Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
Eamonn Kerins @eamonnkerins.bsky.social Jodrell Bank astrophysicist and exoplanet scientist. Swimmer, cyclist, runner. Sometimes all three consecutively. Occasional BBC TV space pundit. Prone to career-threatening scicomm and fundraising activities. Own views. https://linktr.ee/eamonn_kerins
Euclid Consortium @ec-euclid.bsky.social Official Consortium of ESA's Euclid mission on the Universe's dark matter, energy & expansion, 15 European countries + USA + CAN + JAP, 2000+ scientists + engineers. Home: https://euclid-ec.org
@msobs.bsky.social @msobs.bsky.social 
JuliaAstro @juliaastro.org Official astronomy organization of @julialang.org
Web / Docs: juliaastro.org
Source: github.com/JuliaAstro
Email: astro [at] julialang.org
Institut DataIA Paris-Saclay @dataiainstitute.bsky.social Institut de recherche en #IA, #DataScience & leurs applications, associé à l'Université Paris-Saclay 🎓🇫🇷
Dr. Miguel Montargès 🔭✨📡 @astromiguelm.bsky.social Assistant astronomer at @obs-paris-psl.bsky.social / @liraastro.bsky.social
My skeets are not institutional.
Mastodon: http://mastodon.obspm.fr/@mmontarges
Website: https://lira.obspm.fr/perso/miguel-montarges/
Hervé Aussel @herveaussel.bsky.social Astrophysicist. Euclid Ground Segment scientist. Skeets (in french or english) are mine.
August (Gus) Muench @augustfly.bsky.social data editor in New Haven; tree/bird/sky watcher; former Bostonian/Floridian/IR Astronomer
Université Paris-Saclay @univparissaclay.bsky.social Compte officiel de l'Université Paris-Saclay : 48 000 étudiants, 9 000 chercheurs et enseignants-chercheurs, 4 600 doctorants #Formation #Recherche
National Radio Astronomy Observatory - NSF NRAO @thenrao.bsky.social The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation. #RadioAstronomy
📡 VLA, ALMA, VLBA, GBT, ngVLA
🔗 public.nrao.edu
VisualizeAstronomy @vizastro.bsky.social Dr. Brian R. Kent (Director of #Science Communcations, NRAO)
NRAO Scientist interested in extragalactic #astronomy, data visualization, radio #telescopes, ngVLA, VLA, VLBA, GBT, and ALMA.
A. David Weigel @adavidweigel.bsky.social interactive immersive astroviz, creative scientific storytelling: I do exciting (and) space things
INTUITIVE Planetarium Director - U.S. Space & Rocket Center
Astrovizicist - WorldWide Telescope
Ouvrir la science @ouvrirlascience.bsky.social Le Comité pour la science ouverte assure la gouvernance et la la mise en œuvre coordonnée du Plan national pour la science ouverte en France
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
Daniel Coe @geo-coe.bsky.social Maps—Rivers—Terrain
dancoecarto.com
Daniel Machacek @danielmachacek.bsky.social Space nerd, Image processor,
Lazy photographer,
Humanist
OpenStreetMap @openstreetmap.bsky.social The official Bluesky account of the OpenStreetMap foundation 
David Mimoun @moonnext.bsky.social Proud dad, Space Systems Prof U Toulouse- Mars Microphone @NasaPersevere Venus balloons #PlanetaryScience & SoCal addict. IHEDN 75e PolDef . Reserve Cit. AAE
Andrea Luck @andrealuck.bsky.social 🛰️🪐 Space voyager processing space images 📡💻
🎞️ HD Photostream: https://www.flickr.com/photos/andrealuck/
🎋Other places: https://linktr.ee/andrealuck
🌍Glasgow, Scotland 🌱 (He/Him)- E Eric Knight @ericknightmaps.bsky.social Panoramic maps and cartography
www.ericknightmaps.com
Rachel @rsteve388.bsky.social Geospatial Scientist
The Map Room @maproomblog.com A blog by @jonathancrowe.net about maps in all their forms, on and off since 2003. maproomblog.com
Email digest: maproomblog.com/about/subscribe
Mastodon: mapstodon.space/@maproomblog
Support via Patreon: patreon.com/jonathancrowe
Stéphane Neveu @stefastro.bsky.social Amateur d’astronomie.
