Christoph Seidler @chs42.bsky.social Science and technology editor at DER SPIEGEL in Germany. Threema: U4KA7S8Y
Jörg Ritter @joergritter2.bsky.social https://www.facebook.com/joerg.ritter/photos_albums <-- SF&F convention pics galore
SF&F maniac | BlueSky is my tool for all thinks (geo)politic incl. military aspects/medical/scientific/SF&F etc.; don't expect kittens!
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
⬇️ buffer.com/bluesky
Satslice @satslice.bsky.social Satslice builds and operates open source satellites for missions in the public good.
SkySaac @skysaac.bsky.social https://flosrocketbricks.com/
Brick rocket enthusiast and CS student from Germany!
Mario Billiani @starbase.bsky.social Future astronaut, Unistellar ambassador, exoplanet explorer, KBO co-discoverer, wannabe rocket scientist, occasional palaeontologist – boldly fighting entropy
SpaceRef @spaceref.bsky.social Founded in 1999, SpaceRef is a new media company focused on the space sector.
stromgade @stromgade.bsky.social News about Earth Observation. Author of http://satelliteobservation.net and http://therestlesstechnophile.com . Views my own.
Will Pomerantz @pomerantz.bsky.social Head of Space at AeroVironment - my team makes Mars helicopters. Co-Founder, Brooke Owens Fellowship and Patti Grace Fellowship. Former planetary scientist. Husband, Dad, and Den Leader
Erik Laan @spacerik.bsky.social Space Industry Professional and Lecturer Applied Aerospace Engineering at the Inholland Space Lab in Delft, NL - regular co-host of the BNR Space Cowboys Podcast
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. 
David Todd @toddyspace.bsky.social Space analyst and writer at Slingshot Aerospace. This is a back up now to my main Twitter/X account, just in case I leave or get thrown off.
Destination Orbite @destinationorbite.bsky.social Destination Orbite, le site de l'exploration de l'espace. Vous y trouverez toute l'actualité publiée sur le site et plus encore 🛰🚀🪐
https://destination-orbite.net
T.S. Kelso @tskelso.bsky.social Operator of CelesTrak, the world's first source for orbital element sets and related software and educational materials.
Cees Bassa @cbassa.bsky.social Astronomer at ASTRON in the Netherlands, working with the LOFAR low frequency radio telescope. 
r/ISRO @r-isro.bsky.social Subreddit bot 🤖
https://www.reddit.com/r/ISRO/
Stefan Barensky @stefanbarensky.bsky.social Journaliste spatial, parfois dans la Lune mais les pieds sur Terre.
Geoff Richards @geoffrichards.bsky.social Former compiler of Satellite Digest for SpaceFlight magazine
Edoardo Giammarino | Space Reporter @edoardo.spacevoyaging.com Space Reporter, Co-Founder & CEO at spacevoyaging.com
Proud Red Cross First Responder
[Opinions my own]
Anatoly Zak @anatolyzak.bsky.social RussianSpaceWeb.com
Rocket Lab Follower @deezmemes.bsky.social Space, science, tech and democracy enthusiast progressive. Following the meteoric rise of the company Rocket Lab, a disruptor of Musk's SpaceX launch monopoly. Not affiliated with the company. See feed "Rocket Lab Follower Feed."
Rocket Lab @rocketlabcorp.com Official account for Rocket Lab, the end-to-end space company. We build rockets and spacecraft that open access to space to improve life on Earth.
Marcus Cyron 🇺🇦 🇮🇱 🇦🇲 🇬🇪 🇰🇷 🇹🇼 🇪🇺🏳️🌈🏳️⚧️ @marcuscyron.bsky.social ⚱ 🏛🌻🌴💉Politics * Wikipedia * GLAM * Archaeology * Antiquity * Classics * Sports. Wikipedian in Residence DAI in 2012 * Europe unite + Antifa + NoAfD + BLM + TeamScience + Stand with Ukraine + Israel + Iranians + Armenia + Georgia + Taiwan
Jeff Foust @jfoust.bsky.social Senior Staff Writer, SpaceNews. Tips? Email jfoust@spacenews.com or contact on Signal: jfoust.58.
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
Federation of American Scientists @scientistsorg.bsky.social Striving for a safer world since 1945
science policy | nuclear weapons | clean energy | STEM education | artificial intelligence | data privacy | much much more
Clara Moskowitz @clarakm.bsky.social Senior Editor at Scientific American, covering astronomy, physics and math. She/her 🏳️🌈
Alan Boyle @b0yle.bsky.social Science editor / GeekWire / Universe Today / Cosmic Log / Fiction Science podcast / The Case for Pluto
Mikhail Kokorich @kokorich.bsky.social Enterpreneur, engineer, father- E Erik Laan @eriklaan.bsky.social Musician, advocacy for MSF
Raytheon Technologies @raytheontech.bsky.social Customer success is our mission. 
NextLaunch @nextlaunch.bsky.social Rockets, you know?
Defense News @defensenews.bsky.social Defense News is the global defense community's leading source of news & analysis on programs, policy, business & tech. Sign up for our newsletters: http://defensenews.com/newsletters
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
Gunter Krebs @skyrocket.de Spaceflight Historian & Analyst, Nerd, Physicist and Editor of Gunter's Space Page (http://space.skyrocket.de)
Jeffrey Lewis @armscontrolwonk.bsky.social Professor at the Middlebury Institute, member of the National Academies Committee on International Security and Arms Control, and former member of the State Department's International Security Advisory Board.
Ian J. O'Neill @astroengine.bsky.social NASA JPL news media specialist. Topics include (not limited to): ☄️🛰️📡🪐🌕⚛️ Solar physics PhD. Science communicator, writer. Opinions are mine, mine, all mine. he/him
Marco Langbroek @marcolangbroek.bsky.social Lecturer in optical Space Situational Awareness at Delft Technical University, faculty of Aerospace. Spy sats, missiles, meteorites, asteroids. Asteroid (183294). Lapsed Archaeologist (PhD). Rowing. CFS. Opinions my own.
blog: http://sattrackcam.blogspot.c- A Kjell Lindgren @astrokjell.bsky.social Husband, Father, Physician, Astronaut, Space nerd in paradise.
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
Steph Evz @stephevz.bsky.social She/her. Aerospace engineer. ALL THINGS SPACE. Book worm. Sports enthusiast. Trying to write stuff. Creator of The STEMulus on YouTube and sci comm human.
https://www.thestemulus.com/
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
William Shatner @williamshatner.bsky.social 
Brian Weeden @brianweeden.bsky.social Space policy wonk, former engineer, husband, father, Dungeon Master, and all around geek. I post things I find insightful, informative, or provocative
George William Herbert @georgewherbert.bsky.social IT/Cloud/SRE/PE, rockets & missiles, nukes not going bang, space, CS, ships. YIMBY & amateur transit geek. Part time adjunct @ miis.edu teaching Missiles & Missile Defense. I speak for myself only not $DAYJOB. V95.45XA I do #OSINT against nuclear missiles.
PRIDE is every single day you live 🏳️🌈🏳️⚧️💪✊ @jaredhead.bsky.social Spaceflight yakyak at Griffith Observatory and @tmro.tv. Space Shuttle keeper at CMSC. Rocket Scientist. Writer. Bipolar T1. F1/WEC/MLB fan. Mountaineer. Jeeper. Gundam/Gunpla. Split time between LA and SF. Pan/Poly They/He 🏳️🌈🏳️⚧️#OpinionsOurs 🚫AI here
Shea Cotton @sheacotton.bsky.social 
RAND @rand.org We arm leaders with the information they need to tackle the toughest policy problems. Nonprofit, nonpartisan. 📥 Get our newsletter: https://bit.ly/4haSUVK
www.rand.org
Asif Siddiqi @historyasif.bsky.social New Yorker. Historian of Science and Technology. Space. Music. Soviet History. Comics
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.
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.
Adam Mount @ajmount.com Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.
J. Michael Straczynski @straczynski.bsky.social Writer/producer. Babylon 5, Sense8, Changeling, Thor. Amazing Spider-Man, Captain America. Together We Will Go, The Glass Box. DO NOT POST STORY IDEAS.
Scripts, behind the scenes posts and a lot of conversation at https://www.patreon.com/thejoepage
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
Ticia Verveer @ticiaverveer.bsky.social Archaeologist🏺📜Writer
Collector of stories, old and new 🏛️
From ancient ruins to historic homes 🗝️🌳 Where history lives.
Historisch journalist | WWII
Ambassador Global Fund for Women (2012-22)
www.ticiaverveer.com
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/
Geoff Barrett @gdbarrett.com Keeper of whoisinspace.bsky.social and http://Snatoms.com | Graphics and Thumbnails for Smartereveryday- S @senficon.bsky.social @senficon.bsky.social
Meg Schwamb @megschwamb.bsky.social Planetary scientist & astronomer at Queen’s University Belfast: KBOs, Planet Four(Mars), exoplanets (Planet Hunters NGTS) ,LSST SSSC co-chair. Opinions posted are my own. Pronouns: she/her
erzaehlmirnix @erzaehlmirnix.bsky.social Linksgrüne Paint-Comics & Flucherei
erzaehlmiralles@gmx.de
Ekaterina Pavlushchenko @katlinegrey.bsky.social Space exploration enthusiast. #NoToWar
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/
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
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. 🖖🏼😋❤️
George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Dr. Sarafina El-Badry Nance @starstrickensf.bsky.social Astrophysicist. Author of STARSTRUCK (PEN/E.O. Wilson Longlist, NCBA finalist, a Penguin Random House Common Read). 🧿🇪🇬 BRCA+ occasional model, fervent activist.
Ralph Ruthe @ruthe.de Autor, Musiker, Filmemacher, Cartoonist
Amaury @amaury-cts.bsky.social 22. Passionné de spatial (surtout chinois), photographe amateur, souvent dans un train vers les coins paumés d'Europe 🚀🚆🇪🇺
Krieg und Freitag @kriegundfreitag.bsky.social „Um die Wette existieren“ - jetzt überall, wo es Bücher gibt! 
Mary Robinette Kowal @maryrobinettekowal.com Hugo, Nebula, and Locus Award-winning and USA Today best-selling author, narrator, and professional puppeteer. Also has a talking cat. Latest title: Apprehension.
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
Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social Space archaeologist | Global Expert Group for Sustainable Lunar Activity | Asteroid 551014 Gorman | Dr Space Junk vs the Universe. https://mitpress.mit.edu/9780262539654/dr-space-junk-vs-the-universe/ | Blog https://zoharesque.blogspot.com/
Larry Nemecek — Dr. Trek! @larrynemecek.bsky.social Bluesky, smilin’ at me!
Inquirer, recorder, communicator, preserver of Star Trek; NYT bestseller TNG Companion, Stellar Cartography; + online PORTAL 47 biz, Second Opinion, Trekland Tuesdays LIVE, Cadet Alice shows — plus Will Rogers, politics & Sooners 🏈.
Katharina Nocun @kattascha.bsky.social Autorin. Im Vorstand von Lobbycontrol. Politik & Internet. Bücher: Die Daten, die ich rief, Fake Facts, True Facts, Gefährlicher Glaube
Podcast: https://denkangebot.org
Alles andere: https://wonderl.ink/@kattascha
Marina Weisband @afelia.bsky.social Bildung, Beteiligung, Demokratie.
Pia Lamberty @pialamberty.bsky.social Psychologin & Autorin | Psychologie für turbulente Zeiten: Psychologische Beratung • Trainings & Workshops • Vorträge |
➡️ Mehr unter pialamberty.de
📚 Mein neues Buch: „Der Untergang kann warten - Wie wir in Krisenzeiten Hoffnung schöpfen“
Dave Blass @daveblass.bsky.social Production Designer: Star Trek Picard, The Boys, Ghost Rider, Amazing Stories, Locke & Key, Preacher, Constantine, Justified, Pitch, Quantico, Longmire, Rectify
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.
Evergreen Intel @vcdgf555.bsky.social OSINT, geolocations, air/sea data. Snarky AvGeek.
Cites: NYT, Мілітарний, Newsweek, The Aviationist, TWZ, A&SF Mag
"Sharp-eyed aviation buff & flight tracker" ~ Brian Williams
https://buymeacoffee.com/vcdgf555
She/her
H I Sutton @covertshores.bsky.social Independent Defense Analysis, Unconventional Naval Warfare, author, submarines, #OSINT, illustrations. Mostly typos
http://www.hisutton.com/
Jennifer Johnson @jajohnson.bsky.social Astronomer. Fan of the Galaxy. Member of @sdssurveys.bsky.social. Periodically interested in origin of elements. Still working on triple pirouette.
Julia Bergeron @juliabergeron.bsky.social Screenwriter. Finalist in Austin FF, ScreenCraft, Page, Stowe, Writers Lab. Different scripts. Same great taste. ;-)
Grace Panetta @gracepanetta.bsky.social political reporter @ The 19th. new englander, bad speller, hot sauce enthusiast. 
Andrew Stroehlein @andrewstroehlein.bsky.social Worked over 2 decades with Human Rights Watch & International Crisis Group. Subscribe to my free newsletter, "International Affairs for Normal People": https://www.internationalaffairsfornormalpeople.eu/
Other links: https://linktr.ee/andrewstroehlein
Flightradar24 @flightradar24.com The world’s most trusted flight tracker.
Tom Gauld @tomgauld.bsky.social Cartoonist and Illustrator. My book of science cartoons, PHYSICS FOR CATS, is available now! www.tomgauld.com
Sascha Lobo @saschalobo.bsky.social Autor. Internet.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Aric Toler @aric.bsky.social Visual Investigations at The New York Times
Dr Jan Eldridge @astro-jje.bsky.social NZ theoretical astrophysicist studying exploding binary stars. Sci-fi addict, feminist, non-binary femme. Pronouns: she/her/they. All views my own.
The Intel Crab @intelcrab.bsky.social Open source investigator. An actual human. Not a real crab, believe it or not. 
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs
Harry Stranger @spacefromspace.com Satellite images past and present 🛰️
Building an archive of interactive declassified spy satellite images 🕵️
https://spacefromspace.com
David S. F. Portree @dsfpspacefl1ght.bsky.social history guy, science writer, educator, map librarian, archivist, 58 yrs a space exploration nut, ex-NASA, ex-US Geological Survey, now doing local history among the pines in Flagstaff AZ USA
Save NASA space science
https://spaceflighthistory.blogspot.com
Susanne Auer @auersusan.bsky.social Space: Exploration, Science, Launchers. Special focus on industry and European developments.