Daniel Estévez @destevez.net Everything space & RF. Amateur radio operator (EA4GPZ / M0HXM). PhD in Mathematics from Univ. Autónoma de Madrid. he/him
CERN @cern.bsky.social CERN is the European laboratory for particle physics, home to the Large Hadron Collider.
linktr.ee/CERN_official
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
Christopher Miller @christopherjm.ft.com Chief Ukraine correspondent for the Financial Times. 16 years living and reporting in Ukraine. https://www.ft.com/christopher-miller
Author of the book, THE WAR CAME TO US, published by Bloomsbury: https://www.amazon.com/dp/139940685X
OSINTtechnical @osinttechnical.bsky.social PAI enjoyer, OSINT guy @truth.bsky.social , my views/freezing cold takes are my own. Standard spiel about not endorsing retweets, likes, and comments.
James @gravitysra1nbow.bsky.social Uphold Thucydidian-Clausewitzian-Hegelian-Fukuyamist thought.
https://othermeans.substack.com/
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/
Aang23 @aang23.satdump.org A random 21yo interested in satellites and other stuff :-)
Probably mostly known as SatDump's author.
http://ko-fi.com/aang23
Feminist AI LAN Party @feministai.party A safe, inclusive and hacker-oriented space for experimenting with the intersection of feminism and AI.
⚡ https://feministai.party
👩💻 https://github.com/feminist-ai
UpCloud post-FOSDEM @upcloud.com A cloud provider from Finland, with data centers around the world.
Private, secure, cost-effective servers.
This account is run by engineers.
Would you like to know more?
https://upcloud.com
FOSDEM @fosdem.org https://fosdem.org
Design & Data GmbH @designdatagmbh.bsky.social We provide creative content for space, science and technology.
AAS Press Office @press.aas.org Astronomy news curated by the Press Office of the American Astronomical Society. Note: Posting is not endorsing, only informing. aas.org/press Header Image: https://shorturl.at/vb7A1
Daniel Marín @eurekablog.bsky.social Autor del blog Eureka. Canario. Padre. Espaciotrastornado. Colaboro en Naukas, revista AstronomíA y Radio Skylab.
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
"Online Rent-a-Sage" Bret Devereaux @bretdevereaux.bsky.social Ancient & military historian specializing in the Roman economy and military. PhD from UNC History. More impressive credential is that I have beaten both Dark Souls and Elden Ring.
Blogs at acoup.blog
Thomas Piketty @thomaspiketty.bsky.social Professor at EHESS & PSE
Co-Director, World Inequality Lab
inequalitylab.world | WID.world
http://piketty.pse.ens.fr/
SatNOGS @satnogs.bsky.social A global satellite ground station network. Built as an open-source project run by volunteers around the world.
Supported by the Libre Space Foundation.
We hunt satellites! 📡🛰️
Join us!
https://satnogs.org/
Libre Space Foundation @librespace.bsky.social A non-profit organization promoting, advancing and developing free & open-source space technologies and supporting knowledge for space.
Working towards making space open and accessible to all humanity!
https://libre.space/
Spaceflight Now @spaceflightnow.com Providing coverage of space launches and missions since 1999
xkcd Bot @xkcd-bot.bsky.social A bot for BlueSky that posts xkcd comics, shows the alt text, and links to the Explain xkcd site.
By @perevillega.com
Charity Weeden @charityweeden.bsky.social Technology, policy, strategy, and more. Much more. Views are mine alone.
Wayne Hale @waynehale.bsky.social Curmudgeon at large. Retired NASA Flight Director.
El Mantecas @kikegdelariva.bsky.social ¡Fuera de aquí, rata!
Director bajito de El Mundo Today. Librero consorte de La Llama Store. Editor de ratachillona.com
Mikel López Iturriaga @mikeliturriaga.bsky.social Periodista. No soy El Comidista, soy el jefecillo de @elcomidista.bsky.social. Más marica que cocinero
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
Margot Sanger-Katz @sangerkatz.bsky.social Covering health care at @nytimes.com. Enjoy metaphors. Dislike mixed metaphors.
