Oliver Newton @musicalneutron.bsky.social MSCA Fellow University of Surrey (IP2I Lyon → LJMU → CFT-PAN). Founding trustee/former treasurer at UniBrass Foundation.
Will McClymont @willmcclymont.bsky.social Astrophysics PhD student at Cambridge working on galaxy formation theory.
Dreia Carrillo @dreiacarrillo.bsky.social Filipina Galactic Archaeologist | Assistant Professor at Carleton College
Astronimouse @astronimouse.bsky.social A mouse from the old Cambridge Observatory. I love old books and everything astro-historical.
Joanna Sakowska @joanna-sakowska.bsky.social Professional stellar stream hunter ✨ she/her 🇵🇱
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
Kate Pattle @jumpingjupiters.bsky.social Astrophysicist at University College London (UCL). Interested in all things star formation-related, many things not star formation-related, and magnetic fields! All views my own, of course.
Lisa Kelsey @lisakelseyastro.bsky.social Not the Laser Interferometer Space Antenna... ⭐️ Leverhulme Early Career Fellow, Institute of Astronomy, Cambridge ⭐️ Working on the environments of Type Ia Supernovae. ⭐️
she/her
Views my own.
(Formerly @supernova_lisa on the other site)
4-meter Multi-Object Spectroscopic Telescope (4MOST) @4most-eu.bsky.social 
Avishai Gilkis @agilkis.bsky.social Astrophysicist at the University of Cambridge. Research interests include massive star evolution, core-collapse supernovae and other related phenomena. 🌌
@unofficialnam.bsky.social @unofficialnam.bsky.social 
Haifeng Wang @astrohaifeng.bsky.social Love the Milky Way-Local Universe-Disk Systems-Dark Matter-New Physics with Data-Model-Simulations-Instruments. Love sports and history and travel, etc. Personal ORCID: https://orcid.org/0000-0001-8459-1036
21 Group @21group.bsky.social The 21 Group campaigns against the complaisant acceptance of bullying by UK Universities. We provide support for those experiencing bullying in academia.
Astro Plot of the Week @plotastro.bsky.social Under new management
Submit entry by tagging @PlotAstro.bsky.social
David Montes @dmontesg-astro.bsky.social Prof. Dpto. Física de la Tierra y Astrofísica, Facultad CC. Físicas, Universidad Complutense de Madrid, UCM.
IPARCOS-UCM (Instituto de Física de Partículas y del Cosmos de la UCM)
Ver: https://produccioncientifica.ucm.es/investigadores/141512/detalle
Payel Das @payeldas.bsky.social Surrey astrophysicist. Understanding the formation history of our Milky Way through dynamics and chemistry. Talk about papers on the Starxiv.
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
Renske Smit @renskerens.bsky.social Reader in observational astrophysics. Parent. From Amsterdam, living in Liverpool <3
@psharda.bsky.social @psharda.bsky.social (he/him)
Astrophysicist working on star formation and the interstellar medium. Oort Fellow @Leiden. Previously PhD @ANU Australia
Steph HM @starsteph93.bsky.social Astronomer focused on Galactic archaeology, Muay Thai enthusiast and lover of bees
Anshuman Acharya @anshumanastro.bsky.social BCCP Postdoctoral Fellow at UC Berkeley| PhD at MPA '25: Epoch of Reionization, 21-cm cosmology 📡, Machine Learning, cosmological sims | MS: CfA, Stellar X-rays | BS-MS IISER Mohali '21 | Sci-Comm | Sometimes write/doodle/make music! 🎸🎙️
Amery Gration @amerygration.bsky.social Astrophysicist. Research Fellow at the University of Surrey. Vegan.
RAS Journals @rasjournals.bsky.social Official account for Monthly Notices of the Royal Astronomical Society (MNRAS), Geophysical Journal International (GJI) and RAS Techniques and Instruments (RASTI). See also https://academic.oup.com/rasjournals
Martin Bourne 🏳️🌈 @astromartin.bsky.social Astrophysicist (at least in theory) and beagle dad! (he/him)
UKRI Hawking Fellow & Senior Lecturer at University of Hertfordshire.
Views are my own.
instagram.com/quee1896
Kapteyn Astronomical Institute @kapteynastro.bsky.social Bluesky account of the Kapteyn Astronomical Institute, University of Groningen, the Netherlands
Moritz Fischer @moritzfischer.world Astrophysicist • Dark Matter
moritzfischer.world
darkium.org
Georges Kordopatis @astrogeorges.bsky.social Galactic archeologist
@ Observatoire de la Côte d'Azur, France
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social Cantankerous astrophysicist and editor. Grandfather and dog owner. I could probably drink less coffee. I think about magnetized turbulence and what it means for the universe.
