Earth Species Project (ESP) @earthspecies.bsky.social The new frontier of interspecies understanding.
We decode animal communication with advanced AI to illuminate the diverse intelligences on earth.
www.earthspecies.org/
Chris Lee @cpl43uk.bsky.social AstroSpace Advisor, Former Chief Scientist UK Space Agency, Visiting Prof (Uni of Leicester), FRAS FBIS #BristolAstroSoc, Astro, #Space #Astrophotographer, #Park-run #ProgRock, #Sci-Fi, #anti-Trump #anti-Reform (he/him)
Jeremy Berg @jeremymberg.bsky.social Husband, Father, Grandfather, Datahound, Dog lover, Fan of Celtic music, Former NIGMS director, Former EiC of Science, Stand Up for Science advisor, Shananigator, Pittsburgh, PA
NIH Dashboard: https://jeremymberg.github.io/jeremyberg.github.io/index.html
ETH Zurich @ethz.ch Where the future begins. 🚀🔬 One of the world’s leading universities for technology & natural sciences. Posts in both English and German.
www.ethz.ch
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
Caleb Henry @chenryspace.bsky.social Director of Research at Quilty Space
🚀 🛰️📡
Writing a book on OneWeb and the rise of megaconstellations
https://chenryspace.substack.com/
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/
Gene J. Mikulka @genejm1017.bsky.social Founded the Talking Space Podcast in 2009.
Immersed in spaceflight since the Apollo days, Space Advocate and lovebird Dad. All Opinions are mine alone and don't reflect the position of the podcast. https://www.talkingspaceonline.com
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
CA State Treasurer Fiona Ma, CPA @fionamacpa.bsky.social Current California State Treasurer, candidate for Lt. Governor 2026, and 🐶lover!
PROVEN. PRINCIPLED. PROBLEM SOLVER.
https://fionama.com
LASP @laspatcu.bsky.social The Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado Boulder is at the forefront of space weather and climate monitoring, solar and planetary research, and the search for evidence of habitable worlds.
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.
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
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…
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/
Louise Harra @louise-solar.bsky.social Solar Physicist, from N. Ireland, working and living in Switzerland. 
Tobin L. Smith @scipolguy.bsky.social Interested in #scipol #highered #STEMEd #scicomm.
Marina Koren @marinakoren.bsky.social Science journalist, covering space stuff. Bylines in National Geographic, The New York Times, and elsewhere. Former staff writer and union boss at The Atlantic.
www.marinakoren.com / Signal: @marinakoren.08
CNES @cnes.fr L'actu du CNES, le Centre National d'Études Spatiales. Retrouvez les 3 infos de la semaine chaque vendredi sur notre chaîne WhatsApp.
Earth and Planetary Sciences at ETH Zurich @eth-eaps.bsky.social The Department of Earth and Planetary Sciences at ETH Zurich is one of the top Earth Science faculties and offers study programmes in Earth, Climate, and Space Sciences. https://eaps.ethz.ch/
Bob Pappalardo @rpappalardo.bsky.social Planetary scientist, icy moons a specialty. Europa Clipper Project Scientist at NASA’s JPL. Opinions are my own, or my cats'.
Science Magazine @science.org Cutting-edge research, news, commentary, and visuals from the Science family of journals. https://www.science.org
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
Nate Pacer @npacer.bsky.social You know it like a poet.
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
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
Paul Voosen @voosen.me Dad of two. Earth, climate, and planetary science reporter @Science.org magazine. Mistrusts narratives; still writes them.
https://www.science.org/content/author/paul-voosen
https://sciencemastodon.com/@voooos
voosen@protonmail.com
Signal: @voosen.01
Edoardo Giammarino | Space Reporter @edoardo.spacevoyaging.com Space Reporter, Co-Founder & CEO at spacevoyaging.com
Proud Red Cross First Responder
[Opinions my own]
Matthias M. M. Meier @matthiasmmmeier.com Meteorites, Museums, Mars, Mountains and many more things. Meteoriticist, Noble Gaser, Space Nerd, Family Man. Director of Naturmuseum St. Gallen, Switzerland. Posts in English and German. Private account.
🇨🇭🇸🇪🇲🇫🇪🇺🇺🇦 orcid.org/0000-0002-7179-4173
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
Tory Bruno @torybruno.bsky.social President and CEO United Launch Alliance @ULAlaunch, ...Rocket Scientist, Horseman, proud @calpoly alum
Jean-Luc Margot @jeanlucmargot.bsky.social Planetary astronomer 📡 🛰️ and UCLA professor. Interested in dynamics, geophysics, SETI 👽.
https://seti.ucla.edu/jlm
Jake Robins @jakerobins.com Space Geek, Web Developer, YouTuber, 🇨🇦 in 🇲🇽, host of @offnom
Meenakshi Wadhwa @minwadhwa.bsky.social Director, Scripps Inst. Oceanography & Vice Chancellor, UC San Diego. Opinions are my own.
Viktor Giacobbo @viktorgiacobbo.bsky.social twitter.com/viktorgiacobbo
instagram.com/viktorgiacobbo_
threads.net/@viktorgiacobbo_
www.viktorgiacobbo.ch
Amir Caspi, Ph.D. @astronamir.bsky.social Astrophysicist (solar/stellar) @SwRI.org in Boulder, CO. Instrumentalist, data jockey, programmer. Gamer. Nerd. Vell, I'm just zis guy, you know? | PI @CubIXSS @citizenCATE2024
Keith Cowing @keithcowing.bsky.social Multiverse.Media, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, (he/him) LLAP 🖖🏻
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
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
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Ariel Waldman @arielwaldman.com Antarctic Explorer + Filmmaker.
📺 Creator + host of LIFE UNEARTHED on PBS
🚀 NatGeo Explorer + NASA advisor
🔬 Often filming tardigrades
🔗 https://arielwaldman.com
Loren Grush @lorengrush.bsky.social Space reporter at @bloomberg.com covering NASA, commercial space, and the cosmos | Send tips: LGrush@bloomberg.net | Signal username: lorengrush.56 | Buy my book! https://www.simonandschuster.com/books/The-Six/Loren-Grush/9781982172817
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).
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Kenneth Chang @kchang.bsky.social Science reporter, The New York Times. Writes stuff.- 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.
Shannon Stirone @shannonstirone.bsky.social Writer in nyc. Space nerd. Mars is a Hellhole. Bylines in NYT’s, The Atlantic, Wired, Esquire, Longreads, & others. Anti fascist. Opinions are mine. Climate by day.
signal: shannonstirone.78
https://natureofthings.substack.com/
shannonstirone.com
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
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01