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.
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
Kayla "Iacovino with an i" @kaylaiacovino.com Scientist, cat owner, python coder. Doesn't know how to quit vim and refuses to learn. Volcanologist trying to make the world a better place.
“Patriotism is supporting your country all of the time and your government when it deserves it.”
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
Kat Volk @katvolk.bsky.social Planetary scientist, equestrian, and cat herder. Cat posts at: https://bsky.app/profile/katskitties.bsky.social
Jason Gorman @jasongorman.bsky.social Software engineering teacher, mentor and consultant available for clients who care about creating real value for users, businesses, communities and society.
www.codemanship.co.uk
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
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.
Trent Hare @trenthare.bsky.social Planetary GIS and Photogrammetry, Travel
John Skiles Skinner @skiles.blue I work on @securedrop.org
Former fed at 18F "deleted" by DOGE
🔗 https://skiles.blue/
Lunar Trailblazer @lunartrailblazer.bsky.social Lunar Trailblazer is a NASA SIMPLEx small satellite mission launching in February 2025. It will create maps of water on the Moon, helping guide future exploration.
Science and operations led from Caltech. This is not an official NASA account.
UArizona Lunar and Planetary Laboratory @uarizonalpl.bsky.social The Lunar and Planetary Laboratory at the University of Arizona in Tucson.
Technology Connections @techconnectify.bsky.social I'm that YouTuber who taught you how dishwashers work. Guess I'm tryin' out the whole Bluesky thing now.
he/him
https://www.youtube.com/technologyconnections
Rep. Judy Chu @chu.house.gov Proudly representing #CA28, California's 28th District in the U.S. House of Representatives. Member of Ways and Means, Budget Committee, Chair Emerita of CAPAC
Red Letter Media @redlettermedia.com Milwaukee, WI based humor related and entertainment adjacent content creators. The world's only unfluencers.
Erin Macdonald @drerinmac.bsky.social Writer | Science Advisor (Star Trek franchise) | Producer | PhD, Astrophysics | she/her
just an ancient tattooed 🏴 N7 Starfleet rebel pagan soul trapped in modern times
https://linktr.ee/drerinmac
Eos @eos.org Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by the American Geophysical Union (@agu.org).
Mike Tice @ticeonmars.bsky.social Geologist/planetary scientist at Texas A&M using x-ray vision to study ancient life and surface processes. Commutes to Mars on the Perseverance Rover. He/him
Planet @planet.com We see things from a different angle. 🛰️🕊️
Public Benefit Corporation on NYSE $PL
Lithosphere Journal @lithospherejournal.bsky.social Lithosphere is an open access journal published by GeoScienceWorld in conjunction with five international societies. The journal publishes authoritative research and reviews across a broad scope of geoscience disciplines. 
Dr. Szilárd Gyalay 🪐 @szilardgyalay.com Follow my adventures as a planetary scientist! At SETI/NASA Ames. UCSC & UCLA alum. Time Person of the Year 2006. He/him/ő. Views are my own.
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.
Mike Bramble @mbramble.bsky.social Scientist. I use photons to study rocks across the Solar System. Remote sensing at extreme environments. Opinions expressed are my own.
--
https://www.mbramble.com/
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
Andy Britton @kalofxeno.bsky.social Planetary Image Scientist for Amentum at NASA-JSC. Former Sci at MSSS targeting CTX on NASA's MRO. UCL & ASU alumnus. Views = my own.
barbylon @barbylon.bsky.social Principal Instigator. Category 1 mind, Category 4 attitude. 🧪🔭🚀
Zoltán Sylvester @zzsylvester.bsky.social Research professor at UT Austin | geology | sedimentology | rivers | python | mountains | running | opinions are my own | he/him
zsylvester.github.io
Chris Herd @marsrockdoc.bsky.social Meteorite expert and curator, prof at the University of Alberta, Mars 2020 Returned Sample Scientist, Principal Director of ISSET, rec hoops player
Kevin Olsen @drksolsen.bsky.social Martian science at Oxford
Birds and food too.
Veit Schiele @veit-schiele.de Author of Python for Data Science, Jupyter Tutorial and PyViz tutorial • pyberlin organiser • Development, consulting and operation of privacy compliant web services at cusy.
#Python #Jupyter #PyViz #DataScience
PyData Global @pydata.bsky.social The PyData Global Conference is where users, contributors, and newcomers can share experiences to learn from one another and grow together. Want to meet the community? Join our Discord!
https://discord.gg/CjspHbE9xe
NumFOCUS @numfocus.bsky.social Open Code = Better Science NumFOCUS is a 501(c)(3) nonprofit that supports and promotes world-class, innovative, open source scientific computing.
Python Package Index @pypi.org The Python Package Index (PyPI) is the repository of software for the Python programming language. Pronounced 🥧 🫛 👁️
Python Software Foundation @python.org The nonprofit organization behind the Python programming language. For help with Python code: http://python.org/about/help/
On Mastodon: @ThePSF@fosstodon.org
Dr. Adeene Denton @spacewhalerider.com Planetary scientist, earth + space science historian, dancer/choreographer, part-time community radio DJ. (they/she) 🏳️🌈
adeenedenton.com
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
Jason Major @jpmajor.bsky.social I post cool pictures of stuff in space. (Everything is in space.)- M Marslakes @marslakes.bsky.social Mid- (!) Career Scientist [according to my joints]. Converted Swiftie. Feed may be mostly irrelevancies. MSTR bear.
Simeon Schmauß @stim3on.bsky.social dabbling with photogrammetry, astrophotography, GIS and more...
https://sschmaus.github.io/links/
Anne Verbiscer @verbiscer.bsky.social Deputy Project Scientist on NASA's New Horizons mission. Participating Scientist on NASA's Lucy Mission. Minor Planet 9726.
Ali Bramson @alibramson.bsky.social Planetary scientist finding ice on Mars with NASA space robots | Professor @ PurdueEAPS | she/her | 👩🔬🚀🪐❄️🌈
Jason Perry @volcanopele.bsky.social Avid volcanic moon enjoyer, makes space images look nice
Mark Panning @markpanning.seismology.space Planetary seismologist in Pasadena. Project Scientist for InSight formerly operating on Mars and PI for Farside Seismic Suite and South Pole Seismic Station headed to the Moon. Somewhat nerdy. Opinions are, of course, my own. he/him
Aster Cowart @terrasabaea.bsky.social (she/her) Backseat driver for MSL Curiosity, Mars bit witch, amateur astronomer.
Jackie Clark @geojackjack.bsky.social Asst. Research Scientist at UMD, avgeek, gardener, parent & occasional rock licker. Will take strike & dip measurements for fun. Opinions expressed are solely my own.
Jean-Luc Margot @jeanlucmargot.bsky.social Planetary astronomer 📡 🛰️ and UCLA professor. Interested in dynamics, geophysics, SETI 👽.
https://seti.ucla.edu/jlm
Steve Crawford @astrocrawford.bsky.social Astronomer wandering through time and space.
Likely to post about #Earth and #Space science especially #astronomy, Open Source Software, Open Science, and space. And hiking with our dog. Opinions are my own.
He/him.
Prof Chris Jackson @seismatters.bsky.social Geoscientist | Occassionally on 📺 & 📻 talking about geoscience | I 🏃🏾♂️🚴🏾♂️ 🧗🏾♀️🎸🍺| he/him | 🏳️🌈🏳️⚧️| “Self-declared King of Geotwitter” (Palin, 2022) | Professional (East)Midlander 😎
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
Planetary Noiz @planetarynoiz.bsky.social Inyalowda
☿: MESSENGER UV || ♀: VfOx, DAVINCI, VERITAS, ENVISION || : ⊕ Aerobiosphere || ☽: Dielectric Breakdown || ♂: MCRN
Nerddoms: SciFi/Fantasy; D&D, Tabletop games, West Coast Swing
Redbubble: https://www.redbubble.com/people/iyzie/explore
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
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
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
Scott Manley @handle.invalid ⚠️ MIRROR OF twitter.com/DJSnM
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
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
Blue Origin (satire) @blueoriginai.bsky.social 🛸(Satire) I'm the phallic-shaped rocket & future retail space station for rich people only my buddy, J.Besos, is building. You'll see my big transformation around 2031. Check out the concepts of my future
Development Seed @developmentseed.org Winning with Open Data
Robin Cole @robmarkcole.bsky.social Tackling the worlds toughest challenges with AI & ML applied to satellite & aerial imagery
https://www.satellite-image-deep-learning.com/
Gul Dukat @realguldukat.bsky.social 45th President of the United Federation of Planets
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Chris Schaller @hicommander.bsky.social Software Developer, Planetary Image Research Lab, Lunar and Planetary Lab, University of Arizona - MRO/HiRISE • TGO/CaSSIS • Europa Clipper/EIS - he/him/his.
Dennis @martiandennis.bsky.social All opinions are my own.
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.
Steve Collins @longhairnasaguy.bsky.social a NASA/JPL guy, with long hair. Guidance and control engineer. steve.m.collins@gmai?.?om Opinions are my own
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at Washington University in St. Louis • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • he/him
Abigail Fraeman @abbyfrae.bsky.social Planetary scientist. Deputy Project Scientist for Curiosity and (formerly) Opportunity Mars rovers. Muppet aficionado. Views and opinions my own. She/her.
Jay Dickson @erroneoustholus.bsky.social Polar & Planetary scientist. Director of the Polar Geospatial Center. Dad.
Thomas H Zurbuchen @drthomasz.bsky.social Scientist, Explorer, Innovator, ETH Prof, NASA’s head of Science 2016-2022
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…
Patton Oswalt @pattonoswalt.bsky.social Writing and yelling. 
Paul Wren @elevenpointtwo.bsky.social Avionics software engineer, adjunct Astronomy professor, occasional planetary scientist, former developer of @jmars_gis.bsky.social he/him #SaveOurOceans #BlackLivesMatter #SaveOurRepublic
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are 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
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
HiRISE Beautiful Mars (NASA) @uahirise.bsky.social Images from the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (NASA). We are based out of the Lunar and Planetary Laboratory at the University of Arizona in Tucson, AZ. https://uahirise.org
Ed Rivera-Valentín @planettreky.bsky.social Planetary Scientist & Trekker of Planets.
#LatinxInSTEM 🇵🇷 #LGBTQinSTEM 🏳️🌈.
My posts, my views.
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
Randall Munroe @xkcd.com