Orcid 0000-0002-2307-3857
Dr. Steve Goldman @stevegoldman.bsky.social Astrophysicist & Software Engineer for the Hubble, James Webb, and Nancy Grace Roman Space Telescopes @ The Space Telescope Science Institute.
Views are my own.
Tereza Constantinou @terezaconst.bsky.social Planetary Science PhD Student @Institute of Astronomy, Cambridge
Like🚴🏻♀️ ☕️🌏🚞📖🇦🇶 🎨
Astrochemist Veronica (she/her) @astrochemist-v.bsky.social Astrochemist 📡🔭⚛️🧪 • SciComm • ALMA observatory fan • Astronomom 👫🐕 • EDI advocate • 🇺🇸🇬🇧🇳🇱🏳️🌈 • AuDHD 2E • UDL education • Millennial • Extrovert level 4 • astrochemistveronica.com
Leibniz-Institut für Astrophysik Potsdam (AIP) @aippotsdam.bsky.social Astrophysikalische Grundlagenforschung von der Untersuchung unserer Sonne bis zur Entwicklung des Kosmos.
Webseite: www.aip.de
Samuel Eckmann @samueleckmann.bsky.social Computational neuroscientist, currently at the Sainsbury Wellcome Centre/Gatsby Unit in London. Interested in neural circuits, E-I balance, and biological learning → http://samueleckmann.github.io
Geraint F. Lewis @cosmichorizons.bsky.social Cosmologist & Galactic Archaeologist at
@Sydney_Uni. Proud Silurian, Australian immigrant, & author of books about the strange universe we find ourselves in!
Francesca Fragkoudi @astrofrancesca.bsky.social Astrophysicist | Associate Professor & UKRI FLF at the Institute for Computational Cosmology, Durham | Interested in: galaxies; dynamics; bars; dark matter; science4peace; cats (not necessarily in that order) | Cypriot #κυπραία #kıbrıslı
Meghan Gray @emeegray.bsky.social Professor of Astronomy. Midlands.
Vedant Chandra @vedantchandra.bsky.social proto-astronomer
vedantchandra.com
Ava Polzin @avapolzin.bsky.social professional nerd/astronomer
avapolzin.github.io
Cees Dekker @ceesdekker.bsky.social typing...
(also active on X as @cees_dekker)
Samir Nepal @galacticsaga.bsky.social 
Richard Dyer @richardvnd.bsky.social 📒 Astronomer @ Cambridge University
🌝 Researching black holes + gravity
🌅 Content creator + researcher + writer on TikTok, YT (PBS Spacetime), Insta
https://richardvnd.com/
Xander Byrne @xbyrne.bsky.social Astronomer 💫 Cambridge
Looking for eaten planets with AI
Hadi Sotoudeh @mhsotoudeh.bsky.social AI4Science PhD @ Cambridge | PolymathicAI @polymathicai.bsky.social | ✨🌌💫
Saad Ahmed @astrosaad.bsky.social Research Associate at University of Cambridge
Astronomer, data scientist, aspiring writer, someone with way too many hobbies
Richard McMahon @richardgmcmahon.bsky.social Grandfather, Professor of Astronomy; Former Director; Institute of Astronomy, University of Cambridge. Born Strabane, N. Ireland; most of school years in Omagh, N. Ireland.
Currrently migrating from Toxic X
Dominic Ford @dcf21.bsky.social Astronomer, science communicator and software engineer. Senior Research Associate at the Institute of Astronomy, Cambridge, developing the PLATO pipeline. Founder of https://in-the-sky.org
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/
Ricardo Carrera @ricardocarrera.bsky.social Astronomer at INAF from Avila (Spain). Open Clusters, Galactic archaeology, Magellanic Clouds. The opinions are my own.
https://sites.google.com/view/ricardocarrera/home
Stephen Molyneux @smolyneux.bsky.social Astronomy postdoc at the University of Oslo and part of the AtLAST project, studying galaxy evolution and Active Galactic Nuclei
Clàudia Janó @astroclau.bsky.social Astrophysics PhD student at the University of Cambridge 🔭 Exoplanets enthusiast 💫 Nerd 👽 she/her 🏳️🌈
Jonathan Freundlich @jfreundlich.bsky.social Astrophysicist at the Strasbourg Observatory, working on galaxies, gas in galaxies, dark matter haloes, and alternative cosmological models
Zachary Ardern @zachary-ardern.bsky.social Researching the evolution of protein novelty in bacteria & viruses @Wellcome Sanger Institute 🧬
NZer, previously postdoc @KIT & TUM.
