Universität des Saarlandes @uni-saarland.de Offizieller Account der Universität des Saarlandes 🎓 Impressum: https://www.uni-saarland.de/social-media-impressum, Datenschutz: https://www.uni-saarland.de/social-media-datenschutz, Netiquette: https://www.uni-saarland.de/social-media-netiquette
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.
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
12tone @12tone.nebula.tv Something something music theory.
they/them
CTBTO @ctbto.bsky.social The Comprehensive Nuclear-Test-Ban Treaty Organization. We work to end nuclear test explosions worldwide.
https://ctbto.info/m/links
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
EGU Geodesy Division @g.egu.eu Official EGU Geodesy Division account, operated by volunteers on behalf of @egu.eu
Online: weekdays, European time
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.
UFZ @ufz.de Helmholtz-Zentrum für Umweltforschung (UFZ) | Helmholtz Centre for Environmental Research (UFZ); Impressum | Imprint: https://www.ufz.de/impressum
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
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
Veritasium @veritasium.bsky.social An element of truth - videos about science, education, and interesting things.
https://linktr.ee/veritasium
Fermat's Library @fermatslibrary.bsky.social A platform for illuminating academic papers. We annotate and share a paper every week.
Dianna Cowern @thephysicsgirl.bsky.social Lame puns and #longcovid. Maybe some science here and there.
Akiyoshi Kitaoka @akiyoshikitaoka.bsky.social illusion
Volksverpetzer @volksverpetzer.digitalcourage.social.ap.brid.gy Wir sind die "Fakten-Jünger" vom Anti-Fake-News-Blog Volksverpetzer. Ihr findet hier Faktenchecks & Analysen von Diskursen. Wir existieren nur Dank 100% […]
🌉 bridged from ⁂ https://digitalcourage.social/@Volksverpetzer, follow @ap.brid.gy to interact
Computerphile @computerphile.bsky.social YouTube videos about computers and the internet and stuff... Sister project to numberphile
Supported by Jane Street - https://jane-st.co/computerphile
Jonas Obleser @jonasobleser.bsky.social Psychology and Neuroscience at University of Lübeck | U Konstanz, UCL, Max Planck alumnus | Editing for J Neurosci and eLife | www.jonasobleser.com | www.obleserlab.com 
Science Magazine @science.org Cutting-edge research, news, commentary, and visuals from the Science family of journals. https://www.science.org
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
Tony Padilla #JFT97 Don’t buy the S*n @proftonypadilla.bsky.social Physics, Socialism and Liverpool FC. Author of Fantastic Numbers and Where to Find Them (views are all mine, nowt to do with anyone or anything else)
Michael Stevens @vsauce.bsky.social 
@simonsinghnerd.bsky.social @simonsinghnerd.bsky.social 
Nature Futures @naturefutures.bsky.social Science fiction from the home of science. Nature's award-winning SF column nature.com/futures
@javielio.bsky.social @javielio.bsky.social Associate Professor at @hvl_no | Environmental science | Data Science. #rstats #GIS #maps
https://javiereliomedina.github.io/javielio/
Deutscher Bundestag @bundestag.de Der Bundestag verhandelt öffentlich. (Art. 42 GG)
📝Sie haben Fragen oder möchten uns etwas mitteilen? 👉 socialmedia@bundestag.de
Impressum: https://www.bundestag.de/impressum
Netiquette: https://www.bundestag.de/services/netiquette_som/netiquette-710192
Terrible Maps @terriblemapshq.bsky.social The home of terrible maps with a pinch of humour
terriblemaps@gmail.com
Scientists for Future 🇩🇪 (S4F) @de.scientists4future.org Scientists for Future Deutschland #S4F
https://de.scientists4future.org/
GFZ Helmholtz-Zentrum für Geoforschung @gfz.bsky.social Hier skeetet die Gruppe Kommunikation und Medien des GFZ in Deutsch und auf Englisch | Skeets by Communications and Media of GFZ Helmholtz Centre for Geosciences
Auswärtiges Amt @diplo.de Aktuelle Nachrichten aus dem Auswärtigen Amt
Impressum, Datenschutz & Netiquette: t1p.de/jkm1
Bundesumweltministerium @umweltministerium.de Offizieller Kanal des BMUKN. Für den Schutz von Umwelt und Klima, für den Erhalt der Artenvielfalt und der einzigartigen Natur. 🌳
🔗 bundesumweltministerium.de/impressum
Make Magazin @makemagazin.de Deutschlands gefährlichstes DIY-Magazin & Maker Faire DACH: Für Maker und alle, die es werden wollen.
- Impressum: heise.de/s/Y32L Datenschutz: heise.de/s/lOYG
MIT Technology Review @technologyreview.com Our in depth reporting on innovation reveals and explains what’s happening now to help you know what’s coming next.
Find our journalists on Bluesky: https://bsky.app/starter-pack/technologyreview.com/3lar7fofuwl2n
@ixmagazin.bsky.social @ixmagazin.bsky.social iX ist das heise-Magazin für professionelle IT.
Impressum: https://heise.de/s/B86e
Design Reviewed @designreviewed.com 
Jemaine Clement @jemaineclement.bsky.social 
Bundesamt für Kartographie und Geodäsie (BKG) @bkgbund.bsky.social 🌐 Wir sind zentraler Geo-Dienstleister des Bundes. #WirGebenOrientierung
Netiquette: https://www.bkg.bund.de/DE/Service/Kontakt/kontakt.html
Impressum: https://www.bkg.bund.de/DE/Service/Impressum/impressum_cont.html
IAEA - International Atomic Energy Agency @iaeaorg.bsky.social Official account of the International Atomic Energy Agency (IAEA), the 🌍's centre for cooperation in the nuclear field, promoting the safe, secure and peaceful use of nuclear technology.
Threatening Music Notation @musicnotation.bsky.social Cataloguing threatening music notation.
Reposting from the original account.
Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector. 
Nobel Prize @nobelprize.org 
Christian Drosten @cdrosten.bsky.social Head of Virology at Charite - Universitätsmedizin Berlin
Helen Arney @helenarney.bsky.social Musical Theatre writer @firebrigademusical.bsky.social, The Unstoppable Letty Pegg. Sometimes geek songstress/scientist/stand-up. Mum x2. 1/3 fotsn.bsky.social. She/her. 📷 @idisukan.
Upcoming 🔥Fire Brigade🔥 shows: https://firebrigademusical.com/about/
Quiztime @quiztime.bsky.social Join us and verify yourself through a little series of quizzes that we share here on Bsky. Learn about the main tools and collaborate with others.
Julia Bayer @juliabayer.bsky.social Investigations @ DWNews, Synthetic media @ DWInnovation, OSINT @quiztime.bsky.social Contact: julia.bayer@protonmail.com / DM more: about.me/juliabayer
Mal @ Keen Bean Studio @malrempen.bsky.social Games, comics and good times with good people!
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Lars Fischer @fischblog.bsky.social Chemist, blogger and science journalist. Physical sciences editor for Spektrum der Wissenschaft.
Writes about chemistry, infectious diseases, earth sciences, disasters and quokkas.
Posts in english and german.
Florian Aigner @florianaigner.at Physiker, Autor, Wissenschaftserklärer, Kolumnist. Gegen Faschismus, für Menschenrechte. Wien, Europa, Milchstraße & Umgebung. Glaube nicht alles, was du denkst!
Javier Elío @javierelio.bsky.social Farsante desde 1984
Nature Portfolio @natureportfolio.nature.com Nature Portfolio’s high-quality products and services across the life, physical, chemical and applied sciences is dedicated to serving the scientific community.
José - Luis Gutiérrez Villanueva @josechka.bsky.social Specialist radon measurement advisor at http://radonova.org. Helping #people to reduce dangers coming from exposure to #radon gas. Learning never ends. #sweden
Peter Breuer @peterbreuer.bsky.social Texter
gallenbitter @gallenbitter.bsky.social Aber nur, wenn es sein muss.
SF Encyclopedia @sfencyclopedia.bsky.social The Encyclopedia of Science Fiction -- founded 1979, Hugo winner for 1979, 1993 and 2011 editions, now free online at https://sf-encyclopedia.com/ with principal editors John Clute and David Langford.
Informationsdienst Wissenschaft - idw @idw-online.de Der Informationsdienst Wissenschaft (idw) postet hier die Pressemitteilungen (Forschungsprojekte, Forschungsergebnisse und wissenschaftliche Publikationen) seiner Mitglieder.
Laborjournal @laborjournal.bsky.social Magazin-Journalismus für die Life-Science- und Biotech-Community · Webseite: http://laborjournal.de
https://mstdn.science/@laborjournal · www.instagram.com/laborjournal · www.linkedin.com/company/laborjournal · www.facebook.de/laborjournal
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
Captain Disillusion @captaindisillusion.bsky.social Videos. Educational? Not really. Funny? Eh.
"the Chappell Roan of educational YouTube"
youtube.com/@captaindisillusion
patreon.com/captaindisillusion
https://go.nebula.tv/captaindisillusion
Brady Haran @bradyharan.bsky.social Videos & Podcasts
More about my work at: https://linktr.ee/bradyharan
Smarter Every Day @smartereveryday.bsky.social Hello. I’m Destin Sandlin. I make videos for my YouTube channel “Smarter Every Day“. I’m not interested in arguing.
Martin Röösli @martinroosli.bsky.social Professor of Environmental Epidemiology @SwissTPH, @unibas.
Interested in health and noise, radiation, air pollution and climate change.
Mike Sowden @mikeachim.bsky.social Writer (on science, travel & curiosity), Yorkshireman, tedious enthusiast, professional overthinker, Megathreader. Now: Scotland.
Writes Everything Is Amazing: https://everythingisamazing.substack.com/
Ruprecht Polenz @polenz.bsky.social
MdB (CDU) 1994-2013; Vorsitzender des Auswärtigen Ausschusses 2005-2008; CompassMitte, Präsident der Deutschen Gesellschaft für Osteuropakunde (DGO); Goldener Blogger 2019 🇩🇪🇪🇺🇮🇱🇺🇦
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
ErrantScience @errantscience.com An account full of daily silly science cartoons
Drawn by @drmceep.bsky.social
Max-Planck-Institut für Astronomie @mpi-astro.bsky.social Astronomical research institute in Heidelberg, Germany / Astronomisches Forschungsinstitut in Heidelberg
Impressum: https://www.mpia.de/impressum
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning
Passionate about a better future for science communication via @astrosky.eco
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Star Trek Minus Context @nocontexttrek1.bsky.social Double dumb-ass on you. (And so fourth)
#AltText enthusiast. Also on mastodon, formerly on twitter. Other similar accounts are not me.
Vereinigung der Sternfreunde @sternfreunde.de Die Vereinigung der Sternfreunde e.V. ist mit ca. 4000 Mitgliedern der größte überregionale amateurastronomische Verein in Deutschland. Am 12. August 2026 ist Sonnenfinsternis und Lange Nacht der Astronomie!
https://sternfreunde.de/
Tom Gauld @tomgauld.bsky.social Cartoonist and Illustrator. My book of science cartoons, PHYSICS FOR CATS, is available now! www.tomgauld.com
Astronomy Picture of the Day (unofficial bot) @fanapod.baldanders.info This is bot account.
Deliver "Astronomy Picture of the Day" using NASA API.
NASA API: https://api.nasa.gov/
Managed by @baldanders.info
Powered by https://github.com/goark/toolbox
European Commission @ec.europa.eu News and information from the European Commission. Social media and data protection policy: http://europa.eu/!MnfFmT
𝙂𝙍𝙊𝙉𝙆𝙃 @gronkh.blue SPÜRE MEINE INFLUENZ!! ¯\_(ツ)_/¯
Troublemaker, Firestarter, Problemkind, INFP-T
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
Kelly Weinersmith @weinersmith.bsky.social A big nerd. Co-author of NYTimes Bestsellers Soonish & A City on Mars. Co-host of Daniel and Kelly's Extraordinary Universe. She/her
www.weinersmith.com
Zach Weinersmith @zachweinersmith.bsky.social New Book out this summer: Sawyer Lee and the Quest to Just Stay Home.
Other things of mine: Bea Wolf, A City on Mars, and SMBC
Website: www.smbc-comics.com
Patreon: https://www.patreon.com/ZachWeinersmith?ty=h
Twisteddoodles @twisteddoodles.bsky.social Cartoonist, scientist. I draw cartoons for newscientist. I wrote a book once. 
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
Der Volksverpetzer @volksverpetzer.de "Fakten-Jünger", Anti-Fake-News-Blog. 100% Crowdfunding.
Unterstützen: https://www.volksverpetzer.de/unterstutzen/
Alle Links: https://www.volksverpetzer.de/links/
Posts von @laschyk.volksverpetzer.de, wenn nicht anders angegeben
Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
John D. Cook @johndcook.bsky.social Mathematician, data privacy consultant
See also @johndcook.mathstodon.xyz.ap.brid.gy
Radon Journal @radonjournal.bsky.social Publisher of short prose & poetry relating to science fiction, anarchism, transhumanism, and cyberpunk dystopia. Pays semi-pro rates. Simultaneous Times partner. CLMP member. Like Black Mirror but more political.
RadonJournal.com
Randall Munroe @xkcd.com 
Grant Sanderson @3blue1brown.com Math videos
Matt Parker @standupmaths.bsky.social That maths guy from the internet.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
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.