Reach me on Signal: sangerkatz.01
German Aerospace Center (DLR) @dlr-en.bsky.social We're the German Aerospace Center & are passionate about our research in #Energy #Transport #Aeronautics #Digitalisation #Space
dlr.de/en
dlr.de/imprint
Tory Bruno @torybruno.bsky.social President and CEO United Launch Alliance @ULAlaunch, ...Rocket Scientist, Horseman, proud @calpoly alum
ESA Connectivity and Secure Communications @esaconnectivity.esa.int Advancing space-based connectivity – bringing broadband to rural areas, supporting crisis response, enhancing cybersecurity, and connecting everyone, everywhere, at all times. Part of the European Space Agency @esa.int family.
ESA Technology @technology.esa.int Follow the latest news, developments and new technologies from the European Space Agency's R&D Directorate
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
ESA Exploration @exploration.esa.int Sharing news on Europe's human and robotic exploration, from astronaut training to the next giant leap to the Moon and Mars.
ESA Earth Observation @esaearth.esa.int @esa.int #EarthObservation: Taking the pulse of our planet from space.
Please see our Privacy Notice: http://esa.int/connectwithus
We share pictures and news on our planet as seen from space.
ESA Operations @operations.esa.int From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
Valdés @isabelvaldes.bsky.social Periodista. Feminista.
Corresponsal de Género en @elpais.com
Que la vida tenga cumbia, sardinas y birras.
✉️ @ivaldes@elpais.es
✒️ https://elpais.com/autor/isabel-valdes-aragones/
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
Jwst Feed @jwstfeed.bsky.social James Webb - Everything That's Hot 🔥
jwstfeed.com
EUSPA - EU Agency for the Space Programme @euspa.bsky.social The European Union Agency for the Space Programme #EUSPA
European Medicines Agency @ema.europa.eu EU regulatory authority working for public and animal health.
We ensure that all medicines available on the EU market are high quality, safe and effective. Based in Amsterdam.
https://www.ema.europa.eu/
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
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
Space Rocks @spacerocksofficial.bsky.social Bringing space down to earth, in association with the European Space Agency. spacerocksofficial.com
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
NASASpaceflight.com @nasaspaceflight.com Official Account of NSF. News, videos, and community for spaceflight enthusiasts since 2005.
NSF is not affiliated with NASA, initials used with permission.
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Chris Hayes @chrislhayes.bsky.social Bronx boy. Cubs fan. Dad, husband, writer, podcaster and cable news host.
The Sirens’ Call: How Attention Became the World’s Most Endangered Resource out now.
https://sirenscallbook.com/
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
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.
Anatoly Zak @anatolyzak.bsky.social RussianSpaceWeb.com
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Fred Jansen @redplanet00.bsky.social PhD-astrophysics. Was XMM-Newton and Gaia (2006) project scientist (PS) . Was XMM, MEX , VEX, Rosetta, Gaia Mission manager (11,10,7,2,5 yr). ESA (retired).
Randall Munroe @xkcd.com 
AMSAT-DL @amsat-dl.org AMSAT-Deutschland e.V. https://amsat-dl.org
charitable non-profit organisation, designing, building and operating hamradio #AMSAT satellites since 1973. Home of the Phase3 satellites and first Phase4A geostationary #QO100 S/X transponder
Orbital Policy Group @druidorbital.bsky.social Viewpoints and opinions on policy issues relating to Low Earth Orbit, including policy, science, governance, and cybersecurity.
No Aloha Records @noaloharecords.bsky.social https://noaloharecords.bandcamp.com/music
Record label
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Sebastián Forero Rueda @sebastianforeror.bsky.social Madrid. Periodista en El País. Antes cubrí en Colombia conflicto armado, paz, derechos humanos, tierras y política de drogas en El Espectador.
