Europlanet @europlanetmedia.bsky.social The Europlanet Society promotes the advancement of European planetary science.
City of Tucson, Arizona @cityoftucson.bsky.social Official page of the City of Tucson. www.tucsonaz.gov.
Science News @scinews.bsky.social Science News from Academic Journals etc.
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.
Io Input/Output Observatory (IoIO) @ioio-obs.bsky.social The Io Input/Output observatory (IoIO) studies studies Jupiter and its moon Io (eye-oh) to learn more about Earth. @psi.edu manages IoIO
Fun Fact Science with Kovi @funfactscience.com Astrophysics PhD candidate studying stars that go snap, crackle, and pop - communicating scientist - meme aficionado. 
Dr. Raphael Marschall @spacemarschall.net Associate Professor of Experimental Physics at the @unibe.ch
Co-I of ESA's Comet Interceptor, collaborator on NASA's Lucy and ESA's Rosetta missions.
www.spaceMarschall.net
(he/him)🇨🇭🇺🇸🇫🇷
#asteroids #comets #protoplanetarydisks #planetaryScience 🧪🔭🚀🛰️☄️
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
Jackie Branc @jackiebranc.com 🏳️⚧️🗿 lifelong learner: analytical philosophy | cognitive sciences | particle physics | fine art | image processing | photography
www.jackiebranc.com
Mackenzie White, PhD @mackenziewhite.bsky.social Science Journalist | Geophysicist
MackenzienWhite.com
Marissa Vogt @marissav.bsky.social Planetary scientist, ex-expat, MIT & UCLA alumna. Public local politics stuff @vogt4brookline.bsky.social (she/her)
Kat Volk @katvolk.bsky.social Planetary scientist, equestrian, and cat herder. Cat posts at: https://bsky.app/profile/katskitties.bsky.social
Daniel Sega @ddsega.bsky.social Astronomer. Philosopher. From Maracaibo 🇻🇪. Florida State University 🇵🇦.
astrosega.github.io
Lior Rubanenko @liorr.bsky.social Planetary Scientist
Katie Lester @klester.bsky.social ✨Astronomer who likes binary stars! (she/her)
Jonathan Lilly @jmlilly.bsky.social Oceanographer at the Planetary Science Institute
The figure shows the circulation in one of my favorite places, the Gulf of Mexico
www.psi.edu | www.jmlilly.net | https://scholar.google.com/citations?hl=en&user=os-j4rIAAAAJ
Amy Mlinar @amymlinar.bsky.social 
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
Amara Graps @amaragraps.bsky.social Dr. Planetary Scientist. 🇪🇪🇱🇻🇱🇹 Baltic Space Entrepreneur in Rīga. Occasional asteroid miner. Muscovy Crimes Explainer. NAFO. Quantum Progress. 
David Grinspoon @drfunkyspoon.bsky.social Astrobiologist, Author, Musician. 👽🎸❤️🚀
Sagan Medalist, PEN winner, AAAS fellow.
Former Senior Scientist for Astrobiology Strategy at NASA.
There’s an asteroid named after me (22410 Grinspoon) which is better than having one with your name on it…
Augusto Carballido @astroabc.bsky.social Planetary science • Astrobiology • Complex systems • Public health advocacy.
Aster Cowart @terrasabaea.bsky.social (she/her) Backseat driver for MSL Curiosity, Mars bit witch, amateur astronomer.
Dan Berman @bermandc.bsky.social Planetary Scientist. Husband and father. Progressive. Sci-fi lover. Board gamer. I speak for the trees. 
Sam Bell @samuelwbell.bsky.social Rhode Island State Senator. Democrat. Planetary Geologist.
tthomopoulos @tthomopoulos.bsky.social 😇🐾🤖 - ☀️ Credit for sdo images: courtesy of NASA/SDO and the AIA, EVE and HMI science teams
https://www.flickr.com/photos/195227719@N04/
Dr. Catherine Neish @planetneish.bsky.social Professor at The University of Western Ontario in planetary geology. Also a parent and OG X-Phile. I use she/her pronouns. https://planetneish.ca/
Sky & Telescope @skyandtelescope.bsky.social The Essential Guide to Astronomy | We provide the world's leading compendium of information about the science and hobby of astronomy.
Dr. Susan E. Mullally @mustaric.bsky.social Astronomer -- Baltimore -- Exoplanets -- Mother -- Choir -- Games
Posts my own.
Dr. Dan / The Spectral Band @thespectralband.bsky.social Lunar Geologist
Drummer for A Troop of Echoes and Public Policy
Noisy bangers as D. Majestic and the Spectral Band
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
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)
Julie Rathbun @lokivolcano.bsky.social Planetary scientist studying volcanoes on Io (favorite is Loki). Pronouns: she/her.
Yvette Cendes @whereisyvette.bsky.social Astronomer here! I’m a Hungarian-American radio astronomer, alias /r/Andromeda321 on Reddit. Assistant professor at the University of Oregon 
David Blanchflower BSc @davidbflower.bsky.social Astronomer and Astrophotographer. Pictures of space appearing in posts, magazines and on the telly. 
Dr. SkySkull @drskyskull.bsky.social Professor of optics, blogger of physics, history, & pulp fiction. Generally tries to keep things light-hearted, in spite of *waves hands at everything* (he/him) Blocking doomerism on sight.
blog: https://skullsinthestars.com/
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
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Dr Allison Andrews @doctorallisona.bsky.social Astronomer-turned-biophysicist
Aspiring writer
She/her, trans🏳️⚧️, neurodiverse♾️, bri’ish🇬🇧
Cats, coding, reading, and all things nerdy
Expect either wholesomeness or chaos, there is no in-between!
Dr Joanna Barstow @drjovian.bsky.social STFC Ernest Rutherford Fellow at the Open University. Astromum x 2. FRAS. Christian, singer, bookworm, musical theatre super fan.
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
Matthew R Perry @planetaryperry.bsky.social 
Beth Johnson @planetarypan.bsky.social Planetary scientist, podcast host, cat wrangler. Communication specialist for the SETI Institute. planetarypan.medium.com #WomeninSTEM
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.
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.
CosmoQuest @cosmoquest.org Explore our universe. Map other worlds. Put science in your brain. Home to Escape Velocity Space News, AstronomyCast, 365 Days of Astronomy. Support indie science journalism & community science at patreon.cosmoquest.org
Astrobiology @astrobiology.bsky.social Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
Dr Pamela L Gay @starstryder.space I am an astronomer, technologist, and creative focused on using new media to engage people in learning and doing science. Note: I have dyslexia and will typo. OMG will I typo...
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.
Alex @alexmmorgan.bsky.social Planetary geologist @planetaryscience.bsky.social
https://alexmmorgan.github.io/
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app