ESA Technology @technology.esa.int Follow the latest news, developments and new technologies from the European Space Agency's R&D Directorate
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Rubin LSST:UK @lsstuk.bsky.social The UK contribution to the NSF-DOE Vera C. Rubin Observatory @vrubinobs.bsky.social Legacy Survey of Space and Time (LSST). https://www.rubin.ac.uk/
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
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Ethan Siegel @startswithabang.bsky.social Cosmologist, science communicator, author, speaker, and longtime writer of Starts With A Bang.
Not the next Carl Sagan; the first Ethan Siegel.
Peter Edmonds @peterdedmonds.bsky.social Australian-American husband, father, professional nerd, astronomy communicator, dog spoiler, cricket fan. Opinions mine. He/him. 
Keck Institute for Space Studies @kiss-caltech.bsky.social KISS brings together scientists and engineers from @caltech.edu, NASA's Jet Propulsion Laboratory, and beyond to develop innovative new space science missions and technologies.
https://kiss.caltech.edu/
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/
★ govert schilling @govertschilling.nl astronomy writer (de volkskrant, sky & telescope, sky at night magazine) ★ book author (almost 100 titles) ★ asteroid 10986 ★ amersfoort, the netherlands ★ eclipse chaser ★ atlas lover ★ partner, father, grandfather ★ www.govertschilling.nl
The Astro Society @astrosociety.org The Astro Society promotes science and literacy via resources and programs that uplift community engagement through the awe and wonder of space. Founded in 1889 as the Astronomical Society of the Pacific, we are the oldest astro society in the U.S.
Science Magazine @science.org Cutting-edge research, news, commentary, and visuals from the Science family of journals. https://www.science.org
Schmidt Sciences @schmidtsciences.bsky.social Bold science, deep and continuous collaborations.
Dr Jennifer Sieben @tardiseeker.dftba.social Astronomer | Science writer | Nerdfighter
She/her/your excellency
Matt Shipman (he/him) @shiplives.bsky.social Writer. Comms person.
Mostly sci/tech/health.
Sometimes music/food/culture.
Eagles fan.
Former cook, bouncer, (bad) server, video store clerk, life model.
Let’s make the South better, y’all.
Stuff I write for fun: https://medium.com/@shiplives
Physics Today @physicstoday.aip.org The world's most popular physics magazine.
physicstoday.aip.org
Annelia Anderson @astroannelia.bsky.social University of Alabama Astrophysics PhD candidate studying the CGM, NASA Space Grant Fellow, @astrobites.bsky.social author 
DR℮W 🪿🏳️⚧️ @giantmolecular.cloud Astrophysics PhD student; Studies star formation, stellar feedback, galaxy evolution; Astrobites author; Artist; Weirdo and also fun dude; Webmaster at https://giantmolecular.cloud; Uses they/them pronouns; Transgender;
Maggie @meverri.bsky.social Astronomer, in bed by 9 🛌🌌
Neev Shah @neevshah101.bsky.social he/him | astro PhD student @stewardobservatory.bsky.social @uarizona 🌵| @astrobites.bsky.social author | interested in massive stars ✨ binaries ⭐⭐ gravitational waves ⚫⚫ | prev undergrad @IISERPune
Niloofar Sharei @astroneal.bsky.social Small bright things in faraway galaxies
🔭🌌|Astronomy PhD Candidate @ UCR| @astrobites.bsky.social Author 💫| Plant-leaning wanderer🌿✨
Ryan White @astroryan.bsky.social Astrophysics student at Macquarie University, artist, bread obsessed. Studying cool (but actually quite hot) stars 🌟 @astrobites.bsky.social author 🪐 i have art too! @ryanwhiteartist.bsky.social 🖌️
ryanwhite1.github.io
(he/him)
shalininthestars @shalinikv.bsky.social Shalini Kurinchi-Vendhan (she/her)
⟡ Ph.D. Student in Astrophysics
⟡ @astrobites.bsky.social writer and editor
Sowkhya Shanbhog @chaotic-cosmos.bsky.social 
Veronika Dornan @dornanv.bsky.social 🔭 Post-doctoral research associate at The University of Edinburgh studying extragalactic globular star clusters (she/her)
dornanv.github.io/
Anavi Uppal @anaviuppal.bsky.social Astronomy & Astrophysics PhD student at UC Santa Cruz | Freelance science journalist
@afreeparticle.com emoji tags @afreeparticleemoji.bsky.social Work in Progress: Follow to use emoji tags on @afreeparticle.com feeds.
