The Planetary Society @planetarysociety.bsky.social A space advocacy nonprofit founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, now led by Bill Nye.
Find your place in space.
Become a member today: https://www.planetary.org/
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Sam Freedman @samfr.bsky.social Writes the most popular UK Substack (samf.substack.com)
Author of Sunday Times bestselling book "Failed State". (An Economist and Financial Times Book of the Year for 2024). Working on book two.
Senior fellow: Institute for Government
Anthony Painter @anthonypainter.bsky.social Policy. Political economy. Increasing bewilderment.
"The Three Economies" Substack here: https://open.substack.com/pub/anthonypainter
#ynwa
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
Bleddyn Bowen @bleddb.bsky.social Associate Professor of Astropolitics | Space warfare | Own views
Books: Original Sin http://bit.ly/3JYbcIe ; War in Space http://bit.ly/34Stplv 🏴🏳️🌈 🚀🛰
Web: https://tinyurl.com/p9pt8n9n
“He doesn’t see the stars - just the vast dark spaces in between.”
Space Curmudgeon @spacecurmudgeon.bsky.social Former Editor-in-Chief at SpaceNews. Cracking wise about space, tech, and other high-flying follies.
Thony Christie @rmathematicus.bsky.social Aging freak who fell in love with the history of science and now resides mostly in 16th century Nürnberg.
Rene Corbeil @utrgv-edtech.bsky.social Professor of Educational Technology at the University of Texas Rio Grande Valley. Current research interests include learning experience design (LXD), e-learning, microlearning, and AI in education. https://www.linkedin.com/in/renecorbeil/
James Holbeach🌀 @opplevelse.bsky.social A fluid mechanist engineer specialising in multiphase flows with a passion for science, motorsport, satellite imagery, astro / space and weather, in particular Cyclones, typhoons, hurricanes! Based in Western Australia but travel the world!
Daniel Pomarède @pomarede.bsky.social Cosmographer at Univ. Paris-Saclay | mapping the Universe | co-discoverer of Laniakea (our home supercluster of galaxies), Hoʻoleilana, and some other (very) large scale structures
📖 https://orcid.org/0000-0003-2038-0488
▶️ https://vimeo.com/pomarede
Etudious @etudious.bsky.social (She / her) runner, Internet enthusiast, space dork, nerd adjacent, pro-equality, highly democratic human. NYC.
@geekwire.com @geekwire.com 
Caroline Ferguson @drcarolineferguson.bsky.social PhD Education. Vice-President the Social & Citizenship Education Association of Australia, Associate Editor Human Rights Education Review. Global citizenship, teacher education, youth experience.
Thomas Pesquet @thom-astro.bsky.social 
ESA Navigation @navigation.esa.int Keeping the world connected through satellite navigation. Advancing positioning, navigation and timing in Europe with innovative technologies and resilient systems. Part of the European Space Agency @esa.int family.
ESA Space Transport @transport.esa.int Latest news on @esa.int's launches, projects and developments in space transportation.
Please see our Privacy Notice: esa.int/connectwithus
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
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).
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.
Stella Mouroutsou @stellamouroutsou.bsky.social Lecturer in Education & Associate Dean for Internationalisation, University of Stirling| Inclusive Education |Early Childhood Education| Teacher Education| Equity and Social Justice| Education Policy Enactment.
https://www.stir.ac.uk/people/257424#panel_1_
@bohnetfreddy76.bsky.social @bohnetfreddy76.bsky.social 
ESA Technology @technology.esa.int Follow the latest news, developments and new technologies from the European Space Agency's R&D Directorate
Space Rocks @spacerocksofficial.bsky.social Bringing space down to earth, in association with the European Space Agency. spacerocksofficial.com
Andrew Parsonson @andrewparsonson.bsky.social I'm on a mission to promote European spaceflight.
Contributor to SpaceNews and Payload.
For queries, email andrewp@europeanspaceflight.com
Bill Gates @billgates.bsky.social Global Health. Energy Innovation. Alzheimer’s. https://gatesnot.es/tgn
Dr Melissa Braaten @mbraaten.bsky.social Associate Professor of STEM Education and Teacher Education at University of Colorado Boulder. I study how teachers learn and grow over their careers amid often impossible circumstances. Talk to me about cooking, camping, hiking, gardening, & Italian wine.
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at WashU • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • eeps.washu.edu/people/paul-byrne • he/him
Jens Müller @jens0331.bsky.social Ruhrpottbürger, Weltbürger. Meine größte Gier ist die Neugier – btw: 🖕 #FckBitcoin
KosmicKris @kosmickris.bsky.social Space law Professor | Assorted sports 🏏 and music chat (he/his).
Mainly personal stuff
Child's Play (International) @childs-play.co.uk Award-winning independent children's book publisher, inspiring a lifelong love of reading for more than 50 years #Bookswithusallin #Learningthroughplay www.childs-play.com https://linktr.ee/childsplaybooks
Manuela Casasoli @manuelacasasoli.bsky.social Maths and science teacher, keen on hiking.
"Mathematics, rightly viewed, possesses not only truth but supreme beauty."
Bertrand Russell
CV: http://bit.ly/3RpUdSF
Website: https://www.manuelacasasoli.altervista.org/
X: https://x.com/manuelacasasoli
Ernie Jacobs @astro716.bsky.social Husband, Father, Engineer, and Amateur Astronomer/Astrophotographer. My astrophotography blog: https://astronomy716.blogspot.com/?m=1
Ice2Thrust.Space Project @ice2thrust.bsky.social Solar for Ice to Thrust (S4I2T) is an EU-funded project (GA number 101161690) that seeks to develop a cost-effective and environmentally friendly solar electric water propulsion system. The project started on 1 September 2024 with duration of 36 months
Jonathan Serrie @jonathanserrie.bsky.social 🚀space 💊medicine 🧪science ✏️reporter on FOX 📺
Science HR @sciencehr.bsky.social A career network featuring science jobs in academia and industry.
Visit our platform at www.science.hr
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
esaspaceweather @esaspaceweather.esa.int ☀️🌍ESA #SpaceWeather insights, events and service highlights. Maintained by @ESA's SWE Coordination Centre.
🔗 swe.ssa.esa.int/
Info only - no services provided via this account
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.
Robert Lea @robleascijorno.bsky.social Senior Writer http://Space.com all opinions are my own. #scicomm #Space #Physics #Astronomy Portfolio at https://authory.com/RobertLea
molly taft @mollytaft.com disaster dyke on the apocalypse beat @wired.com . very tall with a very short dog. they/them. molly_taft@wired.com, signal: @mollytaft.99. mollytaft.com
James Lees @jamesdoesscience.bsky.social Physicist, Science Communicator, Author and Museum Enthusiast
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
Laurie Winkless @lauriewinkless.bsky.social Physicist & science storyteller. 📚#1: SCIENCE AND THE CITY 📚#2: STICKY. Words in other places. Irish in Aotearoa New Zealand. Massive science nerd, biz owner, enthusiastic, outspoken, equity-minded, multi-crafter. She/her. #ToitūTeTiriti #FreePalestine
Stephen C. Smith @wordsmithfl.bsky.social Writing about space policy and politics, from the Space Coast of Florida. Now retired after ten years doing public education at Kennedy Space Center. You can also find me on Counter.Social at the same handle, and on Substack at TheSpacePundit.com.
ESA astronaut Dr Matthias Maurer @astromatthias.esa.int Active astronaut of the European Space Agency ESA. Materials Science Engineer and MBA by training. Bestseller author. Lived recently 175 days on the International Space Station. Posts are my own opinion.
SPACE @space.bsky.social Everything about Space.
