Rubin LSST:UK @lsstuk.bsky.social The UK contribution to the NSF-DOE Vera C. Rubin Observatory @vrubinobs.bsky.social Legacy Survey of Space and Time (LSST). https://www.rubin.ac.uk/
Tim Ventura @timventura.com Technologist & futurist tracking the technologies shaping the human future. Host, Tim Ventura Interviews. Founder, Alt Propulsion
Stephen Serjeant on W @stephenserjeant.wsocial.eu Backup a/c. Astronomy Prof at Open University. 26.2. #RejoinEU, £➡️€. Views not OU’s and often not even mine. He/him
🐘 https://mas.to/@stephenserjeant
🧵 https://www.threads.net/@prof.stephen.serjeant
ORCID https://orcid.org/0000-0002-0517-7943
Steven Rieder @stevenrieder.eurosky.social Also @rieder.mastodon.social.ap.brid.gy, here to read more than to post.
Eugene (Yoogeun) Song @eugeneyoogeunsong.bsky.social High-Energy Physics @ Imperial @imperialphysics.bsky.social |
Machine Learning | Quantum Computing | Quant Research | London-based (2023-Present) |
28 | 송유근 | 🇰🇷 living in 🇬🇧 | Making Europe home | INTJ E3 | he/him |
http://www.linkedin.com/in/yoogeunsong
Beatrice Heinze Photography @beatriceheinze.bsky.social Astrophotographer from Belgium. Posts are mostly about astrophotography, and macro photography. All posts are mine except reposts.
Website: https://beatriceheinze.com/
Newsletter: https://beatriceheinze.com/about/
#astrophotography #astronomy #macro
Luke Dones @lukemeister.bsky.social The comet is coming.
Fan of SA Spurs and Toronto Blue Jays
Woke, but sleepy
> 67,800 years old
Folks lend a hand in a hellhole
Tomorrow may never come
For you and me, life is not promised
- Yasiin Bey, Umi Says
🎧 https://www.nts.live/
🪐🐈🦝🦔
John Michael White @johnmichaelw.bsky.social Is all about New Labour, #nffc, #threelions, #veganism, Brett Anderson, Morrissey, physics, Star Trek, @lordshortcake.bsky.social, and thinking tea, lovely tea, solves most ills
Porter Square Books in Cambridge & Boston @portersqbooks.bsky.social Fiercely independent bookstore in Cambridge and Boston, MA
https://linktr.ee/portersqbooks
catsinfrance @catsinfrance.bsky.social NW France. Cats. Sewing. Sci-fi. Pro EU. Anti-Tory & the far-right. Anti-Brexit. Irish/British dual national loving life in France.
Sarah Murphy @13sarahmurphy.bsky.social Welcome to my shiny new echo chamber… hoping here that I can keep it clean and tidy and ‘woke’.
IRL - lawyer (of the lefty, campaigning variety).
Cephalopods Daily @cephalopodsdaily.bsky.social 🐙🦑 Cephalopod Enthusiast 🇨🇦 iNaturalist Junkie 🦑🐙
Bob Bell 🇨🇦 @thebirderbob.bsky.social Avid birder, Lyme patient, author of "Out of the Lyme Light and into the Sunlight" Read about my frustrating journey with Lyme, and how birding helps me cope with chronic pain. Photos all by me. #birds #cats #Lyme #naturetherapy #wellness #birding
Eden @edenbrandy.bsky.social Visionary. Love reading, cats, anarchy - oops, I mean chocolate and my family. Not necessarily in that order. 
Diogo Melo @damelo.net Evolutionary biologist, programmer, crappy musician. Assistant professor at the University of São Paulo. damelo.net
Vidya Sagar V @vidyasagarv.com Particle physicist at @cnrs.fr . Scientific programming enthusiast.
Anne Liljeström @anneliljestrom.bsky.social An outreach astronomer by day, here for other sciences and history, mental health, human rights, LGBTQ+, climate. 🎲🎮🍋🪨💤 | Agender, demi. FIN/EN, they/them.
🖊️📘Miksi Kuu ei putoa? Lasten kysymyksiä avaruudesta https://tinyurl.com/miksikuu
📷 Mikko Käkelä
Rob Tilsley @stargazerrob.bsky.social Astrophotography shenanigans.
