent: Jennifer Jackson
Bluesky @bsky.app official Bluesky account (check username👆)
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Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector. - S SpacePolicyOnline @spacepolicyonline.bsky.social SpacePolicyOnline.com is your first stop for news, information and analysis about civil, commercial, and national security space programs. Marcia Smith is the editor.
Percy the Mars Rover @percyrover.bsky.social Proud immigrant, social distancing on Mars, and serving up piping hot cafecito. Parody. Created by @richferro.com
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Thomas H Zurbuchen @drthomasz.bsky.social Scientist, Explorer, Innovator, ETH Prof, NASA’s head of Science 2016-2022
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.
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
Jeri Ryan (official account) @jerilryan.bsky.social Actress, mom, wife, foodie, gardener. Not necessarily in that order. Trying to make a better world for our kids. Star Trek: Picard. That’s CAPTAIN Seven to you. 🖖🏼😋❤️
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Bobak Ferdowsi @ferdowsi.bsky.social Spacecraft engineer
Business insider’s sexiest scientist of 2013
1553 is the best protocol, change my mind
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Jeff Foust @jfoust.bsky.social Senior Staff Writer, SpaceNews. Tips? Email jfoust@spacenews.com or contact on Signal: jfoust.58.
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
Michael Seeley @mseeley.net Photographer / Space nerd / Healthcare
Photos of stuff (rockets preferred)
We Report Space co-founder
Nat Geo contributor
President, Health First Foundation
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Clara Moskowitz @clarakm.bsky.social Senior Editor at Scientific American, covering astronomy, physics and math. She/her 🏳️🌈
Remco Timmermans @timmermansr.bsky.social 🚀🛰️ Social media for space at spaceagenda.com and spaceside.eu | Co-founder of SpaceCommsAlliance.com | Faculty at ISUnet.edu | #DigitalNomad
🌍citizen 🇳🇱passport 🇬🇧resident 🇪🇪e-resident
Robert Pearlman @collectspace.bsky.social editor of http://collectSPACE.com, on the trail of space history artifacts, missing moon rocks and where space exploration intersects with pop culture
David Hitt @homesteading.space Author. Engineer. Husband. Dad. Other stuff.
Emily Carney @emilycarney.bsky.social I am a spaceflight historian. I also write about current events, culture, and sometimes hockey. My opinions, views, and reflections are my own.
Skywalker @skywalker3.bsky.social Team Science, Electrical Engineer, ETH, Innovation, Sustainability & Technology, Engineering, Purchasing, Space, Aviation, Nature.