Sesh Nadathur @seshnadathur.bsky.social Professor of Cosmology at Portsmouth. "Cosmic cartographer": I make and use 3D maps of the Universe from galaxy redshift surveys, with telescopes on desert mountaintops and in space. Dad, occasional climber, likes cricket. Occasionally I have opinions.
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
Tansu Daylan @tansudaylan.bsky.social Ast. Professor of Physics at WashU
AstroMusers PI, cosmology, exoplanets
curious mind, dad, aviator
Harvard PhD, MIT & Princeton postdoc
In scientia fidimus
Paul Lasky @plasky.bsky.social Professional astrophysicist, amateur human, parental enthusiast.
Gravitational waves, black holes, neutron stars, GRBs, cosmology; Monash Astrophysics, OzGrav, AAL. 
Denis Erkal @derkal.bsky.social Astrophysicist working on dark matter, near-field cosmology, and galaxy formation. All opinions are my own. He/him.
Eve Vavagiakis @evevavagiakis.bsky.social Assistant Professor of Physics at Duke. Cosmology and astrophysics with ACT, CCAT, and the Simons Observatory.
Author of Meet the Universe books, MIT Kids Press
Cornell alum x3 🐻 Often outside 🏃♀️🚵🏻♀️🥾
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Daniel Green @dangreen.bsky.social Associate Professor @UCSanDiego, particle theory and cosmology
Dr Dave Clements @davecl.bsky.social Astrophysicist at Imperial College. Extragalactic astronomy, observational cosmology, astrobiology. Writes science fiction. Not speaking for anybody. Science for Fiction podcast https://open.spotify.com/show/7HzQoyNyNI115W3kgqZAku?si=jK0XQYAyS1ubvzD76spbEg
Eugene Lim @tukohbin.bsky.social Professor of Theoretical Physics at King’s College London doing cosmology, gravity, astrophysics and string theory. GRTL Collaboration and UK Numerical Relativity. Views my own. Penang-lang. YNWA
Ned Wright @mapping3k.bsky.social UCLA astronomer working on space CMB and IR. On the COBE, WMAP, SIRTF and WISE missions. Asteroid (241527). See my cosmology tutorial at https://www.astro.ucla.edu/~wright/cosmolog.htm
(NOT) PBS Space Time (Robot) @pbs-space-time-bot.bsky.social Automated fan account. Not associated or endorsed by the real PBS Space Time.
Posts videos from the YouTube channel:
https://www.youtube.com/@pbsspacetime
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
Anna Ogorzałek @ogoann.bsky.social Astrophysicist, (mostly) X-ray spectroscopist, helps with 🛰️. Black holes, galaxies, hot gaseous halos, mountains. NASA GSFC / UMD
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
Katja Fahrion @katjafah.bsky.social Astronomer, Marie Curie Fellow at Uni Vienna, studying nuclear star clusters, globular clusters and galaxies. She/her
Markus Mosbech @mosbech.bsky.social Cosmology postdoc at RWTH Aachen, astroparticle physics, dark matter, nerd stuff.
PhD from University of Sydney. He/him
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs
Teagan Clarke @astroteagan.bsky.social Postdoc | gravitational-wave astronomer | Princeton University | 💫 🏳️🌈 🇦🇺
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.
Toka Alokda 🌌 @astrotoka.bsky.social Cosmology PhD student. Interested in ML and the LSