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
Daniel Pomarède @pomarede.bsky.social Cosmographer at Univ. Paris-Saclay | mapping the Universe | co-discoverer of Laniakea (our home supercluster of galaxies), Hoʻoleilana, and some other (very) large scale structures
📖 https://orcid.org/0000-0003-2038-0488
▶️ https://vimeo.com/pomarede
Katie Gansler @planetarykg.bsky.social U. of Maryland Geology graduate student, JPL Solar System Ambassador, semi-professional space nerd and queen of whacky seismology
Dr. Frances Rivera-Hernández (she/ella) 🇵🇷🚀 @francypants.bsky.social planetary geologist & prof at Georgia Tech | 💜sediments & ice | #Boricua #LatinxInSTEM #GeoLatinas | Jíbara de Aguas Buenas, PR 🇵🇷 | #MomInAcademia
Kevin T. Trinh @icymoonskevin.bsky.social Barr Postdoctoral Fellow at Caltech🦫
Planetary science + icy moons 🌕🧊🚀
https://www.kevintrinh.space/
@intrplnetsarah.bsky.social @intrplnetsarah.bsky.social Lunar geologist/artist. My posts are my own and may or may not reflect the opinions of my employer. #space #science #sciart
@squawky.bsky.social @squawky.bsky.social Planetary scientist, university prof, dept. chair. Want more time for research! IR remote sensing. 3D printing. Accessible field geology. Martian. she/her. Needs a better profile but not sure how to fix that :).
(@squawky on the former bird site)
James Haber @spacemanjames.bsky.social Planetary scientist
big fan of birds, mycology, baking, and linguistics | (he/him) 🏳️🌈
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.
Ali Bramson @alibramson.bsky.social Planetary scientist finding ice on Mars with NASA space robots | Professor @ PurdueEAPS | she/her | 👩🔬🚀🪐❄️🌈
Dr. Wendy Bohon @drwendyrocks.bsky.social Earthquake geologist 🧪⚒️ | Scicomm specialist 🎙️| Formerly USGS, IRIS, NASA | she/her | Views are mine | website: https://wendybohon.com/
“A delightful blend of scientific rigor and domestic chaos.”
David Blanchflower BSc @davidbflower.bsky.social Astronomer and Astrophotographer. Pictures of space appearing in posts, magazines and on the telly. 
Reuters @reuters.com - M Marslakes @marslakes.bsky.social Mid- (!) Career Scientist [according to my joints]. Converted Swiftie. Feed may be mostly irrelevancies. MSTR bear.
Peter James @peterbjames.bsky.social 
Celeste Labedz @celestelabedz.bsky.social environmental seismologist - doctor of glacier vibes - geoscience educator - she/her - opinions only my own - puns only my worst - www.crlabedz.net
wint @dril.bsky.social Never Bullshit
I challenge any and every one who wants to kick my ass to a debate .
https://www.patreon.com/dril
https://www.instagram.com/dril
https://linktr.ee/drilreal
Emily Hyde @emilyraehyde.bsky.social PhD student in the Baker Microbial Ecology lab with a passion for aquatic systems, microbes, evolution, biogeochemistry and STEM accessibility 🧬🧫 🏳️🌈views my own
Alyssa Mills @alyssacmills96.bsky.social Planetary geophysicist | PhD candidate @ Baylor | Research: potential fields, geodynamics, ML, & chaos on mostly icy worlds but some dabbling on Venus | John Mather Nobel Scholar | x8 NASA intern | Clipper G/RS graduate affiliate
Jason Perry @volcanopele.bsky.social Avid volcanic moon enjoyer, makes space images look nice
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.
ESA Technology @technology.esa.int Follow the latest news, developments and new technologies from the European Space Agency's R&D Directorate
Dr Robin George Andrews @squigglyvolcano.bsky.social Award-Winning Science Journalist | Volcanology PhD | Stories in
NYT, SciAm, NatGeo, MIT Tech Review, Quanta etc | Author: SUPER VOLCANOES 🌋 and HOW TO KILL AN ASTEROID 🚀☄️💥☠️ | (20635) Robinandrews
Gabriel Eggers @gabeeggers.bsky.social Upjumped farmboy from Missouri. Visiting Professor at Wesleyan University interested in volcanism of Venus, Earth, Mars, etc. #FirstGen. Do good recklessly. He/Him.
Martin Hajovsky @martinhajovsky.bsky.social Family, sports, science and sci fi in some order or another. Same name on all social media and in real life. “Shared pain is lessened, while shared joy is increased.” — Spider Robinson
Jupiter Hansen (Cheng) @jupforjupiter.bsky.social Structural Planetary Geologist | From Mercury to Pluto 🪐 | Asteroid 32027 | Playing video games rn 🎮 | She/her/Dr. | 🇭🇰 | 🐈⬛🐈🐄
jupiterhansen.com
Planetary Science Institute @psi.edu https://www.psi.edu/
A private nonprofit dedicated to studying the origin, characteristics, and evolution of planetary systems and planets, including the Earth.
Cynthia Phillips, PhD @planetcynthia.bsky.social Planetary geologist at NASA JPL. Europa is my favorite place in the solar system! Author of Astrophysics for Dummies https://www.amazon.com/Astrophysics-Dummies-Cynthia-Phillips/dp/1394235046/ and other books. Tweets are my own. She/her 🏳️🌈
Randall Munroe @xkcd.com 
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.”
Steve Elardo @steve-elardo.com Professor at UF Geology. Florida Planets Lab PI and Moon-guy. Planetary Scientist, Magma-Maker, Dad, Miami Dolphins and Star Wars Fan. Scotch, Tiki, Titanic, LEGO, and Red Panda enthusiast. My views.
#FinsUp!
#PlanetaryScience
planets.geology.ufl.edu
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
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.
Mallory Kinczyk, PhD @stargirl32.bsky.social Planetary Geologist | She/her | Stargirl wondering what this is all about... 💫
dr. nick wagner (he/him) @geophyswags.bsky.social planetary geophysicist and geodesist | postdoc at Brown University | i make fake numbers match real numbers for a living
JA Grier, Ph.D. @jagrier.bsky.social compassion, planetary science, quilling, poetry, nonbinary, fountain pens, pagan, sci-fi, horror, fantasy, cats, wine, disability, trans, ee/em/eir, witchy, yoga, land back, reparations, none are free 'til all are free, goofball
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.
Simeon Schmauß @stim3on.bsky.social dabbling with photogrammetry, astrophotography, GIS and more...
https://sschmaus.github.io/links/
Nola Taylor Tillman @astrowriter.bsky.social Freelance science journalist with a focus on space & astronomy. Mental health expert - as in, I deal with it every day, not that I have a degree. Love to learn. www.astrowriter.com
Formerly Nola T Redd
she/her
Bob Pappalardo @rpappalardo.bsky.social Planetary scientist, icy moons a specialty. Europa Clipper Project Scientist at NASA’s JPL. Opinions are my own, or my cats'.
J. Brian Balta @drjbbalta.bsky.social Planetary Scientist and Petrologist, dog parent.
Lori Pigue @lunalori.bsky.social Lunar Volcanologist, lunar resources, and Planetary defense (opinions are mine).
Dr. Angela Stickle @schmemela.bsky.social Rocket ship enthusiast, pizza connoisseur, I like to study holes in the ground, avid lover of all things pumpkin (except PSL) and Christmas trees
Dr. Adeene Denton @spacewhalerider.com Planetary scientist, earth + space science historian, dancer/choreographer, part-time community radio DJ. (they/she) 🏳️🌈
adeenedenton.com
Amanda Stadermann @stadermann.ooo PhD in Planetary Science
Likes all rocks, but especially Moon rocks
Views are my own
she/her
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.
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.
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
The Planetary Society @planetarysociety.bsky.social A space advocacy nonprofit founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, now led by Bill Nye.
Find your place in space.
Become a member today: https://www.planetary.org/
Stephen Kane @exocytherean.bsky.social Planetary Astrophysicist at the University of California, Riverside. I like Venus. A lot. Exoplanets are also kinda cool.
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.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
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
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Adam Ellis @adamtots.bsky.social goblin • he/him • patreon.com/adamtots • Let Me In Your Window: https://amzn.to/4l2oOFw
The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
Chuck Tingle @chucktingle.bsky.social World’s greatest author
Mathieu Lapôtre @marslogander.bsky.social Associate Prof @ Stanford, Planetary Geologist. I study planetary surface processes and what they can tell us about hydrology, climate, and habitability. 🏳️🌈
http://epsp.stanford.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.
Luis Welbanks @luiswel.bsky.social 51 Pegasi b & Presidential Postdoctoral Fellow studying the atmospheres of planets outside our Solar System at @SESEASU -> Assistant Professor @SESEASU 2025
Previously @NASA Sagan Fellow. @Gates_Cambridge
scholar at @Cambridge_Uni.
Joe O'Rourke @geojgo.bsky.social Associate Professor in the School of Earth and Space Exploration at Arizona State University. Barnes & Noble Premium Member.
Justin Filiberto @planetaryrocks.bsky.social Planetary petrologist studying the Earth, Mars, the Moon, Venus, and Mercury
Dr. Pete Smith, Space Wizard @exoplanetpete.bsky.social Astronomer and Astrophysicist | ASU ➡️ MPIA | Exoplanet Atmospheres and Science Education | Writer | Baker | Hiker | they/he | petercbsmith.github.io
hypatia meraviglia (t/t) @hypastro.bsky.social looking at meteorites at Arizona State University
proud member of United Campus Workers Arizona
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
Curiosity Rover @marscuriosity.extwitter.link ⚠️ MIRROR OF twitter.com/MarsCuriosity
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Percy the Mars Rover @percyrover.bsky.social Proud immigrant, social distancing on Mars, and serving up piping hot cafecito. Parody. Created by @richferro.com
JMARS @jmars-gis.bsky.social A planetary GIS providing planning and data analysis tools to mission planners, scientists, students, and the general public.
Mars Space Flight Facility at @seseasu.bsky.social
https://jmars.mars.asu.edu
Steve Semken @azgeologo.bsky.social Husband, father, tío, acheii, geologist, ASU professor, Sun Devil, desert dweller, Southwesterner. He/him. All opinions that originate here, no matter how loco, are my own, and are not those of any organization with which I am connected.
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
Mark Wieczorek @mrak.solarsystem.social Planetary geophysicist at the Institut de Physique du Globe de Paris (IPGP). https://mrak.solarsystem.social
🌉 bridged from ⁂ https://solarsystem.social/@mrak, follow @ap.brid.gy to interact
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.🥄
Same team from Twitter but with more gray hairs. 🚀🛰️🧪🔭
climate.nasa.gov
they/them
🏳️🌈🫶🏳️⚧️
NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
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
Planned Parenthood @ppfa.org Hi! We’re America’s most trusted provider of sexual and reproductive health care education, and we think we look pretty good for over 100 years old.
www.plannedparenthood.org & linktr.ee/PlannedParenthood
Vic Concepcion @robotpuns.bsky.social Geological Sciences MS
|| GRNS of Mars and the Moon🌕||
opinions are my own 👽
Lana Tilke @ltilke.bsky.social ASU SESE PhD student 🪐 || Moons, Planets, SETI, Art 👽 || Trekkie 🖖🏻 || all opinions are my own 🤠
Steve Desch @deschscoveries.bsky.social Professor of astrophysics / planetary science / meteoritics at Arizona State University.
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
Larry R. Nittler 🚀🎹🌖☄️ @larrynittler.bsky.social Hermeochemist, Interstellar Dust Buster, and Cosmic Organist.
Professor @SESEASU
asteroid 5992
Opinions are my own.
pronouns: he/him/his
Bluesky @bsky.app official Bluesky account (check username👆)
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