arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics @astrophco-bot.bsky.social Unofficial bot by @vele.bsky.social w/ http://github.com/so-okada/bXiv https://arxiv.org/list/astro-ph.CO/new
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Edinburgh Napier Knights @napierknights.bsky.social Edinburgh Napier Knights American Football Official. Varsity, Youth & Junior teams. BUCS Scottish/Division 2A Champions 2016, 2017, Division 1A Champions 2018, Division 1A Scottish Champions 2025
Astronomy on Tap Baton Rouge @astrotapbr.bsky.social Next show: June 24th, 2026
Time: Doors open 6:30pm, Show starts 7:00pm CST
Location: Pastime Restaurant
#AstroOnTap 🛰 in Baton Rouge, LA |
Delivering science over a glass of frothy since March 13th, 2018
Find us on socials: https://linktr.ee/astrotapbr
Astronomy on Tap - Melbourne @aotmelbourne.bsky.social Astronomy on Tap — Melbourne satellite 🇦🇺
✨Bringing the stars to local bars ✨
Next event: November 25
https://linktr.ee/aotmelbourne
Astronomy on Tap Paris @aotparis.bsky.social Bringing the Universe to your local Parisian bar 🌌✨🔭
https://astronomyontap.org/locations/paris/
Astro on Tap: Vermont @aotvermont.bsky.social 🐄 Astronomy on Tap, Vermont chapter
🪐 Space science for the public
🚀 Successfully launched 2025
⭐️ NEXT EVENT: 4/11/26 4-5pm at Four Quarters Brewing in Winooski!
Astronomy On Tap NYC @astroontapnyc.bsky.social We hold free/cheap events, usually at bars, with talks from astronomers, educators, and other interesting folks, plus games and prizes and lots of fun. Join us to drink in the universe!
Astronomy On Tap: Cork @aotcork.bsky.social Public astronomy talks and trivia in Cork City, Ireland (the true capital!)
Astronomy on Tap HQ @astronomyontap.bsky.social 🌟Scientists & educators reveal how they explore the Universe, at bars & pubs around the world!🌟HQ account, follows satellite locations, organizers, & venues🌟 astronomyontap.org
Astronomy on Tap BOS @aotboston.bsky.social Free, short talks from local astronomers with fun trivia and prizes 🏆🍺
Next event: 5:30pm July 13 at Boston Public Market https://astronomyontap.org/event/astronomy-on-tap-boston-cosmic-pitch/
Website: https://astronomyontap.org/locations/boston-ma/
Astronomy on Tap Baltimore @aot-baltimore.bsky.social 
Astro on Tap Bloomington @aotbloomington.bsky.social We are part of the national Astronomy on Tap (AoT) series in Bloomington, IN. We are run by graduate students in the IU department of Astronomy. 🔭
Space Drafts (Astronomy on Tap Tucson) @spacedrafts.bsky.social ✨ A public talk series hosted at Zerai’s International Bar with stargazing, trivia, and beer in Tucson, AZ ✨ part of the international network of @astronomyontap.bsky.social ✨
AoT Gainesville, Florida @aotgainesville.bsky.social Astronomy on Tap in Gainesville, Florida
Satpreet (Sat) Singh @satpreetsingh.bsky.social Postdoc @harvard.edu @kempnerinstitute.bsky.social
Homepage: http://satpreetsingh.github.io
Twitter: https://x.com/tweetsatpreet
Lucas Mäkinen @lucasmakinen.bsky.social https://tlmakinen.github.io/
Department of Physics at the University of Oxford @oxfordphysics.bsky.social We work to develop, nurture and promote a physics community. Visit https://linktr.ee/PhysicsOxford for events, news and to learn more about the research taking place in our Department.
Apodsky @nasapodsky.bsky.social Posting Astronomy Picture of the Day from today and other days with the corresponding official explanation from NASA and also reposting astronomy content. If you like pets, check out my brother @catdogsky.bsky.social
https://rilufi.github.io/en/apod
Marnie Chesterton @amsterdammed.bsky.social 
Hervé Aussel @herveaussel.bsky.social Astrophysicist. Euclid Ground Segment scientist. Skeets (in french or english) are mine.
NAM 2025 Durham @nam25-durham.bsky.social The 33rd @royalastrosoc.bsky.social National Astronomy Meeting is coming to @durham-university.bsky.social hosted by the CEA, CfAI, ICC, IPPP and Maths 🔭🪐 7th - 11th July 2025 ☀️ #NAM2025
https://linktr.ee/NAM_2025
Einstein Telescope @einsteintelescope.bsky.social Official profile of the Einstein Telescope. The project "Preparatory Phase for the Einstein Telescope Gravitational Wave Observatory" has received funding from the EU’s Horizon Europe INFRADEV Programme under GA No 101079696
Michael 'Misha' Rashkovetskyi @rashkovetsky.im CCAPP Postdoctoral Fellow at the Ohio State University, studying cosmology in @desisurvey.bsky.social. More info at my website: https://rashkovetsky.im
DESI Survey @desisurvey.bsky.social The DESI Survey will measure the properties of Dark Energy using a survey of 30+ million galaxy redshifts.
Agrupación Astronómica de Madrid (AAM) @aam-oficial.bsky.social Cuenta oficial de la Agrupación Astronómica de Madrid (AAM).
www.aam.org.es
Canal de YouTube: www.youtube.com/@maaorg75
Milton Keynes Astronomical Society @mkastronomy.bsky.social Your local astronomy club in Milton Keynes. Also an educational charity. Our mission: To spread the interest and enjoyment of astronomy to people of all ages.
Meets fortnightly at Rectory Cottages, Church Green Road, Bletchley, MK3 6BJ
www.mkas.org.uk
astrosocaus.bsky.social @astrosocaus.bsky.social The Astronomical Society of Australia is an organisation whose members contribute to the advancement of Australian astronomy and related sciences.
SF2A @sf2a.bsky.social Compte officiel de la Société Française d'Astronomie et d'Astrophysique
Mount Wilson Observatory @mtwilsonobs.bsky.social Where we discovered our place in the universe.
www.mtwilson.edu
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.
Burke-Gaffney Observatory @bgo.observatory.social.ap.brid.gy The robotic Burke-Gaffney Observatory with its Ralph Medjuck Telescope at Saint Mary's University. It's usually the telescope posting!
Robot minded by the […]
[bridged from https://observatory.social/@BGO on the fediverse by https://fed.brid.gy/ ]
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
Sherwood Observatory @sherwoodobs.bsky.social Inspiring STEM learning, growing future skills, bringing prosperity through our Planetarium, Observatory and Science Centre
Grantecan @gtctelescope.bsky.social Gran Telescopio Canarias (GTC) the largest optical/infrared telescope in the world (Roque de Los Muchachos Observatory La Palma /Spain)
Steward Observatory, University of Arizona @stewardobservatory.bsky.social Official UA Astronomy and Steward Observatory account. Pioneers of JWST MIRI and NIRCam, Event Horizon Telescope, and GMT, and home to the Richard F. Carris Mirror Lab, Mt Lemmon Sky Center, and one of the world’s top astronomy programs. astro.arizona.edu
University of Hertfordshire Observatory @observatory.herts.ac.uk The University of Hertfordshire's Observatory at Bayfordbury in the UK. Find out how to visit or study with us here: https://linktr.ee/bayfordburyobservatory
NOIRLab @noirlabastro.bsky.social @NSF NOIRLab is the preeminent US national center for ground-based, nighttime optical and infrared astronomy. Para español siga a
@NOIRLabAstroES
NOIRLab en Español @noirlabastroes.bsky.social NOIRLab de NSF es el principal centro de EEUU para la astronomía óptica-infrarroja nocturna terrestre. For English follow
@NOIRLabAstro
KM3NeT neutrino telescope @km3net.bsky.social KM3NeT is a neutrino telescope with two detectors - ARCA and ORCA - at the bottom of the Mediterranean Sea. It is also an international consortium of research institutes and university groups collaborating to operate the two detectors - www.km3net.org
Simons Observatory @simonsobservatory.org Figuring out some of the mysteries of the Universe from Chile at simonsobservatory.org
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
Yann LeCun @yann-lecun.bsky.social Professor a NYU; Executive Chairman at AMI Labs..