@pantomimafull.bsky.social @pantomimafull.bsky.social 
Enjuto Mojamuto @enjutomojamuto.bsky.social El personaje detrás de la persona... cuando la persona es Joaquín Reyes, claro está.
https://joaquinreyes.tv/
Luz Sánchez-Mellado @luzsanchezmellado.bsky.social La testiga de X
Ursula von der Leyen @vonderleyen.ec.europa.eu President of the @ec.europa.eu
Mother of seven. Brussels-born. European by heart. 🇪🇺
Pablo Turrión (He/Him) @pablots25.bsky.social He/Him | Engineer for ESA & BepiColombo🪐 | Ex-ISS Flight Controller 🚀 | EA4IQL 📡 | 🏳️🌈 | Also in PRISMA Ciencia | Opinions are my own
Geraint Jones @baralawr.bsky.social Project Scientist for the BepiColombo mission at the European Space Agency. Very amateur photographer & doodler. Cymro.
EUMETSAT @eumetsat.int European operational #satellite agency for monitoring weather, #climate and the environment from #space 🛰
eumetsat.int
Tatiana Pandora Saternus🏳️⚧️🏳️🌈 @cosmicfavoreq.bsky.social Astrophysicist, psychologist, gameloc🎮🎲/medical/pharma translator EN-DE-FR-PL-ES-SK 🚀🐕🐈🐈⬛ #SciComm #gamelocalization My ❤️ belongs to Texas.
I crochet. And box. #OFMD #Resist #VoteBlue
DutchSpace @dutchspace.bsky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
Ashgamcio Ortega @ashgam.bsky.social 
Thomas Ormston @thomasormston.bsky.social Engineer flying spacecraft (#Sentinel1 🥰) in #MissionControl for @esaoperations 🚀📡🛰️ Over-enthusiastic space(+stuff) geek 🤓 🇬🇧 in 🇩🇪🇪🇺 + novice Dad!
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.
European Space History @eurospacehistory.bsky.social Enjoying the history of the European space adventure. Continuing from @ESA_History on Twitter.
See our other channels: https://linktr.ee/european_space_history- 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
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
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Todd Master @masteractual.bsky.social Chief Operating Officer at Umbra, delivering global omniscience.
Space, tacos, & the American way. Personal account - all posts, hot takes, & opinions shared are my own. 
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
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
Mr. Handsome @pdrsnche.bsky.social Salí a airearme un rato y vi el cielo azul. // Comunicación política desde el buen rollo
Silvia Intxaurrondo @sintxaurrondo.bsky.social Periodista.
“Solas en el silencio” es mi primera novela 
Ukrainska Pravda 🇺🇦 @pravda.ua Official English page of Ukrainian media outlet "Ukrainska Pravda"
https://www.pravda.com.ua/eng/
Facu Díaz @facudiaz.net En Bluesky desde 2008. De gira en http://www.facudiaz.net
Cathrin Machin Space Art @cathrinmachin.bsky.social Space Artist & Telescope Operator 🚀
Grab my 2026 Calendar here 👇
https://catmachin.com/products/2026-calendar
Antón Losada @antonlosada.bsky.social Mariñano, pai de Mariña. Fillo de Lousada e de Doña Azucena. Catedrático acreditado de
Ciencia Política, na USC. Investigador principal no CISPAC. Son eu.
European Commission @ec.europa.eu News and information from the European Commission. Social media and data protection policy: http://europa.eu/!MnfFmT
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- M Mark McCaughrean @markmccaughrean.bsky.social Former Senior Advisor for Science & Exploration at the European Space Agency / JWST Science Working Group Interdisciplinary Scientist / Co-founder Space Rocks / Refugee from the other place / Author, cycling, music, science, & Tigger
Juan Font Alonso @juanfont.bsky.social 🤖 🚀🛰 🇪🇺 🌐 🥑 🍹 🏳️🌈 🇺🇦
Cloud and DevOps infrastructure at the European Space Agency (esa.int). ~~ Opinions are my own ~~
Creator of headscale.net.
font.eu
Miguel Eduardo Gil Biraud @mgilbir.bsky.social Software developer, telecommunication engineer, space geek, geo enthousiast and public speaker
Roger Senserrich @4freedoms.es Poldavo militante, pro-naumaquias. Amante de la burocracia. Substack sobre política americana en https://4freedoms.substack.com/.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app