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
Dr Cassandra Steer @cassandrasteer.bsky.social Space security - international space law - space governance - IHL - women, peace and security in space. Spacecitizens.substack.com is where you'll find my writings. Founder and CEO of the Australian Centre for Space Governance. Consultant. Mother.
Alex Wilkins @alexwilkins.bsky.social journalist with New Scientist focusing on physics, space and tech.
https://www.alex-wilkins.com/
John Chinner @johnchinner.bsky.social Head of Outreach - Airbus Defence & Space UK. STEM Ambassador, Space Geek, Robot maker.
Opinions & hair = my own.
Emilee Speck @emileespeck.bsky.social Journalist covering space, weather and climate. Fan of saying “look at the Moon” too much.
Adelina Campos @adelinacdc.bsky.social Media Relations at ESA, the European Space Agency. Former journalist.
The Women In Science Archive @wisarchive.bsky.social Celebrating Eleven Years of bringing stories of scientific women to light! Our newest book, A History of Women in Psychology and Neuroscience, is now available! www.wisarchive.com
Kai Noeske @kainoeske.bsky.social Advocating European cooperation in space | European Space Agency Communication | Space Scientist | Speaker | Author.
Our academic life survival guide: https://link.springer.com/book/10.1007/978-3-662-67797-1
Andrius Kubilius @andriuskubilius.ec.europa.eu 🇪🇺 Commissioner for Defence and Space, former Member of the European Parliament, former Prime Minister of Lithuania 🇱🇹
Professor Carole Mundell @cmundell.esa.int Director of Science, @esa.int; Head of the European Space Astronomy Centre, Madrid. Astrophysicist, science diplomat, ex-Science Council President; ex-Chief Scientist Adviser & International Science Envoy, UK FCDO. She/her. My views.
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Pieter de Wilde @pieterdewilde.bsky.social Chair in European Politics & Society @ University of Groningen. Politicization, Representation, European Integration, Globalization Conflict.
Ana Gomes @anagomes54.bsky.social Portuguese ambassador (retired). Former MEP (Member of European Parliament). Living in Portugal.
João Maria Jonet @jmjonet.bsky.social Social Liberal. Beto de Cascais radicado nos Prazeres e treinado na FCSH. A família diz que sou a direita que dá jeito à esquerda. O Parágrafo nas horas vagas.
Yanis Varoufakis @yanisvaroufakis.bsky.social Subverter of the dominant paradigm
Roberta Metsola @president.europarl.europa.eu President of the European Parliament 🇪🇺
Will Sommer @willsommer.bsky.social Senior reporter at The Bulwark. Email: sommer - at- thebulwark.com. Signal: willsommer.38
Stephen King @stephenking.bsky.social Writer
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
Harvard Business Review @hbr.org The best ideas in business and management to help people, organizations, and economies work better.
Corey S. Powell @coreyspowell.bsky.social Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Carolyn Porco @carolynporco.bsky.social Voyager & Cassini! AAS Carl Sagan Medal 2010. Asteroid Porco 7231. Inaugural NatGeo Eliza Scidmore Award. Living my best life.
If you like what you see here, signup for my newsletter on Substack!
https://carolynporco.substack.com/
Keith Smith @drkeithsmith.bsky.social PhD, occasional astronomer, talking head, science geek, cynic. Senior Editor at @Science.org, responsible for research papers in astronomy and planetary science. Views own, duh. Bio: https://www.science.org/content/author/keith-t-smith
Adam Rutherford @adamrutherford.bsky.social I had a marvellous time ruining everything.
Professor of Genetics @UCL, Public Humanities Fellow @SAS. Ex-President of @Humanists_UK Genetics, race, eugenics, books, cricket, +–=÷×
@kbjmanagement
adamrutherford.com
UCL-Birkbeck Planetary Science @ucl-bbk-cps.bsky.social News and activities from the Centre for Planetary Sciences at UCL/Birkbeck, a leading centre for planetary science in the UK. With experts from UCL depts of Earth Sciences, Physics & Astronomy, Space & Climate Physics (MSSL) and Birkbeck Natural Sciences.