Site Web : https://gemini.obspm.fr
#proam
Actif chez https://saf-astronomie.fr, letelescope.fr, https://planete-sciences.org/astro/
Julien Hédoux @jhedoux.bsky.social Chief Technical Officer, Astrophotographer
#astrophotography
https://app.astrobin.com/u/julienhedoux
Setup :
🔭 : FRA400 / HEQ5 pro v2
📸 : OSC Poseidon-C PRO (IMX571)
🔵 : Optolong filters (SII 6nn, Ha/Oii L-Ultimate 3nn, L-Pro)
IGN @ignfrance.bsky.social L’Institut national de l'information géographique et forestière produit des données et représentations du territoire national pour observer, comprendre et anticiper ses évolutions. 🗺️🌳
🔗 https://kytelink.com/ign
#Opendata #Carte #Géographie #Forêt
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Rubin-LSST France @lsst-france.bsky.social Participation française à l'Observatoire Vera C. Rubin et au Legacy Survey of Space and Time (https://lsst.fr)
SkyMapper @skymapper.bsky.social SkyMapper.io merges advanced telescope and camera tech with Web3 to make space exploration collaborative and accessible for everyone, empowering the world to map and share the sky together.
Simon Gascoin @sgascoin.bsky.social https://labo.obs-mip.fr/multitemp/author/simon-gascoin/
Carl Churchill @cchurchili.bsky.social Graphics Reporter with The Wall Street Journal
on Lenni-Lenape land
a cobra vai fumar
https://churchillgeo.com/
Xor @xordev.com Building FragCoord.xyz
xordev.com
Pᵉtɘr Wᵉil8acher @pwei888.fediscience.org.ap.brid.gy Astronomer at Leibniz-Institut für Astrophysik Potsdam (AIP).
Posting about papers I'm involved in, podcasts I listen to, and other things vaguely related to […]
🌉 bridged from https://fediscience.org/@PWei888 on the fediverse by https://fed.brid.gy/
@cosmos4u.bsky.social @cosmos4u.bsky.social 
Daniel Huffman @pinakographos.bsky.social An arboreal, poly, gender non-participant mapmaker.
• Portfolio & tutorials: somethingaboutmaps.com.
• Prints: https://somethingaboutmaps.com/Storefront
• You can support my art & teaching at http://patreon.com/pinakographos. 
Andy Lawrence @e-astronomer.bsky.social Active Galaxy Nut and Space Environmentalist.
Read Losing The Sky at Amazon, Apple Books, or Google Play.
More grooviness at https://andyxlastro.me 
Camille Roux - Generative artist @art.camilleroux.com 🇫🇷 Generative artist • he/him • NFTs on gm.scribe, gm. studio, Bright Moments, 256art, fx(hash), SuperRare...
https://art.camilleroux.com
Tom Megeath @megadeath.bsky.social Astronomer studying the birth of stars, rust belt academic, connoisseur of beer inspired acronyms, closet Dadaist, & child of immigrant.
Judith Schmid @juschmid.bsky.social Feministin, Sozialistin, Antifaschistin.
Rob Seaman @robseaman.bsky.social Data scientist, archivist, and temporal engineer with the Catalina Sky Survey. CSS has discovered about half of all known near-Earth asteroids, including several small impactors, many comets, and a couple of mini-moons. https://catalina.lpl.arizona.edu
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.
Adam Thornton @athornton.bsky.social Nerd
Bruce Berriman @gbruce.bsky.social Astronomer, archive builder, astronomy image processor. Footy and cricket fan, music lover
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
Rémi Forte @rmfrt.com Poetic Program, Typographic System
https://www.rmfrt.com/
Sébastien Carassou @sebastiencarassou.bsky.social Docteur en astrophysique, auteur, archiviste lunaire pour Sanctuary on the Moon
https://linktr.ee/sebastiencarassou
PP : Hugues Bretheau
MrFrety @fretymr.bsky.social hobby experimental guitarist
Nadia Al-Belushi, MD 🔭🌌🪐 @nalbelushi.mastodon.social.ap.brid.gy Half British, half Kuwaiti.
Multiracial.
Female.
35 years old.
Married.
Interested in astronomy/astrophysics/planetarium software; exoplanets; 3D […]
[bridged from https://mastodon.social/@nalbelushi on the fediverse by https://fed.brid.gy/ ]
Mykhailo Moroz @michael-moroz.bsky.social Love physics simulations and rendering algorithms. Currently work at
ZibraAI as Lead 3D Research Engineer. Discord: misha.m. michaelmoroz.github.io/about/
Richard Hendricks @hendric.astronomy.city.ap.brid.gy Goblin Amateur Astronomer
Space Enthusiast
Had 15 minutes of fame once (see profile pic)
Occasional Astrophotographer
Staff Radio Firmware Engineer at Silicon Labs […]
🌉 bridged from ⁂ https://astronomy.city/@hendric, follow @ap.brid.gy to interact
astrafoxen @astrafoxen.bsky.social 21 - any pronouns
Astrophysics undergrad student in California (grad '27), aspiring planetary scientist. I do astronomy research on asteroids, comets and TNOs!
pfp by me
banner by Ian Regan
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
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
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
Centre de Données astronomiques de Strasbourg (CDS) @cdsportal.bsky.social Strasbourg astronomical Data Centre (CDS) is dedicated to the collection and worldwide distribution of astronomical data and related information.
Penalty Loop @penaltyloop.bsky.social Biathlon fan and commentary. Now host of the Penalty Loop Podcast with RJ Weise of @biathlonanalyt1.
Paul Rickards @paulrickards.bsky.social Artist exploring vintage pen plotters with modern code. Retrocomputing repair and collecting. Mixes the best of new and old. He/him #penplotter #c64 🏳️🌈
My blog: https://biosrhythm.com/
My shop: https://shop.paulrickards.com/
tiago @tiagocharters.nexp.pt algorithmic art • machine drawings
◼ https://tiagocharters.nexp.pt
◼ signal: @tiagocharters.32
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanity’s quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
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. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com
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
Cathrin Machin Space Art @cathrinmachin.bsky.social Space Artist & Telescope Operator 🚀
Grab my 2026 Calendar here 👇
https://catmachin.com/products/2026-calendar
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
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. 
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
Martha Boyer @marthaboyer.bsky.social I'm an Astronomer, primarily studying dust-producing stars with JWST and HST. Opinions are my own. Pround Minnesotan. Abolish Ice. She/Her
Astro Plot of the Week @plotastro.bsky.social Under new management
Submit entry by tagging @PlotAstro.bsky.social
Arp Bot 🤖 @arpbot.bsky.social Posting images of galaxies in Halton Arp's Atlas of Peculiar Galaxies (1966).
Automated account. Image curation, descriptions, typos, and most alt text by astronomer @kellylepo.bsky.social.
See posts for credits and links to the original sources.
janiceleeastro @janiceleeastro.bsky.social ✨ looking to our future with NASA's Habitable Worlds Observatory (SuperHubble!) & AI
✨ studying star formation and star clusters in nearby galaxies with PHANGS, Hubble, JWST
Judy Schmidt @geckzilla.bsky.social Galactic Janitorial Services
Mission spatiale Euclid 🇫🇷 @euclid-france.bsky.social Suivez l'aventure scientifique du télescope spatial Euclid, qui explore l'univers sombre ! Compte 🇫🇷 du consortium scientifique de la mission Euclid de l'ESA.
CNRS Terre & Univers @cnrs-insu.bsky.social INSU - Institut national des sciences de l'#Univers du CNRS (@cnrs.bsky.social).
#Terre 🌍 #Astro 🌌 #géologie #océan 🌊 #atmosphère #climat #environnement #sol #spatial
Observatoire astronomique de Strasbourg @obsstrasbourg.bsky.social L’ObAS est un Observatoire des Sciences de l’Univers, une école interne de l’Université de Strasbourg (Unistra), et une Unité Mixte de Recherche Unistra-CNRS.
@aaccomazzi.bsky.social @aaccomazzi.bsky.social 
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app