Galaxy Map @galaxymap.bsky.social The first accurate and detailed maps of the Milky Way and ways to promote and visualize them (including VR).
Website: https://kevinjardine.dev
Tip jar: https://tiptopjar.com/kevinjardine
Furkan Onder @furkanonder.bsky.social Python Triage Member | Focusing on CPython #LKD #Python #ArchLinux #Django #eBPF
https://github.com/furkanonder/
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Jacco Vink @jaccovink.bsky.social X-ray & gamma-ray astrophysicist at the @api.uva.nl and @grappainstitute.bsky.social at the @uva.nl.
Book author of "Physics and Evolution of Supernova Remnants" published by @springer1842.bsky.social.
ECMWF @ecmwf.int European Centre for Medium-Range Weather Forecasts
For press enquiries or for general queries to the Service Desk, please visit http://ecmwf.int/en/about/media-centre
Dr. Kidpixo 🔢🛰☄🌐🔧💻⌨️🐍🐧🚲🇮🇹🇬🇧🇩🇪🇯🇵 @kidpixo.bsky.social data 🔢,space 🛰☄,web🌐,hacking🔧💻,keebs⌨️,python 🐍,(Arch)Linux 🐧,bike🚲,Italian🇮🇹,English🇬🇧,Deutsch🇩🇪,日本語初心者🇯🇵
Qicheng Zhang @cometary.org 
The Phoenix Project @phoenixprojnow.bsky.social Uncover the Bay Area’s astroturf network and dark money trail.
Learn more: https://linktr.ee/phoenixprojectnow
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
NASAEarthWatch @nasaearthwatch.bsky.social Witnessing and documenting the decimation of Earth Sciences at NASA. A personal and partial view from a veteran scientist employed at one of the centers. Sharing information and occasional comment.
Sebastian Steinig @sebsteinig.bsky.social Data Visualization Developer @ECMWF, UK | environmental data visualisation + communication | creator of http://climatearchive.org
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Javier Licandro @javierlicandro.bsky.social Astrofisico
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
karpathy @karpathy.bsky.social AI @ OpenAI, Tesla, Stanford
Jessica Lu @jluastro.bsky.social Astrophysicist, Associate Professor @UCBerkeley. Interested in black holes, stars, galactic centers, astronomy instrumentation, adaptive optics.
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pākehā; she- A Matthew Hopkins @astrohopkins.bsky.social Trombonist with a side-gig studying interstellar objects.
Andy Lawrence @e-astronomer.bsky.social Active Galaxy Nut and Space Environmentalist.
Read Losing The Sky at Amazon, Apple Books, or Google Play.
More grooviness at https://andyxlastro.me 
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
Howard Butler @howardbutler.com Point clouds. Open source. PDAL, GDAL, Entwine, http://COPC.io, libspatialindex, and others. non-contributor corporate entity leading Hobu, Inc.
Royal Meteorological Institute @meteobe.bsky.social Royal Meteorological Institute of Belgium (RMI) | Meteorological services and research about weather and climate.
🌐 www.meteo.be
[FR] Institut Royal Météorologique de Belgique (IRM)
[NL] Koninklijk Meteorologisch Instituut van België (KMI)
Stephen Leahy @stephenleahy.bsky.social Author & Enviro Jurno +25 years | SEAL Award for Enviro Journalism; UN Global Prize for Climate Reporting, etc
3000+ articles @ The Guardian; Nat Geo; Vice; New Scientist; IPS; etc
Substack: https://leahy.substack.com
https://authory.com/StephenLeahy
Corinne Le Quéré @clequere.bsky.social Climate scientist & oceanographer. @royalsociety.org Professor @uniofeastanglia.bsky.social . Member @thecccuk.bsky.social #carbonbudget author.
𝙼𝚊𝚝𝚝𝚑𝚎𝚠 𝙷𝚊𝚗𝚜𝚘𝚗 @geoskeptic.bsky.social Matthew is just this guy, you know?
Remote sensing, open-source and geospatial @element84
Jed Sundwall @jed.co https://jed.co
California Geological Survey @cageosurvey.bsky.social Info about the Golden State’s earthquakes, geology, & minerals from scientists at the California Geological Survey (CGS), a division of #CalConservation.
John Gizis @johngizis.bsky.social Astronomer, University of Delaware
Speaking for myself. 
