Eric Koch @eric-koch.bsky.social Astronomer | Data scientist
WomanAstro @womanastro.bsky.social 
Max Planck Institute for Solar System Research @mpsgoettingen.bsky.social Max Planck Institute for Solar System Research: Cutting edge scientific research on our Sun, the planets and their moons, asteroids and comets.
Roman for Scientists @nancyromansci.bsky.social NancyRomanSci is managed by the Roman Science Centers and provides researchers with the most up-to-date information related to doing science with NASA's Nancy Grace Roman Space Telescope
PredictionX @predictionx.bsky.social The Prediction Project, born at Harvard University creates, collects, and curates materials documenting and analyzing how humans have predicted their futures over time. Learn more at predictionx.org
Naztronomy @naztronomy.com I'm Naz! An astrophotographer from of Boston. I post astrophotos as well as videos which I create to spread the good word about space.
naztronomy.com
youtube.com/Naztronomy
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.
JFK Library Foundation @jfklibraryfdn.bsky.social Dedicated to the legacy of our nation's 35th president. We are the non-profit partner and creative collaborator of the John F. Kennedy Presidential Library and Museum, administered by the National Archives and Records Administration.
Max Planck Institute for Extraterrestrial Physics @mpe-garching.bsky.social Excellent Research in Astronomy and Astrophysics across wavelengths from (sub-)millimeter and infared all the way to X-ray and gamma-ray. Posts by Press Office.
https://www.mpe.mpg.de/impressum
Space Sciences Laboratory @ucbssl.bsky.social The UC Berkeley Space Sciences Laboratory (SSL) designs, builds and operates high-return, low-cost NASA missions. Our engineers, scientists and staff support a wide range of space and ground-based projects. 👇
https://www.ssl.berkeley.edu/
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
Black Hole Initiative @bhi-harvard.bsky.social The first worldwide center to focus on the study of black holes.
Visualising Climate @visualisingclimate.com The first global conference on how data visualisation can support understanding and decision-making on climate change.
𝗕𝗼𝗹𝗼𝗴𝗻𝗮, 𝗜𝘁𝗮𝗹𝘆
4–6 November 2026
#datavis #climate
ℹ️ visualisingclimate.com
AXIS X-ray Probe @axisprobe.bsky.social AXIS is a proposed X-ray probe that will revolutionize our understanding of the X-ray sky and how the Universe works.
NISE Network @nisenet.bsky.social The National Informal STEM Education Network (NISE Network) is a community of informal educators and scientists dedicated to supporting learning about science, technology, engineering, and math (STEM) across the United States. https://www.nisenet.org
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
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.
MIT Press @mitpress.bsky.social Committed to the daily re-imagining of what a university press can be since 1962.
Website: https://mitpress.mit.edu
The Reader (our home for excerpts, essays, & interviews): https://thereader.mitpress.mit.edu
MIT Press Direct: https://direct.mit.edu/
Harvard Radcliffe Institute @rad-institute.bsky.social Official Radcliffe Institute for Advanced Study at Harvard University, one of the world’s leading centers for interdisciplinary research and exploration.
Vatican Observatory Foundation @vofoundation.bsky.social The Vatican Observatory Foundation, founded in 1987, supports the research, educational, and outreach efforts of the Vatican Observatory.
The Vatican Observatory stands at the forefront of scientific research.
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Zooniverse @zooniverse.bsky.social The world's largest and most popular platform for people-powered research. A collaboration between the Adler Planetarium, University of Oxford, University of Minnesota-Twin Cities, and friends. Learn more and join: https://linktr.ee/the.zooniverse
Earth Science Week @earthsciweek.bsky.social The official Bluesky account for Earth Science Week.
An American Geosciences Institute (@agi-updates.bsky.social) program linking the public and Earth science. 🌎 https://www.earthsciweek.org/
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.
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
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanity’s quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
AAS Education @education.aas.org Official account of the Education Committee of the American Astronomical Society.
Supporting the mission of AAS through education initiatives, shaping strategy, supporting educators, and advancing science learning.
https://msha.ke/aas_education#info
AAS Press Office @press.aas.org Astronomy news curated by the Press Office of the American Astronomical Society. Note: Posting is not endorsing, only informing. aas.org/press Header Image: https://shorturl.at/vb7A1
Neil deGrasse Tyson @neildegrassetyson.com Astrophysicist
A. David Weigel @adavidweigel.bsky.social interactive immersive astroviz, creative scientific storytelling: I do exciting (and) space things
INTUITIVE Planetarium Director - U.S. Space & Rocket Center
Astrovizicist - WorldWide Telescope
The Harvard Plate Stacks @harvardplatestacks.bsky.social The largest collection of glass plate negatives of the night sky, preserving a century of history of the Universe that was created, studied and curated by pioneering women in science since 1880. Apart of the Center for Astrophysics | Harvard & Smithsonian
Kelsey Johnson @profkelsey.bsky.social Mother, astrophysicist, educator, writer, artist, thinker about things. Views expressed are mine. Duh. 
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
National Radio Astronomy Observatory - NSF NRAO @thenrao.bsky.social The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation. #RadioAstronomy
📡 VLA, ALMA, VLBA, GBT, ngVLA
🔗 public.nrao.edu
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
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
Royal Astronomical Society @royalastrosoc.bsky.social www.ras.ac.uk
ASCL (Astrophysics Source Code Library) @asclnet.bsky.social Making astrophysics research source codes discoverable since 1999
editor@ascl.net
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
Sloan Digital Sky Surveys @sdssurveys.bsky.social Mapping the Universe since 1998. Featuring @milkywaymapper.bsky.social, @blackholemapper.bsky.social, and @localvolumemapper.bsky.social. We'll let you know when we are done.
sdss.org
Adrian Price-Whelan @adrian.pw (he/him)
Astronomer;
Leads the Nearby Universe group at the Flatiron Institute / CCA;
Asst. Director of Scientific Software @ Simons Foundation;
Astropy;
Music;
https://adrian.pw 
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
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
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
Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning.
Also: open web developer & enthusiast, working on @astrosky.eco and more
🏳️🌈 🏳️⚧️ (she/her), Ⓥ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Astronomy Picture of the Day 🪐 @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
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
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
AAS Nova @aasnova.org Highlighting recent astronomy research from the American Astronomical Society's journals. Editors: Kerry Hensley & Susanna Kohler. Discover what's new in the universe at aasnova.org. Header image: https://bit.ly/4vPAvD
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
Harvard University @harvard.edu Official account for Harvard University. Devoted to excellence in teaching, learning, and research, and to developing leaders who make a difference globally.
IAU Office of Astronomy for Education @astro4edu.bsky.social The Office of Astronomy for Education (OAE) of the International Astronomical Union, hosted at @hausderastronomie.bsky.social
https://haus-der-astronomie.de/de/impressum
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, 🔭✝️
Comments, RTs, likes are all me and represent on one else
Alyssa Goodman @alyssagoodman.bsky.social Astronomy Professor at Harvard. Founder of glue solutions, inc. & http://path-to.org. Views are my own. 
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app