Planets @ Oxford @oxoplanets.bsky.social The BlueSky account for the Exoplanet and Planetary Physics groups in Oxford. We study all types of planetary bodies inside and outside of the solar system. More info here: https://www.physics.ox.ac.uk/research/theme/exoplanets-and-planetary-physics
Michaël Gillon @mgillon.bsky.social FNRS Research Director
Astrobiology - Astronomy - Exoplanetology
University of Liège (Belgium)
Alex Santerne @alexsanterne.bsky.social Astronomer at Aix-Marseille University / France visiting IPAG/Grenoble.
Also delegated city councilor at Gières (38)
Toot a lot about Climate Change and Climate. Boycott planes, travel by train only. Opinions are my own.
Dwayne Day @kennen11.bsky.social Historian of military and civil space programs and policy. In my day job I direct studies for NASA on space and aeronautics subjects including planetary science, astrophysics, and Earth science. Work at the National Academy of Sciences. Trekkie. Dogs.
Anton Gerashchenko @antongerashchenko.bsky.social Ukrainian patriot. Advisor to Internal Affairs Minister (2021-2023). Support my team of volunteer translators: http://patreon.com/TwitterAG
Olivia Guest · Ολίβια Γκεστ @olivia.science 👁️ https://olivia.science
🍃 https://metatheory.space
associate professor of computational cognitive science · she/they · cypriot/kıbrıslı/κυπραία · σὺν Ἀθηνᾷ καὶ χεῖρα κίνει
Nextcloud @nextcloud.bsky.social The most popular #onpremises Content Collaboration Platform!
Community-driven, free & #opensource
Join us: http://help.nextcloud.com &
http://github.com/nextcloud 😊
UNITED24 Media @united24media.com 🇺🇦 Firsthand news from the epicenter of global events. Stay informed and support the cause. Donate today: http://u24.gov.ua
🔗 united24media.com
The Ukrainian Review @theukrainianreview.bsky.social Ukrainian perspective on the media worldwide 🌎
Website: https://theukrainianreview.info/
Annual Reviews @annualreviews.bsky.social A nonprofit organization that synthesizes and integrates knowledge for the progress of science and the benefit of society.
https://www.annualreviews.org
Kagi HQ @kagi.com Privacy-respecting search, browser and products that put you first. No ads. No trackers. Ever. https://kagi.com/
Goldschmidt Conference @goldschmidt-confer.bsky.social Goldschmidt2026 will be held in Montreal, Canada on 12-17 July 2026. https://tinyurl.com/bd5ec49j
The Goldschmidt Conference is organized by the European Association of Geochemistry and the Geochemical Society.
Astromaterials Data System @astromat.bsky.social Astromat is the primary NASA-sponsored archive for laboratory analyses of returned samples and provides synthesis data services to the cosmochemistry community.
Leaflet @leaflet.pub The easiest way to make a blog, newsletter, or website on the open social web!
📝 powerful publishing tools 🛠️
🌱 for new writers & pros 🌿
🗣️ to connect & grow 👯
📖 + ✍️ @ leaflet.pub
Lab Notes: lab.leaflet.pub
Code: tangled.org/leaflet.pub/leaflet
Susan Little @shlittle44.bsky.social Associate Professor in Isotope Geochemistry, University College London
Earthworks-Jobs.com @earthworks-jobs.bsky.social We are a world leader in on-line academic, research and professional job advertising, specialising in oil & gas, geosciences, environmental sciences.
Marie-Luise Steinmeyer @mlformsplanets.bsky.social Postdoc at the Institute for particles physics and astrophysics, ETH Zürich, Switzerland | studying the evolution of sub-Neptunes | formerly at Globe Institute, University of Copenhagen, Denmark | 🌈
Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social I make ice cream and do science and suck at fly fishing. YYC
glaciers - geohazards - climate - geomorphology - geomatics - gelato
He/him
Fellow, @rcgssgrc.bsky.social
Scott Santens @scottsantens.com Writer and Unconditional / Universal Basic Income (UBI) advocate
Founder & CEO of UBI-focused nonprofit ITSAfoundation.org
Sign and share the AI Pledge for Humanity for UBI: aipledgeforhumanity.org
My UBI FAQ: scottsantens.com
📩 linktr.ee/scottsantens
Eurosky Social @eurosky.social Building open social web infrastructure and apps in Europe. Public interest non-profit, part of Modal Foundation.
