J Mission Alerts @alerts.jmission.space Automated instrument alerts from jmission.space — index moves, launches, filings, new dispatches. Runs unattended; every number is computed from a cited source, never written by hand (or model). Maintained by @jmission.space.
AstroBin @astrobin.com Home of Astrophotography since 2011.
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
David Burbach 🇺🇸 @dburbach.bsky.social Prof. National Security and International Relations. Space security, civil-military relations. Cats, science, photography for fun. Providence RI; Oregon at heart! Personal views ONLY; no govt resources used. Assoc Ed @TNSR.org
Tom Gabriel Warrior @tomgabrielwarrior.bsky.social This is the official Bluesky page of Tom Gabriel Warrior.
Hellhammer / Celtic Frost / Triptykon
Co-Director Museum HR Giger (posted opinions are my private ones)
Vegan for the animals.
fischerisdead.blogspot.com
Deep Space Network @dsn-status.bot.country Tracking what NASA's Deep Space Network listens to. Unofficial.
Mark Marley @markmarley.bsky.social Personal account. Substellar science since the 80s.
Emily Rice @emilylrice.me Astronomer at CUNY & AMNH, CEO of STARtorialist, HQ for Astronomy on Tap, I guess I’m trying to make science fun?
My shop: shop.STARtorialist.com
Morgan Denman | Space-Focused Designer & Illustrator @morgandenman.bsky.social • Space-focused graphic designer and illustrator
• Sr. Graphic Designer for NASA HQ
• Freelance Mission Patch Designer
• Cancer Survivor
• Opinions are my own
http://bio.site/morgandenman
Kenneth Chang @kchang.bsky.social Science reporter, The New York Times. Writes stuff.
CanberraDSN 📡 @canberradsn.bsky.social Part of NASA's Deep Space Network , providing two-way contact with dozens of robotic spacecraft exploring the Solar System and beyond. All skeets are our own and not those of NASA, JPL or CSIRO.
Andy Rivkin @asrivkin.bsky.social Planetary Astronomer on #TeamAsteroid; Gedankenband member/guitarist; “Surprisingly nonchalant” according to Wired. He/him הנני 🌻
Work Output: https://scholar.google.com/citations?user=aGVsk3IAAAAJ
Play output: https://andyrivkin.bandcamp.com
Erin M. May, PhD @astronomay.bsky.social Staff Astronomer @ a place - Exoplanet Atmospheres. All data is good data.
Plus Knitting, Stickers, Baking, and other crafty things. Toddler mom.
Previously known as @_astronoMay on the other site.
ErinMMay.com
SiderealStickers.Etsy.com
Hannah Wakeford @stellarplanet.bsky.social Exoplanet scientist. Science communicator. Author. Podcaster. Miniature painter. Wife. Cat mum.
Dr. Fred J. Calef III @mapperwocky.bsky.social Science Systems Engineer @NASA/JPL-Caltech. PhD in Geology. 30+ years Geospatial experience. PI for the FOSS4G Multi-Mission Geographic Information System (MMGIS https://github.com/NASA-AMMOS/MMGIS).
Not a NASA account.
Never met a rock I wouldn’t lick.
Mary Lynne Dittmar, Ph.D. @dittmarml.bsky.social CEO / 4X Founder / Senior Advisor / Business Insider Ten Power Players in Private Space Exploration
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
Patrick McGovern @planetpatman.bsky.social Planetary Scientist, Husband, and Father. Was hockey player, now sedentary blimp. Board/strategy gamer with minimal playtime. Tsundoku Master. Opinions are mine alone.
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
Chelsea Gohd @chelseagohd.bsky.social Science Writer + Presenter, currently @ NASA JPL
biologist, M.S.
bylines: Scientific American, Space.com, LiveScience, and more
music @ Foxanne, foxanne.bsky.social
she/her
thoughts/opinions shared my own
chelseagohd.com
Justin Walsh @jstpwalsh.bsky.social Impossible archaeologist (space/Everest), space hab consultant, ancient Mediterranean, heritage | Prof at Chapman U | Fellow at USC | Explorers Club 50 | https://issarchaeology.org / http://brickmoonspace.com | He/him | Settler on unceded Tongva land (LA)
Astrogator John @astrogatorjohn.bsky.social Astrogation, Space Strategy & Mission Concepts, Analysis, Software, Training; Experience with LEO, GEO, Cislunar, Lunar, Libration-Point, Interplanetary
CTO of SEE.com
Ben Feist @benfeist.bsky.social Software Engineer, Data Visualization & Informatics and Historian at NASA Johnson Space Center. Creator of ApolloInRealtime.org, Astromaterials3D,
@apollo11movie team. Other account: @benfeist@astrodon.social
@lorigarver.bsky.social @lorigarver.bsky.social 
Dr. Debarati Das @debaratidas.bsky.social Space scientist, artist, storyteller, dancer! 🌌👩🎨💃.Nat Geo Explorer. Postdoc- Los Alamos National Labs
Former NASA Mars Sci Lab team member.
I ♥️sci outreach & will tell u about the rocks.
https://explorers.nationalgeographic.org/directory/debarati-das
Michael Sheetz @michaelsheetz.bsky.social Firefly Director of Investor Relations | previously @CNBC
f/k/@ thesheetztweetz
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
Hype @hype.aero hype.aero | The leading aerospace news aggregator.