Nicolas Balcom Raleigh @spacefire.ca Academic researcher in the field of Futures Studies, futures literacy specialist, and international consultant. I help groups explore transformation to innovatively address climate change. Photo credits: Skies and Universes- Uuchu (cfca-fig2-full) & Nasa.
Christian Möstl @chrisoutofspace.bsky.social Heliophysicist | Head, Austrian Space Weather Office @aswogeosphere.bsky.social | GeoSphere Austria https://geosphere.at/en/topics/disaster-protection/space-weather |☀️💥💨🌍 | erc.europa.eu HELIO4CAST | http://helioforecast.space | he / him
Natasha Vizcarra @natashavizcarra.bsky.social Freelance science journalist | Earth science, conservation, wildlife | Cat mom + plant nerd | Recent words in Science News Explores, Science News & others | Tracking interesting research, posting new stories, sharing resources | www.natashavizcarra.com
@yosigo.bsky.social @yosigo.bsky.social 
Paul Naish @paulnaish.bsky.social Executive Publisher at T&F. ❤️ 🐕 🍩 🍨 ☀️ #scicomm #physicalsciences #mathematics #statistics #datascience #history #science #STS
Peter Welsh @peterwelsh68.bsky.social Green Party Member. NHS Worker. Wells. Somerset. Green Runner. Late Rosette Adopter. Hot Fuzz Superfan.
Panagiotis Xipteras @xipteras.com Astro & Nature Photography | Storyteller: Stars, Myths & Deep Time | Tech & AI Adopter | Equipment Reviewer | Earth🌿 & Space Advocate | No Politics | Website: https://www.xipteras.com
Zack Polanski @zackpolanski.bsky.social Green Party Leader (England & Wales)
London Assembly Member.
🏳️🌈
https://podcasts.apple.com/podcast/id1837201724?i=1000724643828
Dr. Emily Moravec 📡 @dreamoravec.bsky.social Assistant Scientist at Green Bank Observatory, radio astronomer, studies radio galaxies and galaxy clusters, paragliding pilot, triathlete, traveler.
https://www.emilymoravec.com
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
Dr. Skylar Grayson @skylargrayson.bsky.social Astrophysics PhD ✨ studies black holes and galaxy evolution 🌌Science Communicator (find me other places at “Space According to Skylar”)
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
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
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.
Chris Hadfield @cmdr-hadfield.bsky.social Astronaut, back on Earth after 3 spaceflights. For events & media, please write to info@chrishadfield.ca. Order books at http://chrishadfield.ca/books
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.
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
Captain Mark Kelly @captmarkkelly.bsky.social Navy combat veteran and retired NASA astronaut. Husband to @GabbyGiffords.bsky.social. United States Senator for the great state of Arizona.
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
Bugatti Spaceships 🚀 👩🏾🚀 @astronaia.bsky.social To God be the Glory | Aerospace Engineer | PhD Student | NASA Space Fellow | #ForbesUnder30 | Future Astronaut ✨ she/her | opinions mine
https://linktr.ee/astronaia
Debbie Moon @debbiemoon.bsky.social Screenwriter, hiker, fangirl, armchair astronaut. Eater of cake and friend of cats. WOLFBLOOD, HINTERLAND, THE SPARTICLE MYSTERY. Reps: Gary Wild, JFL Agency (UK), Sukee Chew, Hopscotch (US). She/they.- A Kjell Lindgren @astrokjell.bsky.social Husband, Father, Physician, Astronaut, Space nerd in paradise.
Kris Stoever @krisstoever.bsky.social Rene's daughter. Coauthor, with my dad, of "For Spacious Skies: The Uncommon Journey of a Mercury Astronaut" (Harcourt 2003), bestseller, LAT and NYT nonfiction lists. 
Dave MacLean @daveatcogs.bsky.social GIS Faculty, Centre of Geographic Sciences (COGS); Fellow, Royal Canadian Geographical Society; co-Director, Esri Canada Centre of Excellence (COGS). My posts
Just getting started on bluesky
Astronaut photos-of-Earth maps: https://isspix.com/MapTourHowTo
Association of Space Explorers @aseastronauts.bsky.social Earth's first emissaries to the cosmos. Pioneering the path to space. Delivering the astronaut perspective.
Tony DiBernardo @tonyd.bsky.social 🪐 Space Education & Communications
👩🏽🚀 Analog Astronaut
🎙️ Podcast Host
Astro Cady @astrocady.bsky.social Astronaut, 24 years at NASA -- Check out my book "Sharing Space: An Astronaut's Guide to Mission, Wonder and Making Change". I'm passionate about the importance of science and exploration in our
lives and standing up for the resources they require.
Sophie Adenot @soph-astro.esa.int European Space Agency (ESA) astronaut on board the International Space Station for the #εpsilon mission.
Astronaute de l'Agence spatiale européenne (ESA) en mission à bord de la Station pour #εpsilon.
Follow her on X, Instagram, Facebook and Linkedin.
Slawosz Uznanski @astro-slawosz.bsky.social 🇵🇱🇫🇷🇨🇭🇪🇺 ESA Project Astronaut. R&D Engineer. Mountaineer. Sailor.
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.
Gordon "Oz" Osinski @drcrater.bsky.social Professor at Western University. Canadian Lunar Rover PI, Co-I on the Artemis III Science Team, and the ExoMars PanCam and Enfys instruments. Explorer. Geologist. Astronaut Trainer. Husband & Father.
Loay @astroloay.bsky.social Equal Rights for all Humans Save our Planet End all Wars.🌍👨🚀 Engineer, Future Astronaut🚀 @NASAArtemis 🌘 🚁 #MarsHelicopter lead @NASAPersevere @blueorigin
Dr. Shawna Pandya @shawnapandya.bsky.social Astronaut | Aquanaut | Physician | Keynote Speaker
Dr. Michaela Musilova @astro-michaela.bsky.social Astrobiologist | >30x Analog Astronaut Commander| Professional Speaker | Author | Science Communicator | President of XtremeFrontiers & Michaela Musilová, o.z.
http://michaelamusilova.com
Dr. Moiya McTier @goastromo.bsky.social “Genuinely funny astrophysicist”
“Artemis reincarnated”
“I want to be her when I grow up”
order MOTHERS OF INVENTION 🏺
moiyamctier.com/muses
Joseph Lorenzo Hall, PhD @josephhall.org Astrophysicist turned advocate; guiding the globe to a safer, stronger Internet. Distinguished Technologist @internetsociety.bsky.social, https://josephhall.org/, (former CDT, NYU, Princeton CITP, Berkekey iSchool/Astro)
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
Prof. Carl E. Fields 💥 @carlnotsagan.github.io Computational Astrophysicist and Assistant Professor @uarizona.bsky.social & @stewardobservatory.bsky.social. #Forbes30u30, Science 2021. He/Him. carlnotsagan.github.io.
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
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.
Christopher Mark Rose @chrisrose.bsky.social Spec fiction writer, engineer, owl. Stories in Asimov's, F&SF, Interzone. Avionics in NASA spacecraft. #ViableParadise #SFF #VP23 #SFWA #Codexian #SciFi #CharmCitySpec #writingcommunity BLM 🇺🇦
Amy Imhoff @amyimhoff1701.bsky.social Digital Brand Director @ The Astro Society💫 Partnerships for STEAM Missions 🚀 Feminist Troublemaker 🚺 Creating Our Roddenberry Future 🖖🏻 NASA IMAP Mission (Heliophysics; '24-'26) ☀️ Swiftie 🫶🏻 Intersectional. She/her. Women's rights are human rights.💪🏻
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
Robert Simmon @rsimmon.bsky.social Data Visualization. Ex-Planet & NASA Earth Observatory. Blue Marble, Earth at Night, color, cartography, occasionally skewed views of Earth. Looking for a job.
Jasmine 🌌🔭 @astrojaz.bsky.social 🪐 utsa/swri physics phd student | ❄️ europa clipper grad affiliate | 🚀 nasa solar system ambassador
space news • photos • facts ↓ links
https://beacons.ai/astrojaz
🪐Ashley 🔭 Lindalía☄️ @that-astro-chic.bsky.social Astrochemist ⚗️ | Planetary Scientist 🔭 | The Realest In The Streets | Founder of BlackInAstro | Fairy Godmother of Astro 🧚🏽♀️| Astronomy's fave hype woman| NASA FINESST| Ice Queen 🧊🌨| Planetary Science Doctoral Student|
Simon Proud @simonsat.bsky.social
I work at the European Space Agency as the mission scientist for the Sentinel-2 and Sentinel-3 next generation missions.