Researcher in AI, Machine Learning, Robotics, etc.
ACM Turing Award Laureate.
http://yann.lecun.com
Science Homecoming @sciencehomecoming.bsky.social ✨NEW PROJECT✨ Support science across the country by writing an opinion piece in your hometown or local newspaper.
This account is run by @cantlonlab.bsky.social & @spiantado.bsky.social.
Join us at sciencehomecoming.com
Xinting Yu @joneskuma.bsky.social Assistant professor at UT San Antonio. Researching everything on Titan and exoplanet atmospheres/clouds/hazes. Gahh.
Catherine Espaillat @catherineespaillat.bsky.social Astronomer studying planet formation. Professor at Boston University.
Evan Rich @evanastro.bsky.social Professor of Practice at UNL-Lincoln. Astronomer. Turtles and Birds are cool too. He/Him. Thoughts are my own.
Megan Tannock @astronomermegan.bsky.social PhD astronomer turned video game developer for Cosmographic Software. Big Fan of Big Dogs. She/her.
Website: https://megantannock.wixsite.com/home
Laura Watkins @laurawatkins.bsky.social Head of the Science Policy Division at STScI. Research focuses on kinematics and dynamics of globular clusters and dwarf galaxies. Views my own.
Megan Weiner Mansfield @cornerofthesky.bsky.social Assistant Professor at University of Maryland studying transiting exoplanets with telescopes on the ground and in space. Amateur runner, chocolate addict, and devoted cat mom. She/her
Dr. Tessa Fisher @tessafisher.bsky.social Research Facilitator, ASU| Astrobiologist | Trans Lesbian | SFF Writer | Lukewarm Ecosocialist | Union Woman | One Half of @asabpod.bsky.social | She/Her| 🌹
www.tessafisher.com
Words and opinions are my own.
Dr. Scott W. Fleming @scottwfleming.bsky.social Branch Manager at Space Telescope Science Institute working in the MAST archive. Astronomy PhD. Studies stars and exoplanets. Loves programming. Opinions are my own. He/Him/His
Dr. Pete Smith, Space Wizard @exoplanetpete.bsky.social Astronomer and Astrophysicist | ASU ➡️ MPIA | Exoplanet Atmospheres and Science Education | Writer | Baker | Hiker | they/he | petercbsmith.github.io
Ilaria Pascucci @pascucci.bsky.social Astrophysicist and Planetary Scientist. Professor at the University of Arizona. Fellow, American Astronomical Society. Outdoor enthusiast with a love for hiking, biking, and dogs.
Dr. Jake Turner 📡🧲🪐 @astrojaket.bsky.social Astronomer studying the magnetic fields & atmospheres of exoplanets at Cornell | Environmentalist & activist | Photographer | Traveler | (he/him) | #BLM #LGBTQ #Climate #Resister #FBR
🐦: astro_journey
🔗: https://astrojaketurner.space/
Ben Montet @benmontet.bsky.social Astronomer at UNSW Sydney. I like stars, planets, my dog, running, cycling, and yapping.
Chicagoan living in Australia
Sara Seager @saraseager.bsky.social Searching for life beyond Earth. MIT astrophysicist.
Ben Burningham @substellarfella.bsky.social Astronomer at University of Hertfordshire studying substellar atmospheres
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social Queer & disabled astronomer formerly at UofT & CITA. Dynamics, planets, & ballet. Posts reflect opinions of Sailor Galaxia, not my employer. She/her 👩🔬💃
Atacama Cosmology Telescope y Simons Observatory en Español @act-simonsobs-es.bsky.social Cuenta oficial conjunta del Telescopio Cosmológico de Atacama (ACT) y su sucesor, el Observatorio Simons, ¡en español!
The City of Edinburgh Council @edinburghcouncil.bsky.social We provide over 700 services to Scotland’s capital city. Follow for news and information on life in Edinburgh.
If you have a service question, please contact us: https://www.edinburgh.gov.uk/contact
ciara @cosmociara.bsky.social Space Law (LLM) Student and Assistant Astronomer 🔭
Astronomy 🪐 Dark Skies 🌌 Astrophotography 🌖
Matt Hilton @matthilton.bsky.social Astrophysics professor at the University of the Witwatersrand, Johannesburg
Dr Sarah Casewell @astronomerslc25.bsky.social 
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
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
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
Eric Tittley @erictittley.bsky.social Canadian Astronomer at the Royal Observatory Edinburgh.
Whisky, curling, hockey, pets, animals (ALL the animals), hiking, cycling, coins, weather, gardening, computing.
Agata Rożek @agastro.bsky.social Astronomer looking at chunks of metal and rock in space. Currently at Royal Observatory Edinburgh. PhD. she/her. Asteroid 63440
Lucy Arditi @lucyarditi.bsky.social Astro PhD @ Edinburgh • space maths • library worker • estuary enjoyer
(Astro)Mia, MScR @astr0mia.bsky.social 👋 hello fellow earthians! 🌎
✨ space thoughts and existential crises 🪐
Astrobiologist, Science Communicator, PhD candidate at the University of Edinburgh
https://linktr.ee/fellowearthian
Robert Massey @robertmassey.bsky.social Dad, Deputy Director RAS and Honorary Visiting Professor Sussex University. All views my own. Makes 'good' trouble.
The University of Edinburgh @edinburgh-uni.bsky.social Influencing the world since 1583. Follow our other social channels: https://edin.ac/3CJvzdv
Andy Lawrence @e-astronomer.bsky.social Active Galaxy Nut and Space Environmentalist.
Read Losing The Sky at Amazon, Apple Books, or Google Play.
More grooviness at https://andyxlastro.me 
Ken Rice @kenrice.bsky.social Interested in #scicomm, in particular about astronomy and climate change. Professor of Computational Astrophysics and Head of Institute for Astronomy, Univ. of Edinburgh. Views own, of course.
Kitteh Kat @kittehkat8.bsky.social 🍕Are you kitten me? again??
Twidder: https://twitter.com/KittehKat8
Tumblr: tumblr.com/kittehoddkat
Toyhouse: https://toyhou.se/KittehKat8/characters
Athena X-ray observatory @the-athena-x-ray-observatory.eu Athena Community Office official account.
The largest X-ray observatory ever built, Athena will investigate some of the hottest and most energetic phenomena in the Universe with spatially-resolved X-ray spectroscopy & deep wide-field X-ray spectra imaging
Dr. Victoria Grinberg @vicgrinberg.mastodon.social.ap.brid.gy - professional PhD astrophysicist #XraysAreTheBestRays
- published author & artist
- #ClimateCrisis & Astronomers for Planet Earth
- science communication […]
🌉 bridged from ⁂ https://mastodon.social/@vicgrinberg, follow @ap.brid.gy to interact
Astronomers for Planet Earth @a4e.org Astronomy students, educators, & scientists addressing the climate crisis from the astronomical perspective. Join the conversation with #Astro4Earth!
Andrea Gokus @agokus.bsky.social McDonnell PostDoc Fellow at WashU in Saint Louis, working on active galactic nuclei.
Enthusiastic about music 🎶 , space 🚀, dogs🐕 and saving planet Earth 🌎.