Interested in philosophies of science & religion
Married to @ankeaa.bsky.social, galactic archaeologist 🌌
gaia memes for parallax < 0.01 as connoisseurs @gaiamemes.bsky.social memes about your favorite telescope at L2
Random three-body problem @threebodybot.bsky.social Random initial conditions: M between 0.1 & 150 solar masses | Speed less than 10 km/s | Positions in a 50x50 AU box | code and more info at https://github.com/kirklong/ThreeBodyBot
Carolyn Doherty @astrohatter.bsky.social Astrophysicist, ancient history fanatic, cyclist, lover of late Victorian fashion, hatter
Rob Crain @robcrain.bsky.social Astrophysicist. Dad. Tired. 
Miles Cranmer @milescranmer.bsky.social AI + Astro/Physics. Assistant Prof at Cambridge.
astroautomata.com/
Justus Neumann @astrojustus.bsky.social Astronomer
Postdoctoral researcher at Max-Planck-Institute for Astronomy, Heidelberg
Star Cluster Memes For Stellar Overdensity Teens @starcluster.meme star cluster memes worse than your isochrone fit 📉
voted #1 Blanco 1 fan by the Blanco 1 fan club
✨ maintained by @emily.space ✨
zoë hackshaw @theastrozo.bsky.social UTAustin Astronomy Ph.D. candidate & investigator of Galactic origins🔎💫🔭🧘♀️🤠🪩 UF alum🫶🏼 zoehackshaw.github.io
Giorgia Busso @giobusso.bsky.social Astrophysicist working on @ESAGaia in Cambridge. Italian from Venice. Music Listener to (almost) everything. Daily cyclist 🚲 weekly rower 🚣♀️
Niko @nikosarcevic.com human person (she)
| cosmologist at Duke University
| member of @LSSTDESC @Roman
| did physics @XENONexperiment
| loves plots, coats, and The Wire
| opinions mine
Eduardo Balbinot @balbinot.bsky.social Curious, astronomer, maker of things, surveyor of the universe, unrealistically cheering for humanity, one bad news away from a mental breakdown, etc.
Jorge Villa-Vélez @jurgenvilla.bsky.social Colombian Astronomer 🇨🇴 School and Student Programmes Manager at #CERN. BL4S manger cern.ch/bl4s
Before: Postdoc at #LPENS Paris 🇫🇷. #MOONS collaboration and #RECAstronomia
He/him/his 🏳️🌈🔭🌌
Morgan Fouesneau @mfouesneau.bsky.social - T @teresaantoja.bsky.social @teresaantoja.bsky.social
Matthieu Schaller @mschaller.bsky.social Lecturer in numerical cosmo @ LION+STRW Leiden University. Lead dev. of @swiftsimulation.bsky.social astro and cosmology code. #HPC. Creator of fake universes; all including cheese. 🇨🇭
www.matthieuschaller.com
Tanya Urrutia @astrobellatrix.bsky.social Astronomer at Leibniz Institut für Astrophysik in Potsdam (🇬🇹 / 🇩🇪).
https://www.tanya-urrutia.com
Eduardo Vitral @evitral.bsky.social Astrophysicist 🛰️🌌⚫️ | Globular clusters | Dwarf galaxies | Black holes | Dark matter | 🇧🇷🇮🇹🇫🇷🇺🇸🏴 | He/him
Website: https://eduardo-vitral.github.io
Burcu @astroburcu.bsky.social Sapere Aude
Ph.D Candidate in IU. Stellar Astrophysics, Star-Forming Regions, Open Clusters and OB Associations.
Christian Kirkham @1420megahertz.bsky.social PhD Student at Cavendish Astrophysics ✨ 21cm Radio Cosmology ✨ REACH 📡 Uni of Cambridge ✨ Sywedydd 🏴
https://astrochristian.github.io
Ethan Taylor @astroeth.bsky.social Postdoc apart of Surrey Astro | looking at naturally forming globular clusters within the EDGE simulation suite, and their evolution | #BlackInAstro
Marcel S. Pawlowski @8minutesold.bsky.social Astrophysicist studying cosmic choreographies of dwarf galaxies. Junior Research Group Leader at AIP, Street Photographer (he/him)
Autor des Buchs „Von tanzenden Galaxien, Dunkler Materie, und anderen kosmischen Rätseln“
Potsdam, Germany
Nienke van der Marel @nienkemarel.bsky.social Assistant professor of astronomy at Leiden Observatory | Leiden University | Formerly 🇨🇦&🇺🇲 | Planet formation | ALMA | Astromom | Outreach | She/her/hers | Views my own
Kaley Brauer @kaleybrauer.bsky.social NSF Postdoc @ Harvard & Smithsonian Center for Astrophysics
https://twitter.com/kaleybrauer
Laura Rogers @astroloz.bsky.social Astronomy postdoc studying dead planets around dead stars (a.k.a. polluted white dwarfs)
☄️+💀💫=🔭😲
Marcin Semczuk @msemczuk.bsky.social Dad & Husband | Postdoc in Astrophysics (galactic dynamics & morphology) at the Universitat de Barcelona 🌌 | 🇵🇱 in 🇪🇸 | FPL enthusiast ⚽️
Peter Ferguson @theotherpsf.bsky.social Astronomer, helping to make the Vera C. Observatory a thing and use it to look for dark matter.