Luc Bastiaens @lucbastiaens.bsky.social 
Alain Geenrits @bitstream.geenrits.net 
@stijncalders.bsky.social @stijncalders.bsky.social 
Maarten Reyniers @mrtnrey.bsky.social Works as radar, nowcasting, crowdsourcing scientist @ KMI (https://meteo.be) / Lives in Leuven / PhD Astronomy KULeuven '02 / personal: https://weernet.be & https://pimpelme.es
Jean-Marc Wislez @jmwislez.bsky.social 
Royal Observatory of Belgium @orb-ksb.bsky.social Observatoire royal de Belgique / Koninklijke Sterrenwacht van België / Königliche Sternwarte von Belgien / Royal Observatory of Belgium
Belgian Federal Scientific Institute
#Astronomy #Sun #Planets #Earth
https://www.astro.oma.be/
Lieven Scheire @lievenscheire.bsky.social Science and comedy on stage and on TV, in Dutch and English.
Www.lievenscheire.com
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Oilfield Witness @oilfieldwitness.bsky.social We are methane hunters and movement organizers. We use optical gas imaging to expose the dirty secrets of oil and gas. We leverage this intelligence to educate the public and policy makers to strengthen climate movements.
www.oilfieldwitness.org
Molly Burke @mollyburke.bsky.social Hearst fellow @sfchronicle.com | previously Times Union, Medill Investigative Lab, Denver Post, Sacramento Bee, Bay City News Foundation | Northwestern | Davis, CA
Eoghan Daltun 🌍 @irishrainforest.bsky.social Author of award-winning bestseller An Irish Atlantic Rainforest. Over 17 years rewilding our 73-acre farm on the Beara Peninsula, West Cork. In love with Earth's biosphere.
Harry Stranger @spacefromspace.com Satellite images past and present 🛰️
Building an archive of interactive declassified spy satellite images 🕵️
https://spacefromspace.com- Z @zevini.bsky.social @zevini.bsky.social
Julie Brown Davis @juliebrowndavis.bsky.social Writer, journalist. California mountain towns editor at SFGATE. I write about small towns and big ideas in the mountains. My corgi is named Squirrel.
Geospatial Innovation Facility @berkeleygif.bsky.social The Geospatial Innovation Facility (GIF), UC Berkeley provides leadership & training across a broad array of integrated mapping technologies.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
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
🏳️🌈🫶🏳️⚧️
Feng Yin (Marc) @marcyin.bsky.social Research associate
Department of geography, UCL.
Auke Hoekstra @aukehoekstra.bsky.social Sharing hope and debunking FUD against electric vehicles and renewable energy. Director NEONresearch.nl @TUeindhoven Founder Zenmo.com.
Dr. Stephanie Roe @stephanieroe.bsky.social Global Climate Lead Scientist @WWF
IPCC Lead author AR7 and AR6
Working at the intersection of climate, biodiversity & sustainable development.
Research: Ecosystems, Food, CDR, Energy
Pinay, mom, sunshine hunter, LOL-er
Matthew Hayek @matthewhayek.bsky.social NYU Associate Professor of Environmental Studies. Climate, animals, land use, and food systems. MatthewHayek.com
Center for Biological Diversity @biologicaldiversity.org More than a million species could be lost to the Extinction Crisis in the coming decades. Learn about our work to save Earth's wildlife & wild places. www.biologicaldiversity.org
Rutger Bregman @rutgerbregman.com Historian | Author of ‘Utopia for Realists’ (2014), ‘Humankind’ (2020) and ‘Moral Ambition’ (2025) | Co-founder of The School for Moral Ambition | moralambition.org | rutgerbregman.com
📖 substack.com/@rutgerbregman
📺 youtube.com/@rutger.bregman
California Fire Science Consortium @cafirescience.bsky.social 
Jared Dahl Aldern @jdaldern.bsky.social Co-lead of the Sierra-Sequoia Resource Stewards, a partnership of four California Native American Tribes and other landowners, fire practitioners, and researchers. Co-editor, *Landkeeping: Restoring Indigenous Fire Stewardship and Ecological Partnerships*
ESA Earth Observation @esaearth.esa.int @esa.int #EarthObservation: Taking the pulse of our planet from space.
Please see our Privacy Notice: http://esa.int/connectwithus
We share pictures and news on our planet as seen from space.
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
Jessica McCarty @jmccartygeo.bsky.social 🔥🛰️🌱 Science, mainly.
🔵Nicer online than in-person.
⚪️Actual real-life Kentucky hillbilly, currently California resident.
🔴Personal account. I do not speak for my employer, all posts mine alone.
Krista West, Ph.D. @rsfirenerd.bsky.social 🔥🗺️ Pyrogeographer.
🛰️🛩️🔥 #RemoteSensing of #Wildfire.
❤️🚒 Passionate about finding ways to help emergency responders.
📣 #SciComm
👩💻 https://www.kristaleewest.com/
📍 Colorado, USA
Steve Pyne @sjpyne.bsky.social Writer, fire guy (aka pyromantic), exploration historian, urban farmer. Recent books include "Pyrocene Park" and "Five Suns: A Fire History of Mexico."
Website: www.stephenpyne.com
Michael Wara @michaelwara.bsky.social Works at Stanford on equitable climate and energy law/policy with a big helping of wildfire and insurance.
Emily Dolhansky @emilydolhansky.bsky.social Forests, fire, and what comes after. Working toward a just future for public lands. 𖣂𖠰𖣂
NFFE 2152 VP. Views are mine.
AerosolWatch @aerosolwatch.bsky.social Satellite observations of global aerosol and air quality events, including wildfires, dust storms, and haze. Featuring NOAA satellite products from the AerosolWatch website (https://www.star.nesdis.noaa.gov/smcd/spb/aq/AerosolWatch/).
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
Jeff Berardelli @weatherprof.bsky.social Same @WeatherProf as Twitter. Posting about climate and weather. Chief Meteorologist and Climate Specialist WFLA NBC Tampa 
John Quinn @johndangerquinn.bsky.social North of Ireland. www.johnqu.in
Jon Engelsman @engelsman.bsky.social engineer // ground software and satellite scheduling @ umbra space 📡🛰️ // previously ops and r&d in telecom, energy and aerospace // engelsjk.com
NOAA @noaa.gov NOAA provides science, service and stewardship to protect life, property & Earth's natural resources. An agency of the Department of Commerce. Join us on Instagram & Facebook. Official NOAA account.
Kevin Wurster @geowurster.bsky.social Formerly: twitter.com/geowurster
Bikes, Earth imaging, Python, etc.
Jean Vandemeulebrouck @jeanvandem.bsky.social Geophysics, Volcanology.
Institut des Sciences de la Terre
Chambéry, Grenoble, France
TROPOMI SO2 @tropomiso2.bsky.social Latest news about strong volcanic eruptions detected by Sentinel-5p/TROPOMI #Sentinel-5p #TROPOMI #S5P.
Posts are by P. Hedelt, DLR Remote Sensing Technology Institute (atmos.eoc.dlr.de): @dlr-en.bsky.social 
The Hitchhiker's Guide to Radio Galaxies @ognimaeb.bsky.social Dr Beatriz Mingo. Radio/X-ray astronomer and sustainability enthusiast. Ernest Rutherford Fellow livin' la vida LOFAR at the University of Hertfordshire (UK). European 🇪🇺 Cat minion 🐈 Metalhead 🤘 She/them 🏳️🌈.
Same handle on Mastodon!
Zeke Lunder - The Lookout @wildland-zko.bsky.social Wildland Fire and Forestry Communicator.
Working in the woods since 1990.
Qualified California Burn Boss.
Intel = all public data.
Photos by me.
Fire is the best teacher.
the-lookout.org
Bert Hubert 🇺🇦🇪🇺🇺🇦 @berthub.eu Voormalig toezichthouder, schrijver van stukjes, nerd, amateur wetenschapper. Spreekt namens niemand. https://berthub.eu/
Fabrizio Niro @fabniro.bsky.social Earth Observation Calibration/Validation expert and Project Manager @Serco/ESA - passionate about science, literature, music, cinema - opinions are my own
Franck Marchis @allplanets.bsky.social Dad, Entrepreneur, astronomer, dog-lover who cares about this planet, and our future as a species. You should as well...
astropy @astropy.org A community effort to develop a common core package for Astronomy in Python and foster an ecosystem of interoperable astronomy packages.