App: mu.social
Accounts: move.eurosky.tech
Discover: portal.eurosky.tech
Web: eurosky.tech
Help: eurosky.tech/help
Fund: fund.eurosky.tech
Ludmila Carone @exotides.bsky.social My goodness: It's full of planets!
European in Graz.
Often to be found at Space Research Institute at Graz!
(Yes, Graz hosts the Austrian Space Research Institute. It's awesome, check it out!)
(Ja, Graz hat die Weltraumforschung und sie ist toll)
Paleontological Research Institution @prinstitution.bsky.social PRI has outstanding programs in research, collections, publications, and Earth science education as well as two public venues for education -- Museum of the Earth and Cayuga Nature Center.
https://linktr.ee/MuseumOfTheEarth
Planetary Crater Consortium @planetarycraters.bsky.social The PCC is a community organization of planetary scientists interested in impact cratering on solar system bodies (planets, dwarf planets, moons, asteroids, and/or comets), including observational, theoretical, experimental, and numerical modeling studies.
ESA Exploration @exploration.esa.int Sharing news on Europe's human and robotic exploration, from astronaut training to the next giant leap to the Moon and Mars.
Namya Baijal @namyab.bsky.social Planetary Science PhD Candidate, Lunar and Planetary Laboratory ☄️🌕
Chase Million @millionconcepts.com CEO of Million Concepts. Building software and data systems to reduce space mission risk, increase scientific return, and accelerate discovery.
Astronomer and planetary scientist. Software engineer. Project manager. Writer. Magician. Dog person.
A. Sokołowska @sokolowska.bsky.social Im a physicist working in planetary science at Imperial.
Starzanplanets @starzanplanets.bsky.social Astrophysics | Planetary Science | American Astronomical Society Journals | “Centaurs” AAS/IOP book | DEIA | LGBTQIA+rights | photography
@drkolsen.bsky.social @drkolsen.bsky.social PhD in theoretical physics 🇩🇰🇺🇦🇪🇺🇨🇦🇬🇱
Jennifer Hanley @jenniferhanley.bsky.social Planetary Scientist. Mom. #BillsMafia
Kevin T. Trinh @icymoonskevin.bsky.social Barr Postdoctoral Fellow at Caltech🦫
Planetary science + icy moons 🌕🧊🚀
https://www.kevintrinh.space/
S.M. Pritchard @smpritchard.bsky.social Physics BSc. | Hard SF Writer/Worldbuilder | Space Artist | Amateur (hopefully one day professional) Astronomer | They/Them | Opinions my own
Remco de Kok @planetremco.bsky.social Academic wanderer, all the atmospheres, dad, husband, runner. He/him.
UNITED24 @u24.gov.ua The initiative of the President of Ukraine, Volodymyr Zelenskyy
The main platform for collecting charitable donations in support of Ukraine
u24.gov.ua
Brian Harris @brian-c-harris.bsky.social Planetary science/astrophysics undergrad at UC Berkeley interested in characterizing planetary interiors (and a lot of other things!) 🌎🪐
🏳️🌈 he/him
Álvaro González @thegeonaut.bsky.social Lecturer of Earth Physics at the University of Barcelona, Spain @cienciesterraub.bsky.social
PhD in Geology and researcher on earthquakes, meteorite impacts and other natural hazards.
www.geonaut.eu
Open Culture @openculture.bsky.social A culture and education website that tries to make the web a more intelligent place. Features free courses, movies, audio books, ebooks & thought-provoking daily posts.