Currently a DiRAC fellow at UW/Seattle
He/Him
Pau Ramos @brugalada.bsky.social Milky Way dynamicist, working mostly with Gaia data, and also a member of the JASMINE project. Currently living in Japan 🇯🇵
I love cinema, music, manga and the stories I get to experience through videogames. 
Tadafumi Matsuno @tada-matsuno.bsky.social Astronomer
NAOJ / SOKENDAI -> Kapteyn -> Heidelberg
Steve Ardern @steveardern.bsky.social Astrophysics PhD student at University of Bath
- Variable stars (RR Lyrae and Cepheids)
Dr Rajika "Reggie" Kuruwita @reggiek.bsky.social Sri Lankan-Australian Astrophysicist 🇱🇰🇦🇺. Post-doc at the Australian National University. Binary and multiple star formation! ✨ Cats, Space, science-based life choices, DV survivor, She/her, opinions my own
Thomas Rintoul @thomasrintoul.bsky.social 🌌 Galaxy Evolution PhD student - Cardiff Uni
✨ MPhys Astro - Uni of St Andrews 2023
🎥 Science Communicator on YouTube, Twitch, Instagram
🔗 https://linktr.ee/ThomasRintoul
Matthias Steinmetz @galacticrave.bsky.social Astronomer & Astrophysicist, Galactic Archaeologist & Simulator, Husband & Dad, Director @AIP_Potsdam, backyard astrophotographer
astronomie.nl @astronomienl.bsky.social Nederlandse Onderzoekschool voor Astronomie (NOVA), het samenwerkingsverband van de sterrenkundige instituten van: Universiteit van Amsterdam, Rijksuniversiteit Groningen, Universiteit Leiden en Radboud Universiteit. Posts in NL + ENG. astronomie.nl
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.
Sandro Tacchella @sandrotacchella.bsky.social Assistant Professor of Astrophysics, studying the evolution of galaxies, University of Cambridge, Fellow of St Edmunds College 🇨🇭🇺🇲🇰🇷🇬🇧
Joris Witstok @joriswitstok.bsky.social Looking up at the stars at the Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen. Previously at Kavli Institute for Cosmology, University of Cambridge, University of Leiden. (He/him) 🇪🇺🇳🇱🇬🇧🇩🇰
Oliver Müller @voltarch.bsky.social Stargazing astrophysicist, data scientist, nerd, blogger, guitarist, Pen & Paper enthusiast. @EPFL_en, formerly @UniBasel, @ObsStrasbourg, @Google_CH. He/him.
Jos de Bruijne @astrojos.bsky.social Father of 2, husband, hobby wildlife photographer, #AFOL. Astronomer at European Space Agency @ESA working @ESA Gaia & @ESA ESDC. Tweets are my own. He/him/his.
Florent Renaud @florenaud.bsky.social Astrophysicist making galaxies crash and computers collide. Or the other way round 🔭
Research professor (directeur de recherche) in astrophysics at CNRS / Strasbourg Observatory, France 🇫🇷 🇪🇺
Jessica Birky @jessbirky.bsky.social Astrophysics + data science grad at University of Washington
she/her 🏳️🌈
https://jbirky.github.io/
Jeff Carlin @jeffcarlinastro.bsky.social Astronomer studying dwarf galaxies and their tidal remnants, and the nearby universe in general. Data Management Science Validation Scientist and Deputy Lead Community Scientist at Vera C. Rubin Observatory.
Peter Smith @smithjpeter.bsky.social 
Sarah Pearson @spacewsarah.bsky.social (she/her)
Astrophysicists, Assistant Professor at U. Copenhagen, former NASA Hubble Fellow at NYU - Dark matter, stellar streams, galactic dynamics. SciComm: writer, talks, YouTube
http://drsarahpearson.com/
Ankita Mondal @astrowithankita.bsky.social Caffeinated Introvert, who studies galactic archaeology 🌌
PhD student at @swinburne!💫 (she/her)
Akshara Viswanathan @astroakshara.bsky.social PhD researcher in Kapteyn Institute, Groningen, NL|
Observational astronomer investigating baby Milky Way's shenanigan |🇮🇳🇨🇦🇬🇧🇳🇱|
she/her | தமிழச்சி 
Justin Read @readdark.bsky.social Astrophysicist hunting for dark matter. All opinions my own.