Free Software Foundation @fsf.org Fighting for essential rights and freedoms for computer users since 1985. https://fsf.org
Heather Cox Richardson (TDPR) @hcrichardson.bsky.social Historian. Author. Professor. Budding Curmudgeon. I study the contrast between image and reality in America, especially in politics.
Marius Hosting – Trustworthy expert guide to your Synology and … @mariushosting.com.web.brid.gy Step by step guide to your Synology and UGREEN NAS. Trustworthy expert guide to your Synology and UGREEN NAS.
🌉 bridged from 🌐 https://mariushosting.com/: https://fed.brid.gy/web/mariushosting.com
Vanessa G. @my78centsworth.bsky.social Just a girl, standing in front of an alien, asking it to abduct her. 💙👽🛸 Stand with #Ukraine #ResistTyrany #VoteBlue 🌊 GenX #Resister 🔛
Thinking out loud at my78centsworth.com
Angela @j-beanz.bsky.social Democratic supporter. Dog mom. Fed up with the impact of Trump's policies on our people. I love my blue state.
Enrique Arribas-Garde @garde24.bsky.social Theoretical physicist researching radiofrequency electromagnetic fields and exposure (RF-EMF). Fascinated by magnets since childhood. Físico teórico investigando la exposición a campos electromagnéticos de radiofrecuencia. Amante de los imanes desde niño.
PhD in dad jokes @scottw1975.bsky.social About to tip over because I lean so far to the left.
Also, keep your sales/investments to yourself. I'm not interested in advance. I block anyone who is uncool in my DM's. Memphis, Memphis, Memphis.....
Deep Sky Detail (Mark) @deepskydetail.bsky.social Plays an amateur astronomer on YouTube.
Has fun with astronomy in real life.
Trained in cognitive science.
Also likes other things!
https://www.youtube.com/@deepskydetail
Astronomer Royal for Scotland | Catherine Heymans @astroroyalscot.bsky.social Astronomer Royal for Scotland, Professor of Astrophysics, Edinburgh University. Author of How to Design a Universe. @astronomerroyal on insta (She/her)
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
Lyndie Chiou @lyndie.bsky.social Science writer | Scientific American | New Scientist | NYTimes | Quanta Magazine | #Black
Stories on physics, math, astronomy! Also plays trombone.
JBGarrity Photography @joegarrity.bsky.social I enjoy taking photos and sharing them, mostly of nature. All genres from astro, landscape, macro, marine life, wildlife, insects, flowers, etc.
Tori Lynn 🏳️⚧️ @celestial-tori.bsky.social She/her | 27 | En/Fr |
Amateur astrophotographer and astronomy enthusiast. Trans cutie.
🔞 NSFW profile: @victorias-sins.bsky.social
Elizabeth Spiers @espiers.bsky.social NYT opinion writer, Slate Money co-host, Dem messaging consultant, former EIC The New York Observer, Dealbreaker founder and Gawker founding editor. Brooklyn via Bama. Rednexican. Striver with no chill.
https://linktr.ee/elizabethspiers
Thomas Hanrath @astrocamp.bsky.social Tiredness is temporary - Astrophotos are forever. https://astrocamp.eu/en
AstroArxiv @astroarxiv.bsky.social 
Kavli Institute for Theoretical Physics @kitp-ucsb.bsky.social At KITP on the UC Santa Barbara campus, researchers in theoretical physics and allied fields collaborate on questions at the leading edges of science.
www.kitp.ucsb.edu
Peter Gabriel @itspetergabriel.bsky.social 'Looking For The Happy' is out now.
Go4Know @go4know.com 🔥 Blog by Dariusz Majgier. AI, fun facts, science & brilliant ideas:
👉 https://patreon.com/go4know
🔥 Get prompts, art styles & tutorials. Learn how to create ChatGPT & Midjourney images!
👉 Join me: https://patreon.com/ai_art_tutorials
Blue Dot in Red State @bluedotin.bsky.social Retired; the blue dot in red state; midwest, volunteering & mentoring undergrads, grads, alums; Indiana Fever Fan. BS, PhD in engineering, MBA in strategy, fifty years employed in automotive electronics; Love Baroque music. Love travel, 2 kids, 7 grands.
NPR @npr.org This is NPR 🎙️
John C. Baez @johncarlosbaez.bsky.social Mathematical physicist
Rebecca Kyer (they/them) @astrobonk.bsky.social astro phd candidate | binary millisecond pulsars | michigan state university | rkyer.github.io
Only In Boston @onlyinbos.bsky.social Informational. Genuine. Local. Versatile.
Nature Astronomy @natastron.nature.com A Nature journal dedicated to presenting the very best research across the disciplines of astronomy, astrophysics, cosmology and planetary science.📡
www.nature.com/natastron
Emily Liu @emilyliu.me this bio is left as an exercise to the reader
🌱 emilyliu.me
Clare O'Brien @clareobrien.bsky.social Writer. Retired music industry person.
2025 Poet in Residence, Inverewe Garden, Scotland.
Poetry chapbooks 'Breathing Out Becomes White And Snowfall' & 'Who Am I Supposed To Be Driving?' & novelette 'Airloc' out now.
Links: clarevobrien.weebly.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
Johanna Joyce @johannajoyce.bsky.social Professor, University of Lausanne 🇨🇭 and Ludwig Institute for Cancer Research
President, European Association for Cancer Research
Mentor, Teacher, Advocate, Mum
@joycelab.bsky.social
Emma Evans @trance.bsky.social Professional Dominatrix and erotic hypnotic Mistress
Making the world a little better, one orgasm at a time
She/Her
https://cash.app/$MistressEmma
NiteFlirt.com/Trance
NOAA @handle.invalid 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.
Josh Kantor @jtkantor.bsky.social Organist for Boston Red Sox games at Fenway Park. I also do a bunch of other music stuff.
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
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
Prof Katherine Schofield 🇬🇧🇦🇺🇪🇺 @katherineschof8.bsky.social Historian: Mughal & colonial India and Hindustani music, FRAS FRHistS. Head of Music @ KCL. Musicians at risk 🇦🇫 Act justly, love mercy, walk humbly (work in progress). Whippet owner. Immigrant. https://www.kcl.ac.uk/people/katherine-butler-schofield
Epiphany @epiphanyappleseed.bsky.social I do moons :🌙 #astrophotographer #astrophysics #astronomy #photography
The Bulwark @thebulwark.com Political analysis and reporting free of tribal prejudices. Sign up for our newsletters here: https://thebulwark.com/subscribe
Amy Rae Hill @amyraehill.bsky.social Ceramic painter bringing dramatic galactic moments to your dinner table. PNW. (she/her)
linktr.ee/amyraehill
Restock: TBD
Christine Slaughter @cslaughter.bsky.social Soc sci librarian at UVA, forever-ABD in sociology
Saganism @sagan.bsky.social Science. Philosophy. The cosmic perspective.
Tiago Peixoto @tiago.skewed.de Statistical mechanic, secular Bayesian.
Prof. of Complex Systems and Network Science @ Goethe University Frankfurt
Head of the “Inverse Complexity Lab”.
@invcomplexity.skewed.de
https://skewed.de/lab
(Personal account)
Basti Kusch @bastikusch.bsky.social PhD candidate @goetheuni.bsky.social
Complex Systems/Network Science
@invcomplexity.skewed.de,
Center for Critical Computational Studies
Thomas Robiglio @thomrobiglio.bsky.social Cyclist/PhD @invcomplexity.skewed.de
Complex systems & networks.
thomasrobiglio.github.io
Sina Sajjadi @sepante.bsky.social 
Bukyoung Jhun @bukyoungjhun.bsky.social Statistical Physicist
Center for Critical Computational Studies, Goethe University Frankfurt
@invcomplexity.skewed.de
PhD in Physics from Seoul National University
https://bukyoungjhun.github.io/
Max Falkenberg @maxfalken.bsky.social Computational Social Scientist. Interested in the structures of polarization.
Associate Professor, King's College London.
maxfalkenberg.com
Interdisciplinary Transformation University (IT:U) @ituaustria.bsky.social Located in Austria
Official Bluesky Account of IT:U
https://it-u.at/en/
Inverse Complexity Lab @invcomplexity.skewed.de Research group @ Center for Critical Computational Studies (C³S), Goethe University Frankfurt, focusing on inverse problems in network science and complex systems.
https://skewed.de/lab
Led by Tiago Peixoto (@tiago.skewed.de).
HiRISE Beautiful Mars (NASA) @uahirise.bsky.social Images from the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (NASA). We are based out of the Lunar and Planetary Laboratory at the University of Arizona in Tucson, AZ. https://uahirise.org
Miriam Posner @miriamposner.com Tired person, fighter. Labor, data, DH, obsolete software, database history, etc. Seeing Like a Supply Chain out Oct 2026: https://yalebooks.yale.edu/book/9780300251449/seeing-like-a-supply-chain/. Speaking for myself, not my employer.
Museum of Science @museumofscience.bsky.social Inspiring a lifelong love of science in everyone - in museums, classrooms and online. We believe in a world where science belongs to everyone.
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
ESA Operations @operations.esa.int From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
Cosgrove's Cosmos @cosgrovescosmos.bsky.social Passionate Astrophotographer, sharing my images & their stories. Sharing what works for me for those just learning. Website w/ images, gear, tips & techniques!
Bria LaVorgna @chaosbria.com she/her 🏳️🌈 | Nerdy, mixed race Asian writer who lifts weights | Cosplayer & Seamstress
Bylines: Star Wars, Marvel Comics, The She Series Book
The OG Inferno Squad and Doctor Aphra fan. Chief Bellara Romancer of the Dragon Age Community Council. 💙🦁
Ayanna Pressley @ayannapressley.bsky.social Your Congresswoman. Proudly representing the MA 7th. Here to break concrete ceilings & shake the table. Personal account. She/hers. #ChangeCantWait
Wikipedia @wikipedia.org Maybe the real treasure was the citations we made along the way.
donate.wikipedia25.org
Dr Shanika Galaudage @astronerdika.bsky.social Diary of a space detective (astrophysicist)🕵️
Postdoc at CIERA + Adler Planetarium
Just going with that Universe flow ✨
🇦🇺 -> 🇫🇷 -> 🇺🇸
linktr.ee/astronerdika | 🇦🇺🇱🇰 (she/her)
Carl Sagan Institute @carlsaganinstitute.bsky.social Interdisciplinary research team at Cornell University, following Carl Sagan's legacy by building the tools to find life in the Universe.
https://carlsaganinstitute.cornell.edu/
Space Weather Watch @spacewxwatch.bsky.social Space weather physicist sharing northern lights forecasts and solar physics updates. Local forecasts for your area: https://auroraforecasttonight.com
Dylan O’Donnell @dylanodonnell.bsky.social (M IT, GC Astronomy) Art, science, music & tech - Byron Bay 🇦🇺 Team Celestron. Host of StarStuff on YouTube - Public Domain AP. Probably alcoholic. ByronBayObservatory.com.au
Jess O'Thomson @jessothomson.co.uk Legal researcher, writer, journalist | Trans Rights Lead @ Good Law Project | PhD student @ University of Leeds
Views my own. Not your lawyer; not legal advice.
They/them
hello@jessothomson.co.uk
Bibiana Prinoth @bibianaprinoth.ch 🇨🇭
• ESO fellow @eso.org exploring exoplanet atmospheres 🪐 🔭 🇩🇪
• PhD from Lund Observatory 🇸🇪 & ESO 🇨🇱
• passionate about all things outreach and science communication ✨
Jason Moore @moorejh.bsky.social Chair, Department of Computational Biomedicine at Cedars-Sinai Medical Center in Los Angeles. Director, Center for Artificial AI Research & Education. Agentic AI. Atari enthusiast. Retrocomputing. Maker.
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
Amiko Kelly @amikokelly.bsky.social Blue skies by day, stars by night
Formerly NASA | Married to @stationcdrkelly.bsky.social | Recovering Texan | Gardener | Home Chef | Pot Stirrer | Meatballs, family and justice keep me grounded.
📍Roxborough Park, Colorado
https://substack.com/@amikokelly
Andy Casely @deep-twilight.bsky.social Planetary imager for fun, earth extreme weather for work, I like trail running, wild places, cool images, relaxing with cricket. Blue Mtns 🇦🇺
🪐 APOTY shortlist x6 (2019 planets win)
☀️ Malin awards wins 2021, 2024 (x2)
🚀 APOD x2
Emily Carter @emilycurates.bsky.social Social Media Enthusiast 🦋
Exploring the world through trends, culture, science and technology.
@sciencefocus.bsky.social @sciencefocus.bsky.social 
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.
ACLU @aclu.org A nonprofit, nonpartisan, legal and advocacy 501(c)(4) organization. Visit our site for more about us and our affiliated organization, the ACLU Foundation.
Margot Smit @likeyoda1.bsky.social Emmy Noether/Junior Group Leader at ZMBP Tübingen 🌱 plant development | cell identity | gene regulation | time | embryogenesis 🎨 amateur printmaker | linocut
eileen chengyin chow @chowleen.bsky.social @chowleen most elsewhere; my old tweets reappear here at odd times.
Duke prof, APSI Dir+DGS, Duke Story Lab founder. DUP Sinotheory, LAReviewOfBooks board. Shewo Institute 舍我紀念館 Director, Biographical Lit 傳記文學 publisher
周成蔭 #everynightapoem
Astronomy 🔭 @astronomy.bsky.social Facts, Information, and Images related to Space and Astronomy.
Copyright with respective people and organizations shared for educational purposes.
Spacerocks&Stardust🇨🇦 @srs-astro.bsky.social Canadian astrophotographer. Imaging/Observing group coordinator RASC YXE. All images I post are my own, most taken from my Bortle 8 inner city driveway. Come explore the beauty of our Universe with me!✨🔭 Clear skies!
-Nick Larsen
Marcus Lower @astromelow.bsky.social Astrophysicist | ARC DECRA Fellow at Swinburne | Timing pulsars & magnetars | Coffee enthusiast
Website: https://mlower.github.io
Karen Douglas 🇨🇦 @karenbdc.bsky.social Hoping for 🎶nothing but blue skies from now on🎶
I post boring bits of my life & anything I find interesting.
If you followed me from the old place because of hockey; don't bother. I stopped watching hockey a few years ago.
Pronouns: she /her
Claire Lamman @clairelamman.bsky.social NSF postdoc at Ohio State, expert in cosmology and procrastibaking
ClaireLamman.com
DESI Survey @desisurvey.bsky.social The DESI Survey will measure the properties of Dark Energy using a survey of 30+ million galaxy redshifts.
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Our Lady of Perpetual Disappointment @rkfatheree.bsky.social I’m a little much for most people. You* can read/reply to my posts without following. This is the only caution you will receive.
Née Half-Blind Trust/Grandma’s High Again.
Please no DMs.
https://5calls.org/
*not all
Domina Nostra Perpetuae Desperationis
Rose 🌹 @rose.bsky.team COO of Bluesky 🦋 - hiring https://bsky.social/about/join!
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
American Association for the Advancement of Science @aaas.org Advancing science, serving society.
One of the world’s largest general scientific societies and publisher of @science.org
HPS @ AAAS @hps-aaas.bsky.social Account for the American Association for the Advancement of Science, Section L - History & Philosophy of Science:
https://www.aaas.org/sections/history-and-philosophy-science-l
Posts by AAAS-Section L Executive Committee Member @AlisaBokulich.bsky.social
Will Lockett @lockettwill.bsky.social Just a chaotic autistic man looking for meaning in the world
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.
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
Dan Falk @danfalk.bsky.social Hi! I write about #science for Smithsonian, Discover, Quanta, Nautilus, Undark, National Geographic, CBC Radio, & many other outlets. Books include The Science of Shakespeare and In Search of Time. Co-host of BookLab podcast. 🔭🪐⭐️⚛️
Astrophysica @thephysicsjournal.substack.com Physics, Space, Quantum Computing | BTC: bc1qqu05pu3rdqjchnh37mtylrgprkk94udc3g3umj
https://thephysicsjournal.substack.com
Christoph Fischer Photography @beautysurroundsyou.com 100% Human. Passionate Nature photographer. I run premier, small group photo tours in Patagonia, Namibia, Canada, Greenland & New Zealand.
Website: https://beautysurroundsyou.com
The world is full of beauty. Let me take you there!
Montreal, Canada 🍁
Lady Emily ☄️ @ladyemily.nebula.tv video essay person and writer and what not, idk I mainly just post about my hyperfixations
http://youtube.com/ladyemilypresents
Rep. Ilhan Omar @repilhan.bsky.social Representing Minnesota's 5th District in the People's House.
US Progressives Deputy Chair.
Account managed by staff.
Martin Hajovsky @martinhajovsky.bsky.social Family, sports, science and sci fi in some order or another. Same name on all social media and in real life. “Shared pain is lessened, while shared joy is increased.” — Spider Robinson