Find us at: https://www.openculture.com/
Loreno Heer @lorenoheer.bsky.social Scientist: PhD in mathematics. Working in hyperbolic geometry, analysis in metric spaces and mathematical physics (gravitational waves and general relativity), various other scientific interests.
Here mostly to connect with researchers.
he/him
born@344 ppm
Reuters @reuters.com 
Terra Hunting Experiment @terrahunting.bsky.social Using the HARPS3 spectrograph for a 10-year radial velocity survey to discover Earth-like planets around solar-like stars. https://www.terrahunting.org/ #exoplanets #astronomy #instrumentation
Ursula K. Le Guin Bot @leguinbot.bsky.social This is a bot that posts a quote by Ursula K. Le Guin every 2 hours. Was ursulabot on twitter
Comet Interceptor @cometinterceptor.bsky.social An ESA + JAXA mission to wait in space for a flyby of a dynamically new comet ☄️
Visit our official ESA website: https://www.esa.int/Science_Exploration/Space_Science/Comet_Interceptor
See our recent papers: www.cometinterceptor.space
Jordon Hemingway @jordonhemingway.bsky.social ETH Earth Science assistant prof. studying long-term C, O, and S cycle evolution using isotopes and biomarkers. Butcherer of the German language. 🇺🇲 in 🇨🇭 He/him.
Saganism @sagan.bsky.social Reason. Skepticism. Wonder.
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer. Musician.
Sometimes funny. 🏳️🌈
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Jonathan Koomey @jgkoomey.bsky.social Climate solutions, information technology, critical thinking skills. Born at 318 ppm. https://www.koomey.com
Starfleet Design 🖍🖖 @starfleetdesign.bsky.social Fan of colourful Star Trek and sleek starships • designer • #Blender3D • fonts! • AuDHD • typos • humanist • he/him • no commissions • opinions are mine not Starfleet’s • #StarfleetFinds • #WIP
https://artstation.com/starfleetdesign
R.E.M. @remhq.bsky.social Band from Athens, GA, 1980-2011, made music, lasts forever.
@cosmos4u.bsky.social @cosmos4u.bsky.social 
Seba Pérez @sebaperez.bsky.social Chilean astrophysicist and Dr/Prof at USACH. Planet formation and young exoplanets. Artsci interplay.
Muséum national d’Histoire naturelle @mnhn.fr 400 ans d’aventures scientifiques pour éclairer demain
🌍 Observer, comprendre, agir pour la Terre et le vivant
📍 10 musées, jardins et zoos en France
S’abonner 👉 mnhn.fr/la-newsletter-du-museum-sur-la-terre-et-le-vivant
Seb Breitenbach @speleoseb.bsky.social Stable & clumped isotopes, caves, karst, past climate, permafrost, continental climate change & society, Asia, Siberia, environmental monitoring, head of the NICEST lab, Berliner at heart - Slava Ukraini 🇺🇦💙💛
Moral Geohazard @subduction.bsky.social Amsterdam-based mineral physics PhD student, volcanologist, meteoriticist, linguist, and mediocre photographer.
"Sorry, but you simply do not know what you are talking about"
- Allan R. Bomhard, 2024
he/him
Max-Planck-Gesellschaft @maxplanck.de Official account of the Max Planck Society. Devoted to basic #research in #physics #astronomy #chemistry #biology #earthsciences #materialscience #mathematics #socialsciences and the #humanities; Imprint: https://www.mpg.de/imprint
Aubrey Jane Roberts @aubronectes.bsky.social Palaeontologist. Likes marine reptiles. Member of the Spitsbergen Mesozoic Research Group. Words = my own
Kareem El-Badry @kelbadry.bsky.social Astronomer @Caltech.edu, studying binary stars and black holes 
GBIF @gbif.org Global Biodiversity Information Facility
Want to be the first to learn about new datasets and use of data in GBIF? Check out @gbifmorpho.bsky.social 🦋
Natural History Museum Denmark @nhmdk.bsky.social Inspiring you to enjoy, understand and care for nature 🐚🦚🐋🦋🌼🌿🍄🐘
www.snm.dk
Wikimedia Foundation @wikimediafoundation.org We are the nonprofit organization that hosts Wikipedia and other free knowledge projects. Working to create a world where every human can freely share in the sum of all knowledge.
