Enrique Arribas-Garde @garde24.bsky.social Theoretical physicist researching radiofrequency electromagnetic fields and exposure (RF-EMF). Fascinated by magnets since childhood. Físico teórico investigando la exposición a campos electromagnéticos de radiofrecuencia. Amante de los imanes desde niño.
Minas Karamanis @minaskar.bsky.social Astrophysicist and proud cat dad. He/him
Views are my own.
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
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/
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
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
EAS Annual Meeting @eas-meeting.bsky.social Official Account of the EAS Annual Meeting #EAS2026Lausanne
https://eas.unige.ch/EAS2026/
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
The Open Journal of Astrophysics @ojastro.bsky.social A peer-reviewed Diamond Open-Access Astrophysics journal using an arXiv overlay. This community-run service is provided entirely free for authors and readers.
https://astro.theoj.org/
Marcus Lower @astromelow.bsky.social Astrophysicist | ARC DECRA Fellow at Swinburne | Timing pulsars & magnetars | Coffee enthusiast
Website: https://mlower.github.io
Pengfei Li @pengfeili.bsky.social Assistant professor at Nanjing University. Humboldt fellow previously @AIP. Work on dynamics of galaxies and galaxy clusters. 
Céline Gouin @celinegouin.bsky.social I’m Céline Gouin, a CNRS researcher specializing in galaxy clusters, combining observations and simulations to better understand the impact of large scale structures on cluster formation and evolution
Florian Pacaud @florianpacaud.bsky.social Astrophysicien des rayons X et cosmologiste
X-ray astrophysicist and cosmologist
Kostas Migkas @kmigkas.bsky.social Oort fellow at Leiden Observatory. Working on X-ray galaxy clusters and observational cosmology. Dad and husband.
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
DESI Survey @desisurvey.bsky.social The DESI Survey will measure the properties of Dark Energy using a survey of 30+ million galaxy redshifts.
Huei Sears, PhD 🌟 @starlights.bsky.social ✨ she/her ✨ astrophysicist studying supernovae + GRBs ✨ @ Rutgers U
Jamie Zvirzdin @jamiezvirzdin.com Research: Ultrahigh-energy cosmic rays with #machinelearning at #TelescopeArray. Past: Science editor and #ScienceWriting faculty at Johns Hopkins. Essays: The Atlantic, Orion, Aeon, etc. Book: #SubatomicWriting (JHU Press). I worship MacGyver and Picard.
Francesco Ubertosi @fubertosi.bsky.social Astronomer in Bologna, studying galaxy clusters and black holes 🌌
Anke Ardern-Arentsen @ankeaa.bsky.social 🇳🇱 Galactic Archaeologist 🔭✨, postdoc at the Institute of Astronomy in Cambridge. Married to @zachary-ardern.bsky.social, evolution-explorer
Mac McMullan @macmcmullan.bsky.social PhD Student in Dwarf Galaxies at Durham University
Moritz Fischer @moritzfischer.world Astrophysicist • Dark Matter
moritzfischer.world
darkium.org
Andrew J. Steinmetz @ajsteinmetz.com Physics Ph.D., Academic Professional at #GeorgiaTech, and #UniversityOfArizona alumnus. I love ⚛️ physics, 🌌 astronomy and all 🧪 sciences! (views my own) https://ajsteinmetz.github.io/
Steven Silverberg @silverbergastro.bsky.social Research scientist, Eureka Scientific. Focusing on low-mass stars and the stuff around them, and citizen science. PI of Disk Detective. Opinions my own. He/him.
Romain Meyer @astrorameyer.bsky.social Astronomy postdoc UNIGE - Studying the Universe in the 1st Gyr: Galaxies, SMBH, Reionisation - All views are my own. (he/him)
http://rameyer.github.io
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.
Katherine Ormerod @katherineormerod.bsky.social PhD student studying the Epoch of Reionisation at LJMU | football & formula 1 | Bolton Wanderers fan | 🏳️🌈 she/her
Ludwig Böss @ludwigboess.bsky.social PostDoc | astrophysics | simulations | galaxy clusters | cosmic rays
Paola Domínguez Fernández @paola-dominguez.bsky.social Astrophysicist at Harvard University, Center for Astrophysics Harvard & Smithsonian 🌌
Hecha en #UNAM. PhD at the University of Hamburg 🇲🇽🇩🇪🇰🇷🇮🇹
Tero "Kaukoputkimies" Hiekkalinna @terohiekkalinna.bsky.social Kaukoputkimies, tietokirjailija, avaruudenkuvaaja ja dosentti. Telescopeman, non-fiction writer, deep space astrophotographer and associate professor
Emily Silich @emstar.bsky.social astrophysics PhD candidate at Caltech || really likes rocks, X-rays, galaxy clusters, and bad poetry || she/her
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
Andra Stroe (she/her) @andrastroe.bsky.social Associate Astronomer @spacetelescope.bsky.social.
Former Clay Fellow at CfA and ESO Fellow. PhD at Leiden Obs. Galaxy clusters, high-z galaxies, chocolate, coffee & movies.