👩🔬|👩🏻🔬|👩🏼🔬|👩🏽🔬|👩🏾🔬|👩🏿🔬 #WomenInSTEM
🍎 #EduSky
♾️ #iTeachMath
🎢 #iTeachPhysics
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🧬 #iTeachBio
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.
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
The Deep Synoptic Array @deepsynopticarray.bsky.social The Deep Synoptic Array (DSA) will be a world-class radio survey telescope and multi-messenger discovery engine.
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.
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
Linde Center for Science, Society, & Policy at Caltech @caltechlcssp.bsky.social Linde Center for Science, Society, & Policy at Caltech | Research & debate on topics at intersection of science, society, & policy | R.M. Alvarez & F. Eberhardt
The StarXiv ✨ podcast @starxiv.bsky.social A podcast where Payel Das (@payeldas.bsky.social) and Michelle Collins (@runningastronomer.bsky.social) discuss papers from astroph
Starxiv.com
Spotify - https://shorturl.at/xdTFw
Apple - https://shorturl.at/nKFNj
RSS - https://rss.com/podcasts/starxiv
Vatican Observatory @vaticanobservatory.bsky.social The Vatican Observatory is one of the oldest active astronomical observatories in the world, with its roots going back to 1582 and the Gregorian reform of the calendar.
The Vatican Observatory stands at the forefront of scientific research.
Astrobot @bot.astronomy.blue Hi! I'm a friendly bot that manages sign-ups to the Astronomy feeds.
You can sign up to the feeds with "@bot.astronomy.blue signup".
I can also tell some bad jokes 😇
Managed by @emily.space.
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
European Space Agency @esa.int Elevating the future of Europe through space.
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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
Brigitta Sipőcz @bsipocz.bsky.social Open-source scientific software developer and maintainer, astronomer. Works at Caltech/IPAC; SSI and BSSw Fellow.
Weekend warrior skier and lover of mountains.
@gordonsquires.bsky.social @gordonsquires.bsky.social 
Vivian U @justtheletteru.bsky.social Associate Scientist at Caltech/IPAC studying black holes and galaxy mergers with a nerdy sense of humor. Roman Proposal Lead. < 15 minutes of fame from PBS NOVA showcasing JWST science. TEDxMB 2024 speaker. Views are my own.
🌐 https://vivian-u.github.io/
Laurie Leshin @laurieofmars.bsky.social Space nerd, rock nerd, ed nerd, dog nerd, fiber nerd
Lunar Trailblazer @lunartrailblazer.bsky.social Lunar Trailblazer is a NASA SIMPLEx small satellite mission launching in February 2025. It will create maps of water on the Moon, helping guide future exploration.
Science and operations led from Caltech. This is not an official NASA account.
Hugh Osborn @exohugh.bsky.social I find exoplanets.
Exocast: The Exoplanet Podcast @exocast.bsky.social Exocast is the premiere exoplanet podcast hosted by Hannah Wakeford, Andrew Rushby, and Hugh Osborn. Discussions, interviews, news and exclusives find more at exocast.org
PRIMA probe @prima-probe.bsky.social PRIMA is a far-IR probe concept for the 2030s that will reveal how abundant elements are built up in galaxies over cosmic time, and follow them as they become the molecular building blocks of new planets! https://prima.ipac.caltech.edu/
Center for Gravitational Waves and Cosmology @gwacwvu.bsky.social We are a scientific Center with experts in observational and theoretical astrophysics, radio instrumentation, gravitational wave astrophysics, multi-messenger astronomy, fast radio bursts, cosmology, galaxy formation and pulsars. https://gwac.wvu.edu/home
CosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com Astronomer, driving The Dish📡 to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him.