Andrea Botteon @andreabotteon.bsky.social Astrophysicist at INAF-IRA. Previously at UniBologna and UniLeiden. Mainly dealing with colliding galaxy clusters, merger shocks and their radio outcome.
Dr Kat Ross @astrokatross.bsky.social Astrophysicist based in Boorloo Perth, WA | she/they | ADHD | 🏳️🌈🏳️⚧️
Kaila Nathaniel @spacekaila.bsky.social kānaka maoli astrophysics phd candidate at RIT | looking for a postdoc!
massive ⭐️s & compact binaries | population synthesis
she/her
prev: University of Bonn (MSc astrophysics), Virginia Tech (B.S. physics)
kailanathaniel.com
Brendan O'Brien @astrophiz.bsky.social Rural Aussie interviewing great scientists from all over the world for the fabulous Astrophiz.com astronomy podcasts since 2016.
Plants trees, see my FB.
Several LY to the left of maga
Jonah Miller @thephysicsmill.com Computational astrophysicist at Los Alamos National Laboratory. Posts about #science, #software, #HPC, my #cats. Sometimes travel. Sometimes #mtg and #games. 🧪⚛️🔭 He/Him
Planetary Science Institute @psi.edu https://www.psi.edu/
A private nonprofit dedicated to studying the origin, characteristics, and evolution of planetary systems and planets, including the Earth.
Reymond Aguinaldo @mondinspace.bsky.social Space, science and wonder. Personal account. Views and opinions my own. Socials: @mondinspace
Mars Buttfield-Addison @themartianlife.com Academic in radio telescope instrumentation by day, game dev tools + scicomm by night
📍 lutruwita/Tasmania
💚 Skeets as @yarnspinner.dev
Find me at https://themartianlife.com
Anicia Arredondo @aniciaarredondo.bsky.social Planetary scientist at SwRI studying H2O on the Moon and asteroids. I like baseball and dogs (she/her)
Astropotamus 🔭🦛 @astropotamus.com ✨Time Traveling podcaster exploring the Star River - where ancient history meets astrophysics. Join me for a drink and a deep conversation about our connection to the infinite. You’re already in the River. 🍷
Listen: https://astropotamus.com/star-river
Meghan Buchanan @megs13031.bsky.social 2024 Physics grad from SFASU. I love my rescue dog, glitter, and exoplanet research ✨ She/her
Beth Johnson @planetarypan.bsky.social Planetary scientist, podcast host, cat wrangler. Communication specialist for the SETI Institute. planetarypan.medium.com #WomeninSTEM
Amir Caspi, Ph.D. @astronamir.bsky.social Astrophysicist (solar/stellar) @SwRI.org in Boulder, CO. Instrumentalist, data jockey, programmer. Gamer. Nerd. Vell, I'm just zis guy, you know? | PI @CubIXSS @citizenCATE2024
Manisha Caleb @manishacaleb.bsky.social Senior Lecturer at the University of Sydney. Radio astronomer hunting for fleeting bursts of energy across the Universe.
Fiona Porter @alicemayhap.bsky.social Postdoc in ML for radio astronomy at the University of Manchester! Many of my hobbies are very defunct. She/her.
Spaceflight Now @spaceflightnow.com Providing coverage of space launches and missions since 1999
EUSPA - EU Agency for the Space Programme @euspa.bsky.social The European Union Agency for the Space Programme #EUSPA
Chris Lee @cpl43uk.bsky.social AstroSpace Advisor, Former Chief Scientist UK Space Agency, Visiting Prof (Uni of Leicester), FRAS FBIS #BristolAstroSoc, Astro, #Space #Astrophotographer, #Park-run #ProgRock, #Sci-Fi, #anti-Trump #anti-Reform (he/him)
Space Rocks @spacerocksofficial.bsky.social Bringing space down to earth, in association with the European Space Agency. spacerocksofficial.com