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 ✨
Andrei-Cătălin @acpopa.bsky.social i do astro at uni côte d'azur and soon in keele | prev. (astro)physics @ucl @roma2
Bernardita Ried Guachalla @bernarditaried.bsky.social 🌲 PhD Astrophysics student at Stanford University with a Fulbright scholarship
🎓 MSc in Physics Universidad de Chile
🔭 NOIRLab ambassador
🖤 Observational Cosmology
Sometimes u'll find Spanish here 🇨🇱
Cristóbal Sifón @csifon.bsky.social Astrophysicist. Dark matter, galaxies and clusters through optical/submm/other wavelengths.
Johannes Buchner @johannesbuchner.bsky.social I study the physics of how gas flows from dark matter halos onto the black hole event horizon. I build data science tools to look closer at how black holes become supermassive.
John Stott @jpsastro.bsky.social Astrophysicist at Lancaster University. Mainly galaxy evolution, environment and feedback. Recent foray into machine learning and icebergs.
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.
@aaandeel.bsky.social @aaandeel.bsky.social 
John Bird @johnbird001.bsky.social Ph.D. atmospheric scientist🌎, nuclear engineer☢, 📰 #antarctica
South Pole Station 🐧 http://amzn.to/2klpv3b 🐧
The Hitchhiker's Guide to Radio Galaxies @ognimaeb.bsky.social Dr Beatriz Mingo. Radio/X-ray astronomer and sustainability enthusiast. Ernest Rutherford Fellow livin' la vida LOFAR at the University of Hertfordshire (UK). European 🇪🇺 Cat minion 🐈 Metalhead 🤘 She/them 🏳️🌈.
Same handle on Mastodon!
Alessandro Ignesti @a-ignesti.bsky.social Ph.D. in Astrophysics. Post Doc atASU, Prague. I study stuff in galaxy clusters. More at https://aignesti.github.io/
Daniel Pomarède @pomarede.bsky.social Cosmographer at Univ. Paris-Saclay | mapping the Universe | co-discoverer of Laniakea (our home supercluster of galaxies), Hoʻoleilana, and some other (very) large scale structures
📖 https://orcid.org/0000-0003-2038-0488
▶️ https://vimeo.com/pomarede
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.
Sami Lamby 🩷💜💙 @samilamby.bsky.social PhD Astronomy candidate at Western University • brown dwarfs, ultracool dwarfs & exoplanets • outreach assistant at Cronyn Observatory ✨ she/her
Kyle Cook @kwcookastro.bsky.social PhD Candidate astronomer at the University of Louisville. LADUMA member. Roller coaster fanatic. 🏳️🌈 (he/him)
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. 
Tuukka Aaltonen @sippoin.bsky.social Art, sustainability, urban living, human kindness and good coffee. Work in adtech helping publishers with tech & processes. Avid consumer of dog content.
Yasmeen Asali @yasmeenasali.bsky.social Astrophysics PhD student at Yale | Formerly at Columbia | Working on the SAGA survey | she/her | yasmeenasali.com
John ZuHone @jzuhone.bsky.social Father, husband, Anglican Christian. Astrophysicist at the Center for Astrophysics | Harvard & Smithsonian; works for Chandra, researches galaxy clusters, develops in Python
Matthieu Béthermin @matbethermin.bsky.social Faculty astronomer at Strasbourg observatory. Star formation in high-z galaxies from sub-galactic scales to large-scale structures. Long distance triathlete when I am not nerding on my laptop. Husband of @karinavoggel.bsky.social.
Dr. Mike Chen @mcycee.bsky.social Data Scientist & Astrophysicist. Loves to bike & climb, and advocating for science, democracy, & human rights. Based in Toronto. CC. & clean air (he/him)
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own
Ira Thorpe @ithorpe.bsky.social Gravitational wave astrophysicist working on Laser Interferometer Space Antenna (LISA). Dad, husband, outdoor lover, and expat New Mexican living in greater Washington, DC.
Employed by NASA, but opinions are my own.
Vincent MacKay @vincentmackay.bsky.social Postdoc at MIT, previously University of Toronto, McGill
You can mostly trust my posts on:
🌌 cosmology
📡 radio telescopes
🎹 piano
🎼 music theory
...take everything else with a grain of salt.
Fr/En | He/Him | vincentmackay.github.io | Somerville, MA
Slavko Bogdanov @slavkobogdanov.bsky.social Astrophysicist ordinaire. Columbia University.
slavko.org
Philip Mocz @philipmocz.bsky.social Computational physicist/software engineer at Flatiron Institute. Previously LLNL, Princeton, Harvard ('12 AB, '17 PhD). Views are my own. https://pmocz.github.io
Ava Polzin @avapolzin.bsky.social professional nerd/astronomer
avapolzin.github.io
Galaxy Map @galaxymap.bsky.social The first accurate and detailed maps of the Milky Way and ways to promote and visualize them (including VR).
