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
ISS Updates @iss-updates.bsky.social Sharing International Space Station operational events automatically, based primarily on @ISS-Mimic telemetry data, but also crew and vehicle changes.
Telemetry feeds: https://iss-mimic.github.io/Mimic/
https://iss-mimic.github.io/Mimic/dashboard.html
Miles O'Brien @milesobrien.com Journalist and filmmaker covering science, technology, climate, and aerospace for PBS. https://linktr.ee/milesobrien3
SpaceNews @spacenewsinc.bsky.social Established in 1989, SpaceNews is the most trusted and comprehensive source of news and analysis of the companies, agencies, technologies and trends shaping the global space industry.
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
NASA 🔴 Image of the Day (Unofficial) @nasa-daily.bsky.social Regular posts of historical and current NASA "images of the day".
This account is not associated with NASA, but will always post genuine images with full attribution, sourced from www.nasa.gov/image-of-the-day
Managed by 🔴 @redshift.pics
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
Astronaut Terry Virts @astroterry.bsky.social American, Texan, Father, former USAF F-16 pilot & NASA Astronaut. Trying to bring some happiness and sanity down here on Earth.
www.terryvirts.com Book a 1 on 1 call with me at: intro.co/TerryVirts
Tariq J. Malik @tariqjmalik.bsky.social Astrojournalist, rocket fan, Space.com Editor-in-Chief. Covering the 'verse since 2001. @SpacetronPlays on YT. Hailing frequency: tmalik@space.com
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Joey Roulette @joroulette.bsky.social Reuters' space reporter
Julio @aprea.bsky.social Sea and Space Exploration
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
Liz Landau @lizlandau.bsky.social Editor, writer, astronomy enthusiast. You can find my work at National Geographic, New York Times, Quanta, Smithsonian, and more. Views expressed are my own. Portfolio: lizlandau.com
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/
Adelina Campos @adelinacdc.bsky.social Media Relations at ESA, the European Space Agency. Former journalist.
Will Robinson-Smith @willrobinsonsmith.bsky.social Space reporter for @spaceflightnow.com covering NASA, orbital launches and commercial space | Send tips: will@spaceflightnow.com
William Harwood @rocketksc.bsky.social Full-time space reporter, based at the Kennedy Space Center, since 1984; first with UPI, now with CBS News, covering human space flight, planetary exploration, commercial space operations and general astronomy
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.
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.
Wayne Hale @waynehale.bsky.social Curmudgeon at large. Retired NASA Flight Director.
Anatoly Zak @anatolyzak.bsky.social RussianSpaceWeb.com
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
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 🖖🏻
Tereza Pultarova @terezapultarova.bsky.social Science and technology journalist. Shortlist British Science Journalist of the Year 2025 in investigative journalism.
Email: tereza.pultarova@gmail.com
terezapultarova.substack.com
https://www.patreon.com/TerezaPultarova
Gina Sunseri @gsunseri.bsky.social Exploring space !
Emilee Speck @emileespeck.bsky.social Journalist covering space, weather and climate. Fan of saying “look at the Moon” too much.
Brendan Byrne @spacebrendan.bsky.social Host: @awtyspace.bsky.social from Central Florida Public Media
NPR Contributor, covering human spaceflight
Adjunct Instructor of audio journalism at UCF.
@scottmanley.bsky.social @scottmanley.bsky.social 
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
Jackie Wattles @jackiewattles.bsky.social Space Reporter @ CNN
Signal: jackiecnn.04
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
Tory Bruno @torybruno.bsky.social President and CEO United Launch Alliance @ULAlaunch, ...Rocket Scientist, Horseman, proud @calpoly alum
Anthony Colangelo @acolangelo.com 
Jake Robins @jakerobins.com Space Geek, Web Developer, YouTuber, 🇨🇦 in 🇲🇽, host of @offnom
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/
Garrett Reisman @astro-g-dogg.bsky.social USC Professor of Astronautical Engineering
Former NASA Astronaut
Former SpaceX Director of Space Operations
www.garrettreisman.com
One of Two Funny Astronauts
https://www.youtube.com/c/2funnyastronauts
DutchSpace @dutchspace.eurosky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
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- 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.
Manish Khatri @mkhatri.bsky.social Space Exploration, Energy, EVs, Photography, Cooking and other things.
Chief of NASA Flight Operations Safety Office, Husband & Dad. Comments here are my own.
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
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
Brian McNoldy @bmcnoldy.bsky.social Univ. of Miami hurricane researcher 🌀 living in New Mexico 🏜.
Husband and dog dad. 🏳️🌈
https://bmcnoldy.earth.miami.edu/
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
Thierry Breton @thierrybreton.bsky.social Entrepreneur. Teacher. Policy Maker 🇫🇷🇪🇺
Annalee Newitz @annaleen.bsky.social bestselling author * Hugo winner * nerd
latest books: A Wall Is Also a Road, Automatic Noodle, We Will Rise Again
bylines: New Scientist, Flaming Hydra, etc.
pronouns: they/them
all the stuff: www.techsploitation.com
Joanne Manaster @sciencegoddess.bsky.social Book lover, university biology educator, STEM advocate. Increasing your science TBR pile since 2008. Mother of 3 earth scientists & one high school teacher 🧪📚💙
Read Science! https://www.facebook.com/ReadScience
Website: http://joannelovesscience.com
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
Mary Lynne Dittmar, Ph.D. @dittmarml.bsky.social CEO / 4X Founder / Senior Advisor / Business Insider Ten Power Players in Private Space Exploration
Matthew Bodner @bodner.bsky.social NBC News international reporter. Moscow bureau exile. Now in London. Tweets on Russia, etc. Former Space Camp shuttle commander. Sailor.
Pierre Lionnet @lionnetpierre.bsky.social Space Economist (one of the very few). Research and Managing Director at Eurospace. Views are mine not Eurospace. 
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning.
Also: open web developer & enthusiast, working on @astrosky.eco and more
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
The Eyewall @theeyewallwx.bsky.social Reliable, no-hype coverage of tropical storms and hurricanes across the Atlantic from the team at Space City Weather! https://theeyewall.com/
Chris Lewicki @interplanetchris.bsky.social Space Industrialist, entrepreneur, engineer and “near-futurist” focused on the economic development of space.
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
Jamie L. Molaro @spacejammie.bsky.social Planetary Scientist, Artist, Musician, D&D Nerd, Epic Poet. hEDS, Bi ♿️🏳️🌈
I like rocks, study asteroids, and make art out of spacecraft data. I also play harp, own a carousel, and my dog is really cute.
www.jamiemolaro.com
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
Tim Fernholz @timfernholz.com journalist, author, internet participant
writing and reporting on space, AI, and public policy, at TechCrunch and elsewhere
I always want to hear your tips and ideas on signal: tim_fernholz.21
timfernholz.substack.com | www.timfernholz.com
Oakland, CA
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/
Alex Fitzpatrick @alexjamesfitz.com Editor, in your inbox every afternoon @Axios. Dad, pilot. Albany, NY 🍎
Kwisatz Hottie Rack @oksettledown.bsky.social Principal spaceflight dynamics engineer. Uncle of nine. He/him. 27+ only!!🔞
My papers: https://tinyurl.com/cpnpaper
Dune It Well podcast: https://tinyurl.com/dune-it-well
Shirt store: https://tinyurl.com/shirt-store
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
Matt Lanza @mattlanza.bsky.social I am the trick my mother played on the world.
Xennial Meteorologist in Connecticut. Heart always in Houston. Forecasts: theeyewall.com & spacecityweather.com.
I like books, history, sports cards, baseball, Rutgers, #BHAFC.
Opinions my own.
Space City Weather @spacecitywx.bsky.social No-hype source for Houston-area weather forecasts. Operated by Eric Berger and Matt Lanza. #housky #houwx https://spacecityweather.com/
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. 
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
Zach Weinersmith @zachweinersmith.bsky.social New Book out this summer: Sawyer Lee and the Quest to Just Stay Home.
Other things of mine: Bea Wolf, A City on Mars, and SMBC
Website: www.smbc-comics.com
Patreon: https://www.patreon.com/ZachWeinersmith?ty=h
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
Rex Huppke @rexhuppke.bsky.social (VERY SERIOUS) USA TODAY humor(ish) columnist. May or may not be notable. Hypocrisy enthusiast. WOKE MOB, CO-FOUNDER. ENEMY OF THE PEOPLE (2017 to present).
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
Maryn McKenna @marynmck.bsky.social Journalist. Contributing Ed, Scientific American. Senior Fellow, Emory Univ Center for the Study of Human Health. Books: BIG CHICKEN, SUPERBUG, BEATING BACK THE DEVIL. Stories: https://authory.com/marynmckenna. Location: points on the 44th parallel.
Kate Wong @katewong.bsky.social Freelance science writer and editor. Formerly senior editor at Scientific American. I write about human origins, animals past and present, wildlife conservation, ecology and evolution. Birder.
Joshua Benton @joshuabenton.com 21st-century media and the 19th-c American South. Founded and ran @niemanlab.org at @harvard.edu for 12 yrs; now the senior writer there. Cajun, dad of two, husband of one. Journalist with a history problem. Also: @theatlantic.com, @washingtonpost.com, etc
John Timmer @jtimmer.bsky.social Ars Technica's science editor. Various other things that are far less interesting.
Check my author profile on Ars for my email. jtimmer.95 on Signal.
John Schwartz @jswatz.bsky.social UT Austin journalism professor; former NYT, WP. he/him. Galveston BOI. Born at 314.8 ppm CO2.
Jay Rosen @jayrosen.bsky.social Let's see... 39 years teaching journalism at NYU. A critic who tries to be useful. PressThink: the name of my subject and my site. My book: "What Are Journalists For?" (1999, Yale University Press)
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Gabriel @aethucyn.bsky.social I totally forgot to even write a bio.
Evan @evan7257.bsky.social Houstonian. Pulitzer finalist. Constant gardener. "Bastion of the area.” I no longer love our technodystopian future. Build the Ike Dike.
Dwight Silverman @dwightsilverman.com Retired, getting better at it. 30+ years as a tech guy at the @houstonchronicle.com, but no longer columnizing. Still an aspiring cat lady, passable iPhone photographer. Also at https://dwightsilverman.com & https://www.threads.net/@dsilverman
Dan Vergano @danvergano.bsky.social Get AIP FYI Science Policy newsletter: https://www.aip.org/newsletters
Director Science Policy News, Editorial at AIP
Washington, D.C.
Opinions my own. Reposts are not endorsements.
Signal: Delta.357
https://www.linkedin.com/in/dan-vergano-93908b4/
Chris Jones @chrisjones1.bsky.social London UK
Politics, finance, LFC, Red Sox, snark
Lately ChrisJones_1 on the Bad Place
Charles Bergquist @cbquist.bsky.social Director and senior producer at Science Friday, a public radio science program. Ask your doctor if SciFri might be right for you. Restrictions apply.
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Brad Stone @bradstone.bsky.social Editor of Bloomberg Businessweek, author of The Everything Store, The Upstarts and Amazon Unbound. Dad. Suffering Cleveland sports fan.
Bobak Ferdowsi @ferdowsi.bsky.social Spacecraft engineer
Business insider’s sexiest scientist of 2013
1553 is the best protocol, change my mind
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Andrew Freedman @afreedma.bsky.social Senior Reporter, Weather & Climate @cnn. Priors: Axios, WaPo | Alum: The Fletcher School, Columbia Climate & Society | Tips: andrew.freedman@cnn.com | afreedman@protonmail.com | Signal: @afreedmanclimate.03