Micah Maidenberg @micahmaidenberg.bsky.social Wall Street Journal reporter covering all things space. Email: micah.maidenberg@wsj.com. Share tips securely: https://www.wsj.com/tips
Recent stories and work: https://www.wsj.com/news/author/micah-maidenberg
Robin / Space Agency @spaceagent.bsky.social Chief of Supercluster, Co-founder of Space Agency, a creative studio built for the new space age. Co-founder of the Autumn Day Foundation, deploying space tech to support remote communities and cultural preservation.
Thomas Burghardt @tgmetsfan98.bsky.social Starship Engineer at SpaceX
Joe Morrison @joemorrison.bsky.social “Controversial industry figure” - Grid News. VP of Commercial Experience at Umbra Space. 🛰 | satellite data for mapping 🗺, monitoring 📈, and 'mergencies 🚨
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
Chad Anderson @chadson.com Author of The Space Economy, published by Wiley.
Founder and Managing Partner at Space Capital.
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
OrbitalFocus @orbitalfocus.bsky.social For those genuinely interested in the finer points of new launches & activities on orbit. Curated by Robert Christy.
www.OrbitalFocus.uk
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.”
Andrew 🚀🛰️ @cosmic-andrew1.bsky.social Space, Rockets, Astrophysics, Nukes, Politics
pat o. 🚀 @space.pato.me Publisher of RocketLaunch.Live, pixel encapsulator for NSF
I like rockets
@spacepat_o on X
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
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Lars Osborne @lars0.bsky.social Mechanical Engineer and Rocket Scientist
Chief Engineer at Agile Space Industries
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
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.
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
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
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
✨🇨🇦🏳️🌈✨
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
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.
Isaac Alexander @jetcitystar.bsky.social Editor In Chief JetCityStar. ✈ Aviation , ➤ Defense & 🚀 Space News. Former Hype Aerospace, Global Aerospace Chat & Global Military Aviation Chat Host.
Joalda Morancy @solarrsystem.bsky.social lunar lander engineer, phd student in spacecraft controls, occasional astrophysicist.
joalda.space/aliens
Bobak Ferdowsi @ferdowsi.bsky.social Spacecraft engineer
Business insider’s sexiest scientist of 2013
1553 is the best protocol, change my mind
Dan Vergano @danvergano.bsky.social Director, Science Policy News at American Institute of Physics
Washington, D.C.
All opinions my own & do not reflect any other views. Reposts are not endorsements.
Signal: Delta.357
https://www.linkedin.com/in/dan-vergano-93908b4/
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.
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
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
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
Chris Lewicki @interplanetchris.bsky.social Space Industrialist, entrepreneur, engineer and “near-futurist” focused on the economic development of space.
Pierre Lionnet @lionnetpierre.bsky.social Space Economist (one of the very few). Research and Managing Director at Eurospace. Views are mine not Eurospace. 
CosmicPinot @cosmicpinot.bsky.social Brian P. Schmidt: Astronomer at Mt Stromlo Observatory, Vigneron and Winemaker Maipenrai, Vice Chancellor Australian National University, Nobel Laureate Physics
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
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
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
Adelina Campos @adelinacdc.bsky.social Media Relations at ESA, the European Space Agency. Former journalist.
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
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
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
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
Anatoly Zak @anatolyzak.bsky.social RussianSpaceWeb.com
DutchSpace @dutchspace.bsky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
SpaceKate @spacekate.bsky.social Space journalist, rocket chaser, storyteller. Advocate for diversity and women in STEM. ISU SSP12. Alter-ego of @radiokate.com
www.youtube.com/@NTKSpace
Brandon Haber @malderi.bsky.social Space, software, occasional politics, and bird photos! Software engineer, working on rockets, spacecraft, and things that make fire and loud noises.
Currently: Flight software at Stoke Space. Formerly: APL/Dragonfly, Blue Origin/New Shepard+BE-3, Shuttle
Cosmic Penguin @cosmicpenguinov103.bsky.social Astronomy & spaceflight weeb penguin. In a relationship w/ Space Shuttle Discovery. Starship x Space Launch System shipper. Chinese spaceflight news hunter.
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
Derek Newsome @derek.space Spaceflight Photographer
Fighting to keep the dream alive.
derek.space
derekspace.com
He/Him
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
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
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pākehā; she
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
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
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.
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/
Jake Robins @jakerobins.com Space Geek, Web Developer, YouTuber, 🇨🇦 in 🇲🇽, host of @offnom
Anthony Colangelo @acolangelo.com 
@scottmanley.bsky.social @scottmanley.bsky.social 
Emilee Speck @emileespeck.bsky.social Journalist covering space, weather and climate. Fan of saying “look at the Moon” too much.
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
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.
Will Robinson-Smith @willrobinsonsmith.bsky.social Space reporter for @spaceflightnow.com covering NASA, orbital launches and commercial space | Send tips: will@spaceflightnow.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/
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
Joey Roulette @joroulette.bsky.social Reuters' space reporter
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
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
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.
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
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
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.
Off-Nominal @offnom.com Friends, drinks, & casual conversations about space. Hosted by @jakerobins.com and @acolangelo.com of Main Engine Cut Off.
Lori Garver's mom's favourite podcast
Jackie Wattles @jackiewattles.bsky.social Space Reporter @ CNN
Signal: jackiecnn.04