Website: https://kevinjardine.dev
Tip jar: https://tiptopjar.com/kevinjardine- J Jorryt Matthee @jorryt.bsky.social Extragalactic astrophysicist. Assistant Prof @ IST Austria - PI of ERC StG-2022 AGENTS. PhD Leiden 2018, Zwicky fellow @ ETH Zurich,2018-2023.
ASCL (Astrophysics Source Code Library) @asclnet.bsky.social Making astrophysics research source codes discoverable since 1999
editor@ascl.net
Tero Kuittinen @teroterotero.bsky.social Connecticut Finn in Manhattan - regulatory marketplaces, Nordic AI Nights in NYC, AI startups, CallCompany. Jyväskyläläislähtöinen!
Hannah Earnshaw @hpearnshaw.bsky.social Astronomer at Caltech | NuSTAR Project Scientist | UVEX science team
British, Queer, Christian, bird-parent.
Aspiring Martian.
Opinions my own.
they/them
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
Randall Smith @rksmith.bsky.social Astronomer at the Center for Astrophysics | Harvard & Smithsonian. Posts and opinions represent only myself.
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.
Stacy McGaugh @dudedarkmatter.bsky.social Astronomer & Astrophysicist working on galaxies, cosmology, dark matter and modified gravity.
Academic home page: https://astroweb.case.edu/ssm
Blog: https://tritonstation.com/
ORCID: https://orcid.org/0000-0002-9762-0980
Joanne Tan @tanofspace.bsky.social Astrophysics PhD researcher @ MPA Garching | studying galaxies and their multiphase circumgalactic medium
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
Carl Rodriguez @carlrodriguez.bsky.social Professor of astrophysics at UNC, studying colliding black holes, swarming stars, and other things that go bump in the night. Big fan of transit, biking, climbing, Durham NC, he/him
dynamics.unc.edu
Alexander Harvey Nitz @handle.invalid Associate Professor of Physics at Syracuse Univ. | Gravitational-wave Astronomer | BlackHoles | NeutronStars | PyCBC developer.
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 
Tom Killestein @tkilleste.in Prize Fellow at the University of Warwick using deep learning to shed light on the transient Universe. https://tkilleste.in (he/him)
Skylar @filledelespace.bsky.social Getting my PhD in astrophysics! Studying AGN feedback and sharing how awesome the universe is ✨🔭Find me elsewhere: https://linktr.ee/filledelespace
Hinna @hinsterrr.bsky.social PhD Candidate | Exoplanet atmospheres 🪐
Amruta @amruta.bsky.social Pulsar astronomer with deep interest in astro-data science
Dog-mom, music-nerd, thinks neutron stars are cool! 
Fran Concha-Ramírez @francisca.cr (she/her) computational astrophysicist turned data engineer @ climate tech, bookworm, cocktail enthusiast, very amateur chess player. 🇨🇱 in 🇬🇧
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
Amber Stuver @stuver.bsky.social My name is Amber Stuver and I'm a physics professor at Villanova Univ. studying gravitational waves with LIGO. (she/her/hers)
Fabian Schussler @fabianschussler.bsky.social Astrophysicist: multi-messenger observations at high-energies, H.E.S.S./CTA; SVOM, ANTARES, etc.
PI of Astro-COLIBRI (https://www.astro-colibri.science)
Toka Alokda 🌌 @astrotoka.bsky.social Cosmology PhD student. Interested in ML and the LSS ✨, collecting cool earrings, and making stuff.
(She/They)
Johanna Hartke @jhartke.bsky.social Astronomer. Collegium Researcher at the Finnish Centre for Astronomy with ESO, University of Turku, FI. Working on galaxy halos, intra-cluster light and planetary nebulae as kinematic tracers and all things IFU. She/her.
Teagan Clarke @astroteagan.bsky.social Postdoc | gravitational-wave astronomer | Princeton University | 💫 🏳️🌈 🇦🇺
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs
Markus Mosbech @mosbech.bsky.social Cosmology postdoc at RWTH Aachen, astroparticle physics, dark matter, nerd stuff.
PhD from University of Sydney. He/him
Katja Fahrion @katjafah.bsky.social Astronomer, Marie Curie Fellow at Uni Vienna, studying nuclear star clusters, globular clusters and galaxies. She/her
Christopher Berry @cplberry.bsky.social Gravitational-wave astrophysicist. University of Glasgow Senior Lecturer. Science, education, LEGO & cake. May contain traces of nuts
🐘 https://mastodon.online/@cplberry
📚 https://cplberry.com
Anna Ogorzałek @ogoann.bsky.social Astrophysicist, (mostly) X-ray spectroscopist, helps with 🛰️. Black holes, galaxies, hot gaseous halos, mountains. NASA GSFC / UMD
Stephanie Deppe, PhD @spacescisteph.bsky.social Content Strategist at Vera. C. Rubin Observatory and lover of icy asteroids in the outer Solar System. ADHD brain in a neurotypical world. Sci-fi/fantasy nerd.
Probably hiking a mountain somewhere. she/her
Laine @lainecarlucci.bsky.social Arts lover. Development professional. Chocolate addict. Aspiring world traveler. Sussex squad member. She/her/hers
I’m the baby in my profile pic, if that wasn’t obvious.