I mainly post nice pictures of the Earth from space!
Note: Not an official ESA account, opinions are my own and mine alone!
Dr. Meredith Wills ⚾️⚾️👀 @bbl-astrophyscs.bsky.social Astrophysics PhD, Baseball HOF, Baseball Deconstruction Expert, Data Scientist, Official Scorer, Superhero, Knitting Designer. Not necessarily in that order.
Signal: bbl_astrophyscs.94
Ann Finkbeiner @annfinkbeiner.bsky.social Freelance science writer, mostly astro, some natsec sci, some women-in-astro, some grief psych, otherwise whatever I can get paid to write about. I love Baltimore, I do.
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/
Kevin 🚀 @astro-kevin.com Spacecraft operator, democracy & bureaucracy enjoyer
Previously at NASA, Stanford, UT Austin
Dr Jake Taylor @astrojake.bsky.social Astrophysicist at the University of Oxford. Researching the atmospheres of exoplanets.
Arianna Long @astroarianna.bsky.social professor studying galaxy evolution & cpo at vanguardstem
servant to my dog. simultaneous coffee + tea snob. dancer. writer.
#BlackinSTEM | autizzy | she/they
Sarah E Moran @offallingstars.bsky.social she/her.
(Exo)planetary clouds/hazes in 👩🏽🔬,💻,🔭
Lover of all worlds, great and small. 🌎🪐
Assistant Professor of Astronomy at UMD.
All opinions just me.
Always screaming inside my heart.
https://tx.ag/moran
Herb Baker @herbbaker.bsky.social Author of 'From Apollo To Artemis: Stories From My 50 Years With NASA.' NASA Alumni League Board of Directors. Speaker and theater actor. Liberal democrat. Astros fan. UT-Austin alum. Website: herbbaker.space
Michael Grabois @mgrabois.bsky.social Rocket scientist: International Space Station EVA Safety. Used to train Space Shuttle astronauts for fun & profit.
Longhorn • Parrothead • Legion of Super-Heroes fan • craps player • Springsteen groupie • international scofflaw
me: linktr.ee/mgrabois
¡Jared! @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. Leftist. Split time between LA/SF. Pan/Poly We/They 🏳️🌈🏳️⚧️✊#OpinionsOurs 🚫AI here
TheDuganMan @theduganman.bsky.social Progressive, retired Space Shuttle Electrical Engineer. Jersey kid, go Mets, supporter of local music, women’s rights, LGBTQ supporter.
Bob Estes @onscrn.bsky.social Texas roots but more than half my life in Boston area. PhD in Physics, UC Berkeley; US-Italian Space Shuttle missions; 60-odd poems published: Louisville Review, Gargoyle, Cola Literary Review, The Moth, Masque & Spectacle, The Madrigal…
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and the upcoming Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
Abby Lee @abigaillee.bsky.social Astrophysics postdoc @ucberkeleyofficial.bsky.social
Mario Livio @mariolivio.bsky.social Astrophysicist
Author: The Golden Ratio; Brilliant Blunders; Galileo and the Science Deniers;
🌏 Is Earth Exceptional w/ Jack Szostak, OUT NOW 🌍
🔭 Formerly with Hubble Space Telescope for 24 years
Mandy Daniels @mandydaniels.bsky.social #19 275 403
Follow me for UK based astronomy and nature photography. All images are copyright. Check out my photographs on EarthSky:
https://ecp.earthsky.org/community-photos/?filter_1_3=Mandy&filter_1_6=Daniels&mode=all
Joseph Gruber @josephgruber.com Satellite ground software/mission ops software engineer. Alum of AWS Ground Station, Blue Origin, NASA Goddard. and the GWOT.
Occasional weather, Python dev, AWS DevOps, space, aviation, and the Phillies 🔔.
Opinions my own.
📍 Colorado
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
Max Fagin @maxfagin.bsky.social Aerospace engineer, pilot & astronomer. Astrodynamics, space systems and ISRU/space resources at Blue Origin. Formerly Purdue, NASA, SpaceX and Made In Space. 🌎🌖🔴☄️
Opinions my own, but call me out if I'm an asshole about them. The 🦜 is Beetlejuice.
Nathan Lowe @nlowe.dev Principal SRE for Starlink at SpaceX. Linux and Open Source enthusiast. I also like technical theater!
Previously @_nlowe on Twitter
Opinions are my own.
Claudia Cicone @claudiacicone.bsky.social Astrophysicist. PI of the AtLAST project. From Roma (Italy), Professor at the University of Oslo (Norway). More astro stuff on claudiacicone.com and atlast.uio.no
Jonathan Fortney @jjfplanet.bsky.social UC Santa Cruz Astronomy Professor, Director of the Other Worlds Laboratory (OWL). Textbook Forthcoming: "Planetary Astrophysics: Exoplanets & Solar System." Father, Husband, Minnesotan, Runner. Proud product & employee of the public school system.
Michael Merrifield @astromikemerri.bsky.social Emeritus professor of astronomy at the University of Nottingham. Too frequent appearances on YouTube. All my own views.
Dr./Prof. Meredith MacGregor @mmacgreg.bsky.social Associate Professor at Johns Hopkins in the Department of Physics and Astronomy | astronomer, educator, ceramicist, runner, mom | Pronouns: she/her
Dan Chibnall @bookowl.bsky.social STEM Librarian & Associate Professor in Iowa
Expect science, baseball, St. Louis Cardinals, #STLCards, progressive politics, astronomy, owls, beer, & pretzels
Brian Siana @briansiana.bsky.social Astronomy Professor at UC Riverside / Chair of the Riverside Board of Public Utilities / Heat pump evangelist
Prof. Sam Lawler @sundogplanets.mastodon.social.ap.brid.gy Professor of astronomy, farmer of goats. Asteroid (42910). She/her.
Living and learning on the land and under the skies of Treaty 4 (Saskatchewan, Canada) […]
🌉 bridged from ⁂ https://mastodon.social/@sundogplanets, follow @ap.brid.gy to interact
Sascha Trippe 🛰️ 사샤 트리페 @saschatrippe.bsky.social ⭐️ Astronomer – MSc, PhD, Professor (교수)
⭐️ Seoul National University / 서울대학교
⭐️ Black holes, AGN, radio astronomy, VLBI
⭐️ Born at 332 ppm CO₂
⭐️ Trigger warning: math, physics, irony
⭐️ Signature: (+,-,-,-)
Mike Christie @mikechristie.bsky.social Interested in maths, physics, astronomy, astrophotography. Member of Astronomical Society of Edinburgh. Emeritus Professor at Heriot-Watt University. 
David ALBERTO @astrolabe-science.fr French Physics & Chem. teacher. He. Astronomy, sundials.
Prof. phys.-chim. lycée tech.
Astronomie, gnomonique, instruments astro. anciens. Also on Mastodon
💻Python, TeXLaTeX
🗣️ 🇫🇷 🇬🇧 🇪🇸 🇵🇹
Assos : UdPPC, SAF, CLEA.
www.astrolabe-science.fr
Steve Jones, Space Teacher @mrjonesspace.bsky.social Husband, father, Christian, teacher. Amateur astronomer. NASA/JPL Solar System Ambassador. NASA eClips Educator Advisory Board Member. Currently teaching Astronomy & Science Research in Alpharetta, GA. 2023 ISS Nat’l Lab Excellence in Education Award
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
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
SkyGuyInVA @skyguyinva.bsky.social NASA JPL Solar System Ambassador
Unistellar Ambassador
Space Reporter for WTOP News Washington D.C.
Cruise ship lecturer
Springer Astronomy Author
Astrophotographer
OPINIONS ARE MY OWN
Andrea Leinfelder @andrealeinfelder.bsky.social Space and science reporter @HoustonChronicle.com. Foodie, adventure seeker, mom of two kids and one dog. Send tips and favorite sci-fi references to Andrea.leinfelder@houstonchronicle.com.