Zotero @zotero.org I’m the free, easy-to-use tool that helps you collect, organize, annotate, cite, and share your research sources. 
Gary Hershorn @garyhershorn.bsky.social Photojournalist in New York City. Previously with Reuters. Getty Images contributor. Instagram: @garyhershorn TikTok: @garyhershorn
Larry the Cat @number10cat.bsky.social Chief Mouser to the Cabinet Office. 17 year old tabby. Living with my seventh Prime Minister. Unofficial.
https://www.buymeacoffee.com/Number10cat
Center for Space Environmentalism @space-environment.bsky.social The Center for Space Environmentalism (CSE) increases awareness and understanding of space environmentalism issues and helps stakeholders make better decisions about them by pursuing research, education, outreach and advocacy. spaceenvironmentalism.org
Purchase with Purpose @purchase-w-purpose.bsky.social 🌏 Community initiative to fight the billionaire economy in favour of smaller & more ethical businesses
🤖 Starting with Big Tech
🔥 Join the movement!
🌐 purchasewithpurpose.io
🇪🇺 purchasewithpurpose.eu
🇨🇦 ca.purchasewithpurpose.io
💬 - discord.gg/5JFGRsSak8
lady brainiac @gierratio.com Tube amp mechanic. General nerd. Slow writer.
gierratio.com
#AbolishIce
she/they 🏳️⚧️
Trump Action Tracker @trumpactiontracker.bsky.social This is the bot for TrumpActionTracker.info - a website that documents the actions, statements, and plans of President Trump and his administration that echo those of authoritarian regimes.
This bot automatically posts the latest actions.
Zoom Earth @zoom.earth Interactive weather map and hurricane tracker.
Get our app 👉 https://zoom.earth/app
DSCOVR:EPIC @dscovr-epic.bot.country Pics from the Earth Polychromatic Camera on the DSCOVR spacecraft (unofficial). Formerly @dscovr_epic on twitter.
FAQ: https://russ.garrett.co.uk/bots/dscovr_epic/
Operator: @russ.garrett.co.uk
Mother Jones @motherjones.com Investigative journalism 🕵️, politics 🗳️, chart-tastic 📊, and sometimes sarcastic 🙄😌🤪
Join our people-powered nonprofit newsroom: motherjones.com/subscribe
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
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
Dr Pamela L Gay @starstryder.space I am an astronomer, technologist, and creative focused on using new media to engage people in learning and doing science. Note: I have dyslexia and will typo. OMG will I typo...
Jeremy Berg @jeremymberg.bsky.social Husband, Father, Grandfather, Datahound, Dog lover, Fan of Celtic music, Former NIGMS director, Former EiC of Science, Stand Up for Science advisor, Shananigator, Pittsburgh, PA
NIH Dashboard: https://jeremymberg.github.io/jeremyberg.github.io/index.html
Carl Quintanilla @carlquintanilla.bsky.social 26+ years at @CNBC and @NBCNews / @WSJ alum / Peabody, DuPont, Murrow & Emmy winner
LaurieWired @lauriewired.bsky.social researcher @google; serial complexity unpacker
ex @ msft & aerospace
Kate Gregory @gregcons.bsky.social I advise, develop, mentor, write, and speak. C++ mostly. One of the Carbon leads. Limited availability; you can ask. Want me to speak? http://gregcons.com/SpeakerKit.aspx She/her.
Matt Godbolt @matt.godbolt.org Sometime verb, real person, lover of 8-bit computers, husband & father, trying to be a kind person. #blacklivesmatter; trans rights are human rights.
he/him
Compiler Explorer @compiler-explorer.com A website for exploring the output of compilers. aka godbolt.org
Supports C, C++, Rust, Fortran, COBOL and many many more.
Support us at https://patreon.com/mattgodbolt 
Phil Nash @philsquared.bsky.social Original author of C++ test framework, Catch2, organiser of cpponsea.uk, accuconference.org, cpponline.uk and swiftcraft.uk.
Co-host of @cppcast.bsky.social.
Jason Turner @lefticus.bsky.social C++ Developer, Trainer, Speaker, YouTuber
https://www.youtube.com/@cppweekly
Corey S. Powell @coreyspowell.bsky.social Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Rebecca Watson @skepchick.org is this the one that wins
Elysia Segal @elysiasegal.bsky.social Public Programs at Intrepid Museum 🚀 NASASpaceflight Host 🤓 NASA Solar System Ambassador ☄️ Asteroid 17795 🪐 #NASASocial Alum 👩🏻🚀 #WomenInSTEM
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
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.
US National Gemini Office @usngo.bsky.social The US NGO at NSF NOIRLab supports Gemini Observatory
users in the stages of the astronomical observing cycle, from proposal to data reduction. Visit our website at https://noirlab.edu/science/programs/csdc/usngo.
Conor Shakory @codereport.bsky.social Research Scientist NVIDIA • YouTube Content Creator • Host of ADSP, ArrayCast, Tacit Talk, The R4 Running Podcast • https://conorshakory.com
Servo @servo.org Servo aims to empower developers with a lightweight, high-performance alternative for embedding web technologies in applications.
https://servo.org
https://github.com/servo/servo
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
AkaSci @akasci.bsky.social SatCom Scientist
Writing occasionally about science, space missions, astronomy, planetary science, satellites, Democracy and human rights.
Mostly at https://fosstodon.org/@AkaSci
Hiddenherstory @hiddenherstory.bsky.social “Sharing untold stories of women whose contributions shaped history, from groundbreaking scientific achievements to pivotal moments in art, politics, and beyond. Brief highlights to celebrate their lasting impact.”
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ shop update August 5th
https://stellerarts.com/pages/we-love-you-from-the-moon
Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social Space archaeologist | Global Expert Group for Sustainable Lunar Activity | Asteroid 551014 Gorman | Dr Space Junk vs the Universe. https://mitpress.mit.edu/9780262539654/dr-space-junk-vs-the-universe/ | Blog https://zoharesque.blogspot.com/
AIP Publishing @aip-publishing.bsky.social Highly cited, highly respected, and highly relevant, AIP's archival journals are the cornerstone of many #physics collections. https://pubs.aip.org/
Casey Liss @liss.bsky.social A man of occasionally refined taste and usually coarse language.
I make the iOS app Callsheet, I am a host on @atp.fm and Analog(ue) on @relay.fm. I write at https://caseyliss.com
Based in Richmond, Virginia, USA.
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
The Verge @theverge.com Covering life in the future
Subscribe here: https://www.theverge.com/subscribe
Jimmy Kimmel @jimmykimmel.com adventurer
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
Andrew Jones @andrewjonesspace.bsky.social Freelance journalist mainly tracking Chinese space activities. Correspondent at SpaceNews, also bylines at Spacedotcom, IEEE Spectrum and more.
Angela Collier @acollierastro.bsky.social Theoretical Physicist.
(She/her/hers)
From Eastern KY.
Royal Astronomical Society @royalastrosoc.bsky.social www.ras.ac.uk
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
Prof Mike Yearworth @mikeyearworth.bsky.social Problem Structuring · Problem Formulation · Soft Systems Methodology · Practice of Operational Research · Process Thinking · Facilitation · Group Support Systems · Co-Editor-in-Chief European Journal of Operational Research · CEng
Daniel Whiteson @danielwhiteson.bsky.social Particle physics and ML (http://sites.uci.edu/daniel). Co-creator @DandKUniverse podcast and @ElinorWonders TV. Patreon: https://patreon.com/DanielWhiteson.
Garrett Reisman @astro-g-dogg.bsky.social USC Professor of Astronautical Engineering
Former NASA Astronaut
Former SpaceX Director of Space Operations
www.garrettreisman.com
One of Two Funny Astronauts
https://www.youtube.com/c/2funnyastronauts
Action Retro @actionretro.bsky.social totally normal computing enthusiast
👉 https://youtube.com/ActionRetro
BuhDan @buhdan.com Assimilate my audio & video garbage directly into your flesh with the rectangle of your choice.
Fixer of problems for @linusmediagroup.com
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
IOP Publishing @ioppublishing.bsky.social IOP Publishing is a society-owned scientific publisher, providing impact, recognition and value for the scientific community. IOP Publishing’s portfolio includes more than 90 journals.
Tube🌞Time @tubetime.bsky.social vintage computers, tubes, the MOnSter6502, cross-sectioned electronic parts, capacitors, and other detritus. coauthor of http://nostarch.com/open-circuits
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Terence Tao @teorth.bsky.social Mathematician at UCLA. My primary social media account is https://mathstodon.xyz/@tao . I also have a blog at https://terrytao.wordpress.com/ and a home page at https://www.math.ucla.edu/~tao/
Astrophysica @thephysicsjournal.substack.com Physics, Space, Quantum Computing | BTC: bc1qqu05pu3rdqjchnh37mtylrgprkk94udc3g3umj
https://thephysicsjournal.substack.com
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Carolyn Porco @carolynporco.bsky.social Voyager & Cassini! AAS Carl Sagan Medal 2010. Asteroid Porco 7231. Inaugural NatGeo Eliza Scidmore Award. Living my best life.
If you like what you see here, signup for my newsletter on Substack!
https://carolynporco.substack.com/
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Jake Tivy @jakkuh.bsky.social 
Physics World @physicsworld.bsky.social News, views and information for the global physics community. physicsworld.com
Dr. SkySkull @drskyskull.bsky.social Professor of optics, blogger of physics, history, & pulp fiction. Generally tries to keep things light-hearted, in spite of *waves hands at everything* (he/him) Blocking doomerism on sight.
blog: https://skullsinthestars.com/
@linustech.bsky.social @linustech.bsky.social techmology
Flatcar Container Linux @flatcar.org Flatcar Container Linux is the leading community-driven, container-optimized, auto-updating Linux distribution, homed in the Cloud Native Computing Foundation.
Mike Boylan-Kolchin @mbkplus.bsky.social Dad, husband, astrophysicist, dog herder. Samuel T. and Fern Yanagisawa Regents Professor in Astronomy at UT Austin. This is a personal account and the views expressed in my posts here are mine. https://mrbk.github.io
Randall Munroe @xkcd.com 
Rocket Lab @rocketlabcorp.com Official account for Rocket Lab, the end-to-end space company. We build rockets and spacecraft that open access to space to improve life on Earth.
@philhalper.bsky.social @philhalper.bsky.social 
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Daniel and Kelly's Extraordinary Universe @dandkuniverse.bsky.social Scientists Daniel and Kelly cannot stop talking about our amazing, wonderful, weird Universe! Each episode is a fun, easy-to-understand, and in-depth explanation of topics in science. Produced by iHeart. http://www.danielandkelly.org/
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
NASASpaceflight.com @nasaspaceflight.com Official Account of NSF. News, videos, and community for spaceflight enthusiasts since 2005.
NSF is not affiliated with NASA, initials used with permission.
Chris Wicklund Auroras @wickydubswx.bsky.social Meteorologist. Photographer. Sun Enthusiast. Astroguy. 🌈⛈️
SCSU 24’ MN✈️NE
Physics Today @physicstoday.aip.org The world's most popular physics magazine.
physicstoday.aip.org
Physgal ⚛️ @physgal.bsky.social University physics lecturer and Associate Dean, Learning. Physics demystifier. Supporter of girls and women in physics. CAP Teaching Medal 2018, 3MNTF 2023. She/her Ph.D.
EarthSky @earthskyscience.bsky.social Updates on your cosmos and world.
Kari Byron @karibyron.bsky.social Mythbuster, CrashTest Girl, National STEM Festival, EXPLR
Kagi HQ @kagi.com Privacy-respecting search, browser and products that put you first. No ads. No trackers. Ever. https://kagi.com/
Rachel Lense is Professionally Curious @rachellense.bsky.social Science communicator, writer, artist | She/They 🏳️🌈 | Views = mine
📃 Online Portfolio (rachellense.com)
Data Explorer @datasetexplorer.bsky.social High-quality datasets designed to spark ideas, solve problems, and drive innovation. Fresh data added all the time for your AI projects, research, or curiosity. Let’s turn raw numbers into real impact 🚀
Sky & Telescope @skyandtelescope.bsky.social The Essential Guide to Astronomy | We provide the world's leading compendium of information about the science and hobby of astronomy.
Andy Witteman - Cnlastro @cnlastro.aurora.photography 🎓Philosophy of Science (metaphysics of identity)
🎓Political Science (arctic international relations)
📸 northern lights photographer
📍Fairbanks, Alaska
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
Universe @wholethings.bsky.social Relating to the earth and space .DM for credit removal
Vincent Ledvina @vincentledvina.bsky.social 📷”The Aurora Guy”
🌌Space Physics Ph.D. student
📍North Pole, Alaska
🫂Participatory science, science comm.
🌀 Professional aurora chaser
👨💻Views my own
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.
CentOS @centos.org The Community Enterprise Operating System
System76 Blog @blog.system76.com.web.brid.gy Official System76 Blog
[bridged from https://blog.system76.com/ on the web: https://fed.brid.gy/web/blog.system76.com ]
Proton @proton.me Choose a better internet where privacy is the default. Start protecting your personal information online with Proton Mail, Proton VPN, Proton Drive, Proton Pass, Proton Wallet, and Lumo: https://proton.me/
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
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
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).
Matt @thelinuxcast.bsky.social Matt is a YouTuber. Mostly posts on mastodon. 
Orbital Policy Group @druidorbital.bsky.social Viewpoints and opinions on policy issues relating to Low Earth Orbit, including policy, science, governance, and cybersecurity.
Space Audio @spaceaudio.bsky.social Sounds from radio and plasma waves in outer space
https://space-audio.org youtube.com/@Space-Audio
Space Weather Watch @spacewxwatch.bsky.social Aurora forecasts and solar physics updates by a space weather physicist working at NASA. Opinions may not represent official gov’t forecasts.
https://linktr.ee/spacewxwatch
SnowPI @snowpi.bsky.social Investigating Polar Climate Change
Funded by the European Union.
Website: https://snowpi.eu/
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…