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
Space @redditspaceviewes.bsky.social Welcome,this account is devoted high-quality image of space,sharing quality astrophotography science &Technology
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
Susanne Schwenzer @spsmars.bsky.social Professor of Planetary Mineralogy, with a love for Mars, impact craters, cats and music
Frank Nuijens @franknu.com Strategic communications advisor, team leader, teacher | owner FrankNu | Executive communications professional specialised in corporate and science communication | 🫶- S SpaceNews [Unofficial] @spacenews.com.web.brid.gy Business. Politics. Perspective. SpaceNews is the most trusted and comprehensive source of news and analysis of the companies, agencies, technologies and trends shaping […]
🌉 bridged from 🌐 https://spacenews.com/: https://fed.brid.gy/web/spacenews.com
Scarlett Li-Williams @scarlettlw.bsky.social Science Communications, Education & Engagement
Illustrator✏️ Writer✍️ Presenter🎤 Artist 🎨
Biologist 🧪 | Space Nerd 🛰
Wildlife Photographer 📷
www.skyplumstudios.com
All views & opinions are my own 🌈
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)
Megan Watzke @mwatzke.bsky.social I write about science, particularly space and space-related topics. I've written some books already out there and another is on the way. https://www.arcandwatzke.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.
Josh Dinner @joshdinner.bsky.social Space.com writer and photographer, posting (mostly) in haikus. The internet is a weird place. Let’s be nice here.
Sharmila Kuthunur @skuthunur.bsky.social Space journalist. ✍️ in Scientific American, Astronomy Magazine, Science, Space.com, Payload Space + more. Signal @SharmilaKuthunur.01 | sharmilak@proton.me
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/
Orbital Policy Group @druidorbital.bsky.social Viewpoints and opinions on policy issues relating to Low Earth Orbit, including policy, science, governance, and cybersecurity.
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
Chad Anderson @chadson.com Author of The Space Economy, published by Wiley.
Founder and Managing Partner at Space Capital.
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
christian davenport (aka "science", "bittah ninja" [wutang]) @christiandavenport.bsky.social charles tilly distinguished prof of conflict/violence, peace & (soon) love at the university of michigan but more broadly a thinker, writer, human, lover of life/freedom/power & artist (not necessarily in that order). for more: www.christiandavenport.com
Kenneth Chang @kchang.bsky.social Science reporter, The New York Times. Writes stuff.
Jackie Wattles @jackiewattles.bsky.social Space Reporter @ CNN
Signal: jackiecnn.04
Tim Fernholz @timfernholz.com journalist, author, internet participant
writing and reporting on space, AI, and public policy
I always want to hear your tips and ideas on signal: tim_fernholz.21
timfernholz.substack.com | www.timfernholz.com
Oakland, CA
Joey Roulette @joroulette.bsky.social Reuters' space reporter
Miriam Kramer @miriam.bsky.social News editor at WPLN in Nashville. Still going to remind you that it's not aliens. It's never aliens.
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
Jeff Foust @jfoust.bsky.social Senior Staff Writer, SpaceNews. Tips? Email jfoust@spacenews.com or contact on Signal: jfoust.58.
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
Elizabeth Tasker @elizabethtasker.bsky.social UK astrophysicist and science communicator working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory' and editor of ‘Planetary Diversity’. Very into space, virtual reality, computer graphics and rescue cats.
Scott Kelly @stationcdrkelly.bsky.social Former NASA Astronaut & US Navy Captain | Inquiries: Keppler Speakers or United Talent Agency | Husband to @amikokelly.bsky.social | Brother of Senator Mark Kelly | When disaster strikes and all hope is gone, get down on your knees and pray for Shackleton.