Emily Lakdawalla 🏳️⚧️ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
🚀🌌👩🚀🌠🪐
🔗: https://galaxy.nora-bailey.com/linktree
sanjana! @sanjanacurtis.bsky.social big fan of stars 💻✨🦫🏳️🌈
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Dr. Raven the Science Maven @ravenscimaven.bsky.social I'm Raven Baxter, Ph.D. I'm molecular biologist and science educator who loves sharing science with the world! thesciencemaven.com
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.
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book “The Astronomers Library” about books, libraries and astronomy - three of my favourite things. Brit/US.
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
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
Yvette Cendes @whereisyvette.bsky.social Astronomer here! I’m a Hungarian-American radio astronomer, alias /r/Andromeda321 on Reddit. Assistant professor at the University of Oregon 
Nicole Gugliucci @ DRAGONCON @noisyastronomer.com Physics professor, astronomer, educator, science communicator in NH, US. Lover of dogs, spec-fic, weights, and good trouble. She/they.
Opinions my own. RTs≠endorsements. Most older posts auto-delete.
I swear a lot.
https://bio.link/noisyastronomer
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)
Saavik ‘Careful of the Ankle’ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
Dr. Lucian Walkowicz @notnotrocketscience.com Astronomer, movement artist, & educator based in Chicago 🛸 Founder, Not Not Rocket Science ✨Co-founder, the JustSpace Alliance 🚀they/them causing mayhem
notnotrocketscience.com
Dr Jan Eldridge @astro-jje.bsky.social NZ theoretical astrophysicist studying exploding binary stars. Sci-fi addict, feminist, non-binary femme. Pronouns: she/her/they. All views my own.
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
Markus Pössel @mpoessel.de Astronomy and relativity outreach (Tweets in German & English) | personal account | he/his | managing scientist @hausderastronomie.bsky.social | director @astro4edu.bsky.social |outreach @mpi-astro.bsky.social | Seestar enthusiast
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
Erin M. May, PhD @astronomay.bsky.social Staff Astronomer @ a place - Exoplanet Atmospheres. All data is good data.
Plus Knitting, Stickers, Baking, and other crafty things. Toddler mom.
Previously known as @_astronoMay on the other site.
ErinMMay.com
SiderealStickers.Etsy.com
Michelle Collins @runningastronomer.bsky.social ✨Astronomer searching for and studying the faintest galaxies in the Universe ✨co-host of the @starxiv.bsky.social podcast ✨ Enthusiastic-but-mediocre runner 🏃🏻♀️ vegan 🌱 She/her
Dr. Heloise Stevance @sydonahi.bsky.social Astrophysicist - Schmidt A.I. in Science Fellow - Oxford Uni - she/they
Sky surveys
Exploding stars
Hungry black holes
AI Literacy
Beatrice Tinsley Lecturer 2021
Caroline Herschel Prize 2024
hfstevance.com
Peter Coles 🏳️🌈 🏳️⚧️ 🇮🇪 @telescoper.bsky.social Theoretical astrophysicist specializing in the Universe and all that surrounds it. Based in Ireland. Personal account. Call me old-fashioned but I don't like fascists. He/him/his.
Blog: telescoper.blog
Dr. Timothy Pickering @tepickering.bsky.social astronomer, telescope wrangler, grizzled pythonista, bluesky boomer
James Davenport @jradavenport.com Astronomy professor in Seattle. Coffee drinking, year-round-plaid wearing, joke telling space dad. Searching for ET, caring for humans.
https://jradavenport.github.io
🔭☕️🎤
Pauline Barmby @pbarmby.bsky.social LLM-free science: https://orcid.org/0000-0003-2767-0090, fiction: https://www.galacticwords.com. Words in Year’s Best Cdn F&SF, Utopia SF, Analog, OnSpec, MNRAS, ApJ, etc. Knitter, curler, sometime runner. 🇨🇦 & minor planet 281067. She/her.
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
Prof. Carl E. Fields 💥 @carlnotsagan.github.io Computational Astrophysicist and Assistant Professor @uarizona.bsky.social & @stewardobservatory.bsky.social. #Forbes30u30, Science 2021. He/Him. carlnotsagan.github.io.
Meg Schwamb @megschwamb.bsky.social Planetary scientist & astronomer at Queen’s University Belfast: KBOs, Planet Four(Mars), exoplanets (Planet Hunters NGTS) ,LSST SSSC co-chair. Opinions posted are my own. Pronouns: she/her
Prof Anna Watts @profannawatts.bsky.social Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars, pulsars, dense matter, X-ray astronomy. Mom, Migrant. "Particles in stars blah blah". Does science with NICER on the International Space Station and schemes for EVEN BIGGER SPACE TELESCOPES.
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.
Andrew Mann @amann.bsky.social Associate professor of Physics and Astronomy at UNC Chapel Hill studying young exoplanets and stars. Dad to one human and one cat. 🏳️🌈💗💜. Carrboro Citizen. http://andrewwmann.com
All the Galaxies! @allthegalaxies.galaxyzoo.org Posting galaxies classified by the public on Galaxy Zoo, @galaxyzoo.org
Created and maintained by @davidoryan.bsky.social with backup support from @vrooje.net and @emily.space
Matthew Kenworthy @mattkenworthy.bsky.social Professor of astronomy working at Leiden Observatory in the Netherlands on the direct imaging of extrasolar planets and transits of giant ring systems || Opinions my own || Will tell Dad jokes for cash. https://kenworthy.space/
Joe Callingham @astrojoe.bsky.social Dutch-Australian | Astrophysicist | Head of the Square Kilometre Array (SKA) Science Group at ASTRON | Associate Professor at the University of Amsterdam
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 
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
Haus der Astronomie @hausderastronomie.bsky.social Zentrum für astronomische Bildungs- und Öffentlichkeitsarbeit in Heidelberg | Center for Astronomy Education and Outreach in Heidelberg, Germany. Posts in erster Linie auf Deutsch but also in English
https://www.haus-der-astronomie.de/de/impressum
Paul McMillan @mcmillan-astro.bsky.social Astrophysicist working on Milky Way dynamics and Gaia data. University of Leicester. Views expressed are my own.
Website: https://paulmcmillan-astro.github.io/
A. Suárez Mascareño @asuarezmascareno.com Hunting low mass exoplanets.
Christian Fröschlin @chrfrde.bsky.social Amateur astronomer from urban 15th floor balcony. Celestron 8" / Lunt 40 / Galileoscope. Software developer. Image processing / HALCON. Fledgling skeptic. He/him.
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
Yao-Yuan Mao @yymao.bsky.social Astrophysicist at U of Utah studying small galaxies and dark matter using astronomical surveys and simulations || teacher || programmer || 茅耀元 || they/he || 🏳️🌈 || http://yymao.github.io || https://astro-outlist.github.io
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
ASCL (Astrophysics Source Code Library) @asclnet.bsky.social Making astrophysics research source codes discoverable since 1999
editor@ascl.net
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
Thomas Carpentier @thocarp.bsky.social PhD Researcher at the EUI in Firenze, studying the history of the European Space Agency.
Processing space telescopes data for fun
28
He/him
Fun Fact Science with Kovi @funfactscience.com Astrophysics PhD candidate studying stars that go snap, crackle, and pop - communicating scientist - meme aficionado. - M Michael Zingale @michaelzingale.bsky.social computational astrophysicist
open source tool developer
professor
blower upper of stars
can recite π to 2 decimal places from memory
star wars fan
coffee aficionado
https://zingale.github.io
Prof. Joey "Barely a Footnote" Neilsen @joeyneilsen.bsky.social Black hole astrophysicist at Villanova. Formerly: MIT, Boston University, Harvard, Kenyon College | X-rays | husband | dad of 2 | cooking. He/him. Skeets are my own.