Web: astropy.org
Source: github.com/astropy/astropy
Docs: docs.astropy.org
Tutorials: learn.astropy.org
Dr. Crystal A. Kolden @pyrogeog.bsky.social Pyrogeographer. I study wildfire in the era of anthropogenic climate change. Former wildland firefighter. Opinions are my own. *she/her* 🔥🔥🔥
MAST - Mikulski Archive for Space Telescopes @mast-news.bsky.social MAST archives UV/optical/IR data from NASA missions, contributed science products, and analysis tools. https://archive.stsci.edu
This account is primarily to inform our users of updates. For the general public, follow https://bsky.app/profile/stsci.edu
Copernicus ECMWF @copernicusecmwf.bsky.social The #CopernicusClimate Change Service (#C3S) & #CopernicusAtmosphere Monitoring Service (CAMS), implemented by @ecmwf.int on behalf of the @ec.europa.eu.
Simon Clark @simonoxfphys.com Science communicator, video maker, author, podcast creator. PhD in theoretical atmospheric physics. Born at 354 ppm.
Ambassador for @coolearthaction
https://linktr.ee/simonoxfphys
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Greg Dubos @astroptere.bsky.social 🇫🇷🇺🇸 Systems Engineer, PhD at NASAJPL in Los Angeles. Flight Director and Systems Lead on EuropaClipper spacecraft. Activity Lead, Avionics and Systems chair on Mars Perseverance rover. GeorgiaTech & SUPAERO alumnus. Français-US
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
Leah Stokes @leahstokes.bsky.social Professor of climate + energy policy at UCSB. Alumni of MIT, Columbia and UToronto. Hosts "A Matter of Degrees" podcast. Cuts carbon pollution! Proudly 🇨🇦 Gardener 🌱 leahstokes.com; Newsletter: electricnotes.news
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023). Also on Mastodon. @petergleick@fediscience.org. Email me at pgleick (at) gmail.
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
NSF NCAR & UCAR @ncar-ucar.bsky.social We're committed to advancing our understanding of Earth system science, from the ocean to the exosphere, for the betterment of our planet. 🌎 Operated by UCAR and #NSFfunded.
UCLA Environment @uclaioes.bsky.social UCLA Institute of the Environment & Sustainability
Moving science to action ↓ ↓ ioes.ucla.edu
UC Agriculture & Natural Resources @ucanr.edu UC Agriculture & Natural Resources studies food, pests, #environment, #wildfire, youth development & #nutrition for California.
Ryan J Hollister @phaneritic.bsky.social Earth & EnviroSci Educator, Central Valley equity/sustainability advocate, Hiker, Photographer, 2015 NAGT FW Outstanding Educator. 🌋 Tissue Box Maker.
❤️🏕⛰🏜 w/ @Xenolith & Z.
Rachel Cassells (Mihulka) @rachel-cassells.bsky.social Communications at Planet Labs PBC 🌍🛰️
🇺🇸 ➡️ 🇬🇧
DM me to chat #space, #satellites, #conservation, #AI, #defense, #agriculture, #disasterresponse, etc.
Glenn Moncrieff @gmoncrieff.bsky.social Spatial Data Science @ TNC.
Maps, Remote Sensing, ML and Biodiversity.
⛰️ 🌊 🌵 🇿🇦
Maarten Lambrechts @maartenzam.bsky.social Data visualization consultant at the Development Data Group of the World Bank
www.maartenlambrechts.com
@kosmi.bsky.social @kosmi.bsky.social All images processed by me in EO Browser & Copernicus Browser.
Image credits:
ESA/CopernicusEU for Sentinel and NASA/USGS for Landsat.
https://t.ajrkmx1.com/331727/6224/0?po=6533&aff_sub5=SF_006OG000004lmDN
lbSterling @poundsterling.bsky.social Software engineer, transit enjoyer, sometimes I climb rocks and get in sword fights. All opinions are my own.
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. 
Brad Neuberg @bradneuberg.bsky.social Machine Learning engineer @planet. Mentor with Frontier Development Lab. Previously at Dropbox & Google. Started coworking. Interests: Machine Learning, space, Earth Observation, VR.
http://codinginparadise.org
Twitter: @bradneuberg
Michael Kennedy @mkennedy.codes Python enthusiast and entrepreneur. Host of @talkpython.fm and @pythonbytes.fm podcasts, founder of Talk Python Training (https://talkpython.fm/courses). Python Software Foundation Fellow. Writing at https://mkennedy.codes Based in Portland, OR, USA.
Python Bytes @pythonbytes.fm A Python podcast covering recent developer headlines. Hosted by @mkennedy.codes and @brianokken.bsky.social. Listen to all the episodes and subscribe at https://pythonbytes.fm/