donate.wikimedia.org
Wikipedia @wikipedia.org A free, collaborative, multilingual internet encyclopedia.
donate.wikipedia25.org
Spacepod @spacepod.bsky.social
Kids ask the toughest science questions. Spacepod gets astronomers to answer them! The questions are from kids, but the answers are for all ages. Made by Prof Carrie Nugent, www.crnugent.com.
Lilium Brick Yards @liliumbrickyards.com LEGO model builder, specializing in science fiction.
"The Doug Drexler of LEGO" - reddit user
Instructions for my builds are on my website! :)
they/she
https://liliumbrickyards.com/
Formerly known as ky-e bricks
Rob Larter @polarrobs.bsky.social Polar marine scientist. UK Science Lead in Science Coordination Office of International Thwaites Glacier Collaboration. Views are my own.
On Mastodon @PoLaRobs@fediscience.org
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- J Jessie Dotson @jessiedotson.bsky.social
David Ho @davidho.bsky.social Climate scientist; ocean carbon cycle and climate solutions. Professor @soest.hawaii.edu, University of Hawaiʻi at Mānoa; Visiting Faculty, Arizona State University. https://linktr.ee/david_ho
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
Dr. JB Vincent @comet-toolbox.com Planetary scientist studying the formation and evolution of asteroids and comets. PI of the cameras on ESA's Hera and RAMSES missions. Also musician (3xperimental and Quantum Somnium).
PIK_climate @pik-potsdam.bsky.social Science for safe & just #Climate future. Scientific Directors: Johan #Rockström, Ottmar #Edenhofer // Website EN: https://www.pik-potsdam.de/en, DE: https://www.pik-potsdam.de/de // All PIK social media channels: https://pik-potsdam.de/socials
William Shatner @williamshatner.bsky.social 
Elise Cutts @elisecutts.bsky.social Science journalist in Austria writing for Quanta, New Scientist, Scientific American, Science, and others. Signal: emc.7243623.
Get my newsletter about the forces that shape how research is done, shared, believed, and acted upon: www.reviewertoo.com
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
Nat Stephen @natstephen.bsky.social Director (Science & Engagement) for @geolsoc.bsky.social | Academic at Imperial | #FirstGenPhD 🎓 #geology #Mars #meteorites #ElectronMicroscopy 🏳️🌈 She/Her - Views my own
Jürg Grossen @juerg-grossen.bsky.social Unternehmer, Politiker und Präsident der Grünliberalen
The FLUX Team (ERC Project) @amgc-flux-team.bsky.social We are a research team at VUB's AMGC lab, focused on reconstructing Earth's intake of extraterrestrial material across geological time. Work funded by the ERC.
Maureen Cohen @maureenjcohen.bsky.social Atmospheric & planetary scientist. Venus, exoplanets, Earth, Mars. Based in Edinburgh. @openuniversity.bsky.social
Science X / Phys.org @sciencex.bsky.social Science X provides daily science news on research developments, technological breakthroughs and the latest science innovations.
Phys. org: https://phys.org/
Medical Xpress: https://medicalxpress.com/
Tech Xplore: https://techxplore.com/
Chop Shop Studio 🇺🇸+🇺🇦 @chopshopstore.bsky.social Makers of fine Planetary Society and SETI products found at Chopshopstore.com | Our design studio is chopshop.studio | Find my Space Vehicle Pins here: https://chopshopstore.myflodesk.com/vehiclesonly
@demonplanet.bsky.social @demonplanet.bsky.social L. Drake Deming. Decades of exoplanets: Ground, Hubble, Spitzer, JWST. Radiative transfer. RV of the Sun-as-a-star.
Linn Boldt-Christmas @nplinnspace.bsky.social 🇸🇪🚀🇪🇺 Astrophysicist in exoplanet science & space policy research 🪐🔭 Also: astrobiology, telescopes, climate, equality/EDI, and scicomm ✨ (she/her) – linnboldtchristmas.wordpress.com
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
Volt Europa @volteuropa.org 🇪🇺 United States of Europe now! Building a federal, green, progressive Europe.
💜 5 MEPs | 360+ representatives | 30+ countries | Be the change and join 👉 https://volt.team/simple-join/en
Volt Switzerland @voltswitzerland.org Faktenbasiert. Pragmatisch. Progressiv.
Für eine moderne Schweiz in Europa 🇨🇭🇪🇺💜
Swiss chapter of the #Paneuropean Party @volteuropa.org
Impulse Space @gotoimpulse.bsky.social Accelerating our future beyond Earth #MobilizeSpace
impulsespace.com
Dominick Oppolo (Dom-O)🚀🧑🚀🌃📸🔭 @dom-o.bsky.social Interested in all things space. Astrophotography, rockets, general photography, woodworking. Father to 2 great daughters and devoted husband to my wonderful wife. He/him.
Mary (geographile) @geographile.bsky.social Natural/scientific pantheist, I homeschool, I am an earth sciences fan if I define earth science to also include the science of things on the Earth and in the cosmos.
Disabled queer parent.
Lots of speech to text errors!
No unsolicited DMs please.
@unistellar.bsky.social @unistellar.bsky.social 
Robert Picardo @robertpicardo.bsky.social Actor, collectible, Planetary Society Board Member and AI since the 90s .
Folk Emerging 🦣 stone age 4X @curiousdynamics.bsky.social Solo #gamedev making Folk Emerging, the stone age 4X strategy game that ends where civilization begins🌋🦣🏃♂️ Coming Aug 26th!
👉 Play the DEMO: https://store.steampowered.com/app/2275300?utm_campaign=bsky_bio
✉️ Sign up for playtests: subscribepage.io/vAwvvR
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
Shergottite @shergottite.bsky.social I like rocks, space, rocks from space, rocks from space that originated from Mars, and dogs. Cats too, I guess. Oh, I like to play video games. 
Ursula K. Le Guin @ursulakleguin.com Ursula K. Le Guin (1929-2018) was a celebrated author of novels, children’s books, poetry and essays. This account is managed by her estate.
https://www.ursulakleguin.com/
Sombrerogalaxie 🇬🇱 @messierm104.bsky.social Emsland, Eifel, München, Dresden - GRÜN - #FightCancer *318ppm 🔭🏑
Teeologe 🫖 Grönland-Ultra 🇬🇱
Naturhistorisches Museum Bern @nmbern.bsky.social Eine Institution der Burgergemeinde | Das Naturmuseum der Schweiz | Barry, der Planggenstock-Schatz und 6,5 Millionen Objekte | Teile deine Momente mit #nmbern
Dr. Jonathan Foley @globalecoguy.bsky.social - Executive Director, Project Drawdown drawdown.org
- Climate scientist, working on solutions
- Passionate about science, communication, and hope
- Minnesota based, Maine born
- Personal account / My views
IAU Working Group on Star Names (WGSN) @iau-wgsn.bsky.social Working Group on Star Names (WGSN) of the International Astronomical Union (IAU). Maintained by @susanne-m-hoffmann.bsky.social @msfa94.bsky.social
Roman for Scientists @nancyromansci.bsky.social NancyRomanSci is managed by the Roman Science Centers and provides researchers with the most up-to-date information related to doing science with NASA's Nancy Grace Roman Space Telescope
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
Angela Marusiak @planetaryquakes.bsky.social Planetary scientist looking to see what’s shaking in our solar system, currently an Asst. Research Professor at LPL. Thoughts are my own, not my employers 🪐 🚀🌔
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency