Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
✉️ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
John Debes @johndebes.bsky.social ESA/AURA astronomer at STScI. Opinions my own. I study exoplanets and disks around stars.
James Talarico @jamestalarico.bsky.social Texas State Representative, former middle school teacher, and Presbyterian seminarian running for the U.S. Senate to take power back for working people.
Representative Rick Larsen @repricklarsen.bsky.social Official account of Rep. Rick Larsen (WA-02). Born and raised in Arlington, WA. Representing WA’s beautiful Second Congressional District. Lead Democrat, @transportdems.bsky.social.
https://linktr.ee/repricklarsen
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Thayne Currie 🇺🇦 @astrothayne.bsky.social Astrophysicist at Subaru Telescope/U. Texas. Exoplanets, Direct Imaging. Empiricist. Likes scientific rigor. Fan of his golden retriever and peer review.
https://subarutelescope.org/staff/currie/
Richard Alexander @richardalexander.bsky.social Astrophysicist at the University of Leicester | Dad | Cyclist | Exiled Scot
https://rdalexander.github.io
Shashank Dholakia @astroshashank.bsky.social Astrophysics PhD candidate at University of Queensland | UC Berkeley '21 | Exoplanets and Stars | @astrosoundbites.bsky.social co-host | Astrophotographer
shashankdholakia.github.io
Julie Packard @juliepackard.montereybayaquarium.org Trustee, Monterey Bay Aquarium. Chair, Monterey Bay Aquarium Research Institute board. Vice chair, David and Lucile Packard Foundation board. she/her www.MontereyBayAquarium.org
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
Sabina Sagynbayeva @sabinastro.bsky.social (astro)Physics PhD. Astrobites alum. From Kazakhstan 🇰🇿. She/her.
Musical theater nerd, so pretty much insufferable.
Statistics, planets, and stellar cartography.
https://ssagynbayeva.github.io
Misty Bentz @astronomisty.bsky.social Astronomer and Professor at Georgia State University. She/Her. Big fan of black holes, cats, and cross-stitch. Seestar smart telescope enthusiast. Novice gardener with a penchant for native plants.
CA High-Speed Rail 🚄💨 @cahsra.bsky.social 🏗 Building the US’s first 200+mph; 100% renewably powered #HSR
📍 SF↔️Central Valley↔️LA, 500+ miles, under 3⃣ hours
⚡️ & decarbonize transportation #BuildHSR
Jimmy Kimmel @jimmykimmel.com adventurer
David W Hogg @hogg.bsky.social Astronomer, physicist, statistician, data analyst, open scientist. (Totally not at all the other David Hogg). I live on Lenape land.
Gov. Bob Ferguson @governorferguson.bsky.social Governor of the State of Washington
Governor Gavin Newsom @governor.ca.gov 40th Governor of California.
Building a California for All.
Gavin Newsom @gavinnewsom.bsky.social Husband and father. 40th Governor of California. Former Lt. Governor of California. Former San Francisco Mayor. Personal account.
Dave Meredith @davemeredith.bsky.social A photographer since the mid-1970s being published since the early 1980s. I was born and grew up in the UK. Canada has been my home since the 1990s.
Event Horizon Telescope @ehtelescope.bsky.social We are the Event Horizon Telescope: a global collaboration that captured the first-ever image of a black hole using a virtual Earth-sized telescope.
Instagram, Facebook, Twitter, Mastodon: ehtelescope
eventhorizontelescope.org
Sera Markoff @profsera.bsky.social Plumian Prof in Astro @U Cambridge & Prof Astro-/Particle Physics @U Amsterdam. All things black hole, member: Event Horizon Telescope, Africa Millimeter Telescope, CTAO. Space, sci-fi, cats, music, valve amps, other unabashed geekery. www.seramarkoff.com
Jonathan Haidt @jonathanhaidt.bsky.social Social psychologist at NYU-Stern, working to roll back the phone-based childhood. Please visit anxiousgeneration.com & afterbabel.com 
LIGO Magazine @ligomagazine.bsky.social The LIGO Magazine is published twice a year by the LIGO Scientific Collaboration (@ligo.org). Read free online for gravitational-wave news, stories behind the science and more!
www.ligo.org/magazine
JuliaAstro @juliaastro.org Official astronomy organization of @julialang.org
Web / Docs: juliaastro.org
Source: github.com/JuliaAstro
Email: astro [at] julialang.org
Sean Raymond (planetplanet.net) @planetplanet.bsky.social Building crazy planetary systems on my blog planetplanet.net. Solar System formation. Exoplanets. Free-floating planets and interstellar objects. Astronomy poem book: http://amzn.to/3muytqo He/him.
Al Yankovic @alyankovic.bsky.social You know... the weird one.
Dr. Ana Glidden @ana-glidden.bsky.social Postdoc @ MIT EAPS • Exoplanet Atmospheres • Habitability • Planet-Star Modeling
Josh Johnson @joshjohnsoncomedy.bsky.social Correspondent on the Daily Show. Standup Comic & Emmy-nominated writer. Listen to the Josh Johnson Show podcast on Spotify + Apple
https://linktr.ee/joshjohnsoncomedy
Saganism @sagan.bsky.social Science. Philosophy. The cosmic perspective.
Exoplanet Courier @exocourier.bsky.social 🤖 I deliver recent arXiv/astro-ph.EP articles to Bluesky. I am maintained by @astronasko.com.
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
Trevor A. Branch @trevorabranch.bsky.social Professor at Univ of Washington @uwsafs.bsky.social I run models and synthesize data, love R graphics, and do research on the status of marine fisheries, fishing quotas, and blue whales @bluewhalenews.bsky.social
Blue whale news @bluewhalenews.bsky.social Summaries of all of the latest science on blue whales.
'Antarctic blue whale' rearranged is 'Let Branch wail at cue'.
Posts by Prof @TrevorABranch.bsky.social
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
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
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.com/
Uncle Duke @uncleduke1969.bsky.social Does this look infected?
Just My Nonsense:
https://bsky.app/profile/did:plc:2cz6x3e7thlqjc5cxa2hnbsn/feed/aaab3yqtmpox2
My Least Worst:
https://bsky.app/profile/did:plc:2cz6x3e7thlqjc5cxa2hnbsn/feed/aaadpxkw36ag6
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
Jake VanderPlas @jakevdp.bsky.social Write code. Mostly Python.
Antigona Segura @antisegura.bsky.social Astrobióloga, Universidad Nacional Autónoma de México
Tom Wagg @tomwagg.bsky.social Astro PhD student at UW | Harvard '20 | I love binary stars, galactic dynamics, gravitational waves (LISA!) and writing open-source tools | 🏑 field hockey & 🧗 rock climbing outside of astro
tomwagg.com - https://github.com/TomWagg/
Tom Greene @tom-greene.bsky.social Personal account and opinions. Executive Director of IPAC and Research Professor at Caltech. Astronomer studying young stars, exoplanets, space missions, and instrumentation.
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)
Dr. Dawn Wright @deepseadawn.bsky.social Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Senator Chris Van Hollen @vanhollen.senate.gov U.S. Senator for Maryland
vanhollen.senate.gov
Kurt Eichenwald @kurteichenwald.bsky.social New York Times bestselling author, former senior writer at New York Times and Newsweek (when it was good)
Jim Musil Painter @jimmusilpainter.bsky.social Modern Landscape Painter
JimMusil.com
Sarah E Moran @offallingstars.bsky.social she/her.
(Exo)planetary clouds/hazes in 👩🏽🔬,💻,🔭
Lover of all worlds, great and small. 🌎🪐
Assistant Professor of Astronomy at UMD.
All opinions just me.
Always screaming inside my heart.
https://tx.ag/moran
Melissa & Chris Bruntlett @modacitylife.com Dutch-Canadian authors and urban mobility advocates who strive to communicate the benefits of happier, healthier, more human-scale cities.
Astro Plot of the Week @plotastro.bsky.social Under new management
Submit entry by tagging @PlotAstro.bsky.social
Senator Chris Larson @senchrislarson.bsky.social Wisconsin State Senator - Milwaukee and South Suburbs. https://linktr.ee/senchrislarson
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
Richard Branson @richardbranson.bsky.social Screw it, let's do it.
Proof it's the real me: https://www.linkedin.com/posts/rbranson_richard-branson-richardbransonbskysocial-activity-7267516793689124864--I14
Here's my blog: https://www.virgin.com/branson-
Laura Flagg @lauraflagg.bsky.social Astronomy postdoc at Johns Hopkins studying planet formation, stars, exoplanets, and disks | a cat person who also loves dogs | https://lauraflagg.github.io/
John Cusack @johncusack.bsky.social Apocalyptic shit disturber elephant trainer -
This is the only account . 👈 If I share something it doesn’t necessarily mean I agree
Founding board member
@Freedom.press please follow https://linktr.ee/freedomofpress
@johncusack on twiiter
Hope Jahren @realhopejahren.bsky.social The scientist formerly known as Lab Girl.
I write books: https://www.penguinrandomhouse.com/authors/2111914/hope-jahren/
American Physical Society @apsphysics.aps.org Fostering a vibrant, inclusive, and global community dedicated to science and society. Join us: http://go.aps.org/2NWWEeY
Euclid Consortium @ec-euclid.bsky.social Official Consortium of ESA's Euclid mission on the Universe's dark matter, energy & expansion, 15 European countries + USA + CAN + JAP, 2000+ scientists + engineers. Home: https://euclid-ec.org
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/
Stephen Kane @exocytherean.bsky.social Planetary Astrophysicist at the University of California, Riverside. I like Venus. A lot. Exoplanets are also kinda cool.
JuliaHub @juliahub.bsky.social A single platform for modeling, simulation, and custom applications. JuliaHub's supercomputing infrastructure powers breakthroughs with multi-threading, parallel, and distributed computing.
@steinly0.bsky.social @steinly0.bsky.social Astro Physicist. Scientific Director @arXiv
Planets, Stars, Black Holes & Stuff. Whole Universes, If Needed.
Dynamics of Cats; To Say Nothing of The Dog.
Fraser Cain @fcain.universetoday.com Space journalist and skywatcher. I'm the publisher of Universe Today (universetoday.com) and co-host of Astronomy Cast (astronomycast.com). YouTube: https://www.youtube.com/@frasercain
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
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
The Astrosky Ecosystem @astrosky.eco We're building new social media tools for astronomers and astronomy enthusiasts online - from feeds to account hosting.
Website: https://astrosky.eco | GitHub: https://github.com/the-astrosky-ecosystem
Account managed by @emily.space
Point Defiance Zoo & Aquarium @ptdefiancezoo.bsky.social The only combined zoo and aquarium in the Pacific Northwest.
@nbatalha.bsky.social @nbatalha.bsky.social 
Mario Livio @mariolivio.bsky.social Astrophysicist
Author: The Golden Ratio; Brilliant Blunders; Galileo and the Science Deniers;
🌏 Is Earth Exceptional w/ Jack Szostak, OUT NOW 🌍
🔭 Formerly with Hubble Space Telescope for 24 years
Jason Rowe @jasonfrowe.bsky.social Astrophysicist and Professor. Bishop’s University. Canada Research Chair in Exoplanet Astrophysics. PI for Canada’s POET mission. poetmission.ca
Tad Komacek @tadkomacek.bsky.social Associate Professor of Physics of Exoplanet Atmospheres in the Atmospheric, Oceanic, and Planetary Physics sub-Department of the Department of Physics and Tutorial Fellow of Somerville College at the University of Oxford, UK. 
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
Fishbourne Roman Palace @romanpalace.bsky.social Romans, Archaeology, Museums, Typos.
We're not a villa and we don't do Latin.
René Heller @drreneheller.bsky.social Team Lead Research & Development, PLATO Mission of ESA 🚀, Max Planck Institute for Solar System Research | Lecturer for astrophysics, University of Göttingen
ExoClimesVII @exoclimes.bsky.social Official account for #ExoclimesVII on July 7-11th 2025 in Montréal, Canada! The ExoSLAM summer school aimed at early career researchers will take place July 3-5
Dr. Susan E. Mullally @mustaric.bsky.social Astronomer -- Baltimore -- Exoplanets -- Mother -- Choir -- Games
Posts my own.
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
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
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
Peter Edmonds @peterdedmonds.bsky.social Australian-American husband, father, professional nerd, astronomy communicator, dog spoiler, cricket fan. Opinions mine. He/him. 
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Dr. Clarissa R. Do Ó @astroclary.bsky.social b. thomas soifer (exp) postdoctoral fellow @ caltech astro | ucsb and ucsd alum | coffee, ⛸ , Star Wars
clarissardoo.github.io
Kimberly Cartier @astrokimcartier.bsky.social Senior Science Reporter for @eos.org at the American Geophysical Union, former astronomer who still loves all things space. Posts reflect my own views. Signal: kstar.20 She/her 🏳️🌈✡️
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Mark Cuban @mcuban.bsky.social Entrepreneur
Costplusdrugs.com
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)
Josh Lothringer @jlothringer.bsky.social Assistant Astronomer at @spacetelescope.bsky.social researching exoplanet and brown dwarf atmospheres. Opinions expressed are my own.
https://jlothringer.github.io/
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
Dr. Casey Brinkman 🪐 @spaceycaseylynn.bsky.social PhD in Astronomy from University of Hawai'i. Free Palestine 🇵🇸 She/Her
Martin Turbet @martinturbet.bsky.social CNRS scientist 🇫🇷 working at LMD/LAB/IPSL/Sorbonne Univ./Bordeaux Univ. 50% astrophysicist, 50% climate physicist. Planets and Exoplanets. Born at ~355ppm of CO2.
Randall Munroe @xkcd.com 
Hugh Osborn @exohugh.bsky.social I find exoplanets.
William Thompson @wrtastro.bsky.social Herzberg Instrument Science Fellow at the National Research Council in Victoria, Canada. Imaging exoplanets and writing #JuliaLang tools.
Chad Scherrer @cscherrer.bsky.social Doing Bayesian stuff in #rustlang and #julialang. Seattle
Makie.jl @makie.org Makie.jl is a plotting library for Julia. Follow this account to view updates & outstanding examples! https://github.com/JuliaPlots/Makie.jl
Chris Rackauckas @chrisrackauckas.bsky.social Lead dev of SciML org, VP of Modeling and Simulation @JuliaHub, Director of Scientific Research @PumasAI, and Research Staff
@mit_csail. #julialang #sciml
Doug Caldwell @dacmess.bsky.social Astronomer at the SETI Institute <> Exoplanets <> Data-Instrument interfaces <> dogs, cats, horses <> slow trail runner <> banjo?? <> he/him/his
Madyson Barber @madysonbarber.bsky.social phd student at unc chapel hill playing hide-and-seek with baby exoplanets
she/her | madysonb.github.io
@ellieinspace.bsky.social @ellieinspace.bsky.social 
Institute of Astronomy, Cambridge @cambridgeastro.bsky.social News, public events, and research highlights from the Institute of Astronomy at the University of Cambridge
https://www.ast.cam.ac.uk/