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'.
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
The Geological Society of America (GSA) @geosociety.bsky.social The Geological Society of America (GSA) unites a diverse community of geoscientists in a common purpose to study the mysteries of our planet (and beyond) and share scientific findings. 
European Geosciences Union (EGU) @egu.eu European Geosciences Union is the leading organisation supporting Earth, planetary & space science researchers in Europe. #EGU27 | 4–9 April 2027 | On-site & Online | Mon-Fri 10-17 CEST.
Jennifer Souers Chevraux @heritagewitch.bsky.social art + preservation specialist • strategic planner • museum nerd • 8x great-granddaughter of Salem witch trial survivors • once-upon-a-time archaeologist • past = prologue • historians are not neutral • I’m with the RESISTANCE
Danette Hauck @dannettehauck.bsky.social 
Alexander Berne @enceladusdude.bsky.social Planetary Geophysicist at the University of Arizona | formerly at Caltech
Mostly working on the Moon and Enceladus.
alexcberne.com
@suesmrekar.bsky.social @suesmrekar.bsky.social PI For VERITAS, NASA orbiter to Venus
PLanetary geophysicist
Co-I Blue Ghost LISTER, Artemis V L-MAPS
Paul Wren @elevenpointtwo.bsky.social Software engineer @jmars_gis.bsky.social, occasional planetary scientist. he/him
The statements and opinions posted by me are my own and do not necessarily represent NASA's positions, strategies or opinions.
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
Margaret Moerchen (she/her) @carrotslittle.bsky.social cyclist, mom, vegetarian, rookie pianist, Ph.D. astronomer, sometime editor, noisemaker for progressive policy
Stacy McGaugh @dudedarkmatter.bsky.social Astronomer & Astrophysicist working on galaxies, cosmology, dark matter and modified gravity.
Academic home page: https://astroweb.case.edu/ssm
Blog: https://tritonstation.com/
ORCID: https://orcid.org/0000-0002-9762-0980
John Pederson @ijohnpederson.com In 1913, Émile Borel’s Infinite Monkey Theorem said that a monkey hitting keys at random for eternity would eventually type every possible text— from “banana” to the complete works of Shakespeare. Instead, we got AI.
Laurie Leshin @laurieofmars.bsky.social Space nerd, rock nerd, ed nerd, dog nerd, fiber nerd
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
Dr. Jennifer Wade @volcanojw.bsky.social Geologist, Baker, Voter, Friend of Photography. Posts are my own, not NSF's. [she/her] 🥄
The Women's Game @womensgamemib.bsky.social The home of all things Women’s Football - from @sammymewy.bsky.social and the @meninblazers.bsky.social Media Network // Sammy Banana Phone 🍌☎️ 855-611-4050
@planetarygeomorph.bsky.social @planetarygeomorph.bsky.social IAG Planetary Geomorphology working group. We post the Planetary Geomorphology of the Month. See also: https://planetarygeomorphology.wordpress.com/ 
Will Koeppen @willkoeppen.com Data science, place-based photography, connecting with people in the outdoors, milkshakes
A. Morlok @morlok.bsky.social Studies stuff from space for food & shelter. Team BepiColombo.
Jeff Balcerski @astroagro.bsky.social Professor of 🚀🛰️🌠 Engineering. Planetary science PhD. Former NASA guy. 🌘🪐
Firefighter, Paramedic, Trombonist. 🚒🚑🎵
Inspired by nature and technology. 🌿💾
ADHD. 🐿️
Taking the road less traveled, and it has made all the difference. 🧭
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
Peter James @peterbjames.bsky.social 
John Bird @johnbird001.bsky.social Ph.D. atmospheric scientist🌎, nuclear engineer☢, 📰 #antarctica
South Pole Station 🐧 http://amzn.to/2klpv3b 🐧
Miki Nakajima @mikinakajima.bsky.social Associate Professor at the University of Rochester. Smashing planets in my computer is my hobby.
Dave Owsiany @davosea.bsky.social 
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
Cathleen O'Grady @cathleenogrady.bsky.social Science journo, mainly at @science.org, writing about science & society, research integrity, and other places where the scientific rubber hits the road.
cathleenogrady.com
Alexandra Petri @petridishes.bsky.social I’m not in James Thurber’s attic any more! right now I’m home yay ! I’m the one who writes this column https://www.theatlantic.com/author/alexandra-petri/ and loves puns
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.
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
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
National Association of Geoscience Teachers @nagtgeo.bsky.social NAGT works to improve the teaching of the Earth sciences by providing teaching resources, professional development events, and high-quality publications.
https://nagt.org/index.html
Gretchen @metritedoc.bsky.social Mum, Wife, Planetary Scientist (Astro-geologist), Space Enthusiast, STEM and DEI advocate, Professor, Pet person
Mariek Schmidt @marschm.bsky.social Volcanologist Petrologist on Earth and Mars, Professor and Chair of Earth Sciences at Brock University, Canada. Mom of two humans, one cat, one dog
Ted Stryk @tedstryk.bsky.social Interplanetary Dumpster Diver. Asteroid (230728) Tedstryk
Images I post are Copyright Ted Stryk (processed or taken by me) unless otherwise noted. Professor at Roane State CC in Oak Ridge, TN
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
ESIP - Earth Science Information Partners @esipfed.bsky.social We are a home for #EarthScienceData professionals.
We partner with 170+ organizations, support 30+ Collaboration Areas, and host two deep-dive meetings. Learn more: esipfed.org
Roger Creel @rogercreel.bsky.social Climate geophysicist at WHOI || Assistant Professor at Texas A&M starting fall 2025 || sea level + ice sheets + permafrost || PhD Columbia / BA Amherst || rogercreel.com || Views my own. 
Doug Wiens @dougwiens.bsky.social Seismologist at Washington University in Saint Louis. Studies the structure and seismic sources of Antarctica. Uses ocean bottom seismographs to investigate subduction zones.
Susanne Schwenzer @spsmars.bsky.social Professor of Planetary Mineralogy, with a love for Mars, impact craters, cats and music
JGR: Oceans @jgroceans.bsky.social AGU Journal Official account
Advancing understanding of ocean processes.
Providing quality and integrity for authors, reviewers and readers.
Non-profit.
Sharing Science AGU @agu-scicomm.bsky.social Account of the Sharing Science Program @agu.org
We teach #SciComm, #SciPol, & #Storytelling skills, & curate content. RT & links≠endorsement.
linktr.ee/sharingscience 
Ali Bramson @alibramson.bsky.social Planetary scientist finding ice on Mars with NASA space robots | Professor @ PurdueEAPS | she/her | 👩🔬🚀🪐❄️🌈
Int Assoc for Geoscience Diversity (the IAGD) @accessiblegeo.bsky.social Dedicated to improving access and inclusion for people with disabilities in the geosciences. A volunteer-run, donation-supported 501-c3 non-profit. https://theiagd.org
Doctor Apatite @doctorapatite.bsky.social Skittle-haired, charmingly insubordinate, disabled, punk rock ukulele playing, mid-century glassware collecting, BVB/USMNT/USWNT/USYNT supporting, Belgian-loving, planetary scientist. Normally busy making hand-crafted mischief for the swap meet of science.
Thorsten Becker @thwbecker.bsky.social Geophysicist at UT Austin working on the connections between planetary interior and surface systems. The physics of plate tectonics, from earthquakes to global mantle convection. Makes maps.
Dr. Rebecca Barnes (she/her) @waterbarnes.bsky.social Chronicling science, pet, & art adventures. #biogeofeminist catalyzing change -- to make the scientific enterprise welcoming & just, while rediscovering the artist within #dailydraw 🏞️⚛️💦🌿🏳️🌈☮️💙⚒️✍️🎨🐾
Jackie Caplan-Auerbach @geophysichick.bsky.social Seismologist, volcanologist, professor, and hazards junkie. Soapbox stander. Opinions are my own but I'm happy to share. She/her.
Brett McGuire @brettmcguire.bsky.social Asst Prof of Chemistry @MIT. Professional astrochemist, spectroscopist, radio astronomer. Amateur photographer, dungeon master, cook, jogger. He/him/his.
Heather Goss @heathermg.bsky.social Interested in the art & science of connecting people for art & science. Senior comms at @agu.org, @eos.org. Founder of Exposed DC. Casual powerlifter; dabbling in astrophotography.
EarthScope Consortium @earthscope.org EarthScope Consortium supports transformative global geophysical research and education. Operator of the NSF National Geophysical Facility. #NSFfunded
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).
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.
Universe Today @universetoday.com The official feed for the Universe Today website: universetoday.com. Published by @fcain.universetoday.com
Planetary Geo Mom @planetarygeomom.bsky.social Daughter, sister, planetary geologist, wife, Mom, & sometimes runner. Opinions are all my own and do not represent my employer. Ad lunam. Love one another. Be cool.
Pronouns: She/her/hers
Camille Cartier @camille0cartier.bsky.social Planetary Science - Experimental Petrology - Geochemistry - Meteorites - Mercury - Associate prof. @Univ_Lorraine @CrpgNancy - Nomenclature Committee @MeteoriticalSoc
Jenny Wong (she/her) @jnywong.github.io Open Source Applications Engineer @2i2c.org 👩💻 Maths and fluid dynamics PhD 🌊 Yorkshire, UK 🇬🇧
James Roberts @j-r0b.bsky.social 
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…
barbylon @barbylon.bsky.social Principal Instigator. Category 1 mind, Category 4 attitude. 🧪🔭🚀
@caricorrigan.bsky.social @caricorrigan.bsky.social 
Katherine Allen @paleobluedot.bsky.social Associate Professor at the University of Maine, Orono, Maine, USA. I study oceans and climate, past and present.
Dave Blewett @planet-daveb.bsky.social Planetary scientist - mainly Moon, Mercury, asteroids. Opinions are my own and do not represent my employer or funding agencies. Namesake of asteroid 8997.
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
Ellen Stofan @ellenstofan.bsky.social Under Secretary for Science and Research at Smithsonian, former Chief Scientist of NASA, my posts are my own.
Christian J. Renggli @renggli.bsky.social Experimental planetary scientist and #volcanologist #Mercury
Max Planck Institute for Solar System Research in Göttingen
Love music, movies, and art
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.”
Valerie Payré @valeriepayre.bsky.social Assistant Professor @ University of Iowa | I'm a Martian! | Planetary Geologist
Arya Udry @aryaudry.bsky.social Professor in planetary petrology at University of Nevada Las Vegas | Martian igneous rock lover | PI of the XPL lab (she/her).
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
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.
Official NJNY Gotham FC @gothamfc.bsky.social 
JGR: Earth Surface @jgrearthsurface.bsky.social AGU journal covering the physical, chemical, and biological processes that affect Earth's surface over all spatial and temporal scales
https://agupubs.onlinelibrary.wiley.com/journal/21699011
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
Fraser Cain @fcain.universetoday.com Space journalist and skywatcher. I'm the publisher of Universe Today (universetoday.com) and co-host of Astronomy Cast (astronomycast.com). YouTube: https://www.youtube.com/@frasercain
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
Jessý Potato @markdownhandsup.bsky.social The Girl with the Star Wars Tattoo. Recovering geoscientist. 56 countries. I have opinions & adventures. Reykjavík. KC born; SG bred. Founder: www.sidequesticeland.com
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
Michael Anenburg @manenbu.bsky.social I make fake rocks & minerals at high pressures & temperatures. Admirer of carbonatites, rare earths, and geological miscellanies. מיכאל.🐪✡️
Jean-Luc Margot @jeanlucmargot.bsky.social Planetary astronomer 📡 🛰️ and UCLA professor. Interested in dynamics, geophysics, SETI 👽.
https://seti.ucla.edu/jlm
Astrobiology @astrobiology.bsky.social Astrobiology.com - Exploring the living universe since 1996. Life Looks For Life. Vita quaerit vitae.
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.
@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
Kristin Block @marsmaven.bsky.social making spacecraft do things | musician, queer, pwME | bay area | she/her | asteroid 42665
aka marsmaven
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
Kerry Leith @stressdriven.bsky.social Geoscientist. Alpine addict. Geomorphology, rivers, landslides, 🚴. Earth Sciences New Zealand. Views are my own.
Sigrún Hreinsdóttir @gpsruna.bsky.social Geodetic Scientists - Views are my own. Icelander living in Aotearoa - New Zealand. Study volcanoes, earthquakes, tectonics and vertical land movement using GNSS (GPS) measurements. she/her
Hope Jahren @realhopejahren.bsky.social The scientist formerly known as Lab Girl.
I write books: https://www.penguinrandomhouse.com/authors/2111914/hope-jahren/
Jessica Noviello, Ph.D. @jessicanoviello.bsky.social Asst. Research Scientist @ UMBC/NASA GSFC. Studying KBOs, icy satellites, ocean worlds, cryovolcanism, & exoplanets; managing some NASA projects. Occasional runner. Cook & baker because I love food. Amateur paleontologist. A bit of a scofflaw. she/her
Cin-Ty Lee @cintylee.bsky.social geologist, critical minerals, geopolitics | Rice University | Princeton Field Guides to Flycatchers of North America | OM Systems | https://press.princeton.edu/our-authors/lee-cin-ty
NWSL Analytics @nwslstat.bsky.social By @catabush.com
🇺🇸| NWSL and USWNT coverage.
📊| Data viz and analysis.
Not affiliated with NWSL.
Support my work: https://ko-fi.com/catab
National Women's Soccer League (Bot) (inactive) @nwslbot.bsky.social Inactive bot that mirrored the NWSL twitter feed.
Go follow @nwslsoccer.com instead.
Jon Kay @jonpkay.bsky.social baseball nut, GIS, AI, sci-fi, running, fatherhood
Keith Smith @drkeithsmith.bsky.social PhD, occasional astronomer, talking head, science geek, cynic. Senior Editor at @Science.org, responsible for research papers in astronomy and planetary science. Views own, duh. Bio: https://www.science.org/content/author/keith-t-smith
Mika McKinnon @mikamckinnon.bsky.social Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. Occasional rock-licker, frequent devourer of board books. 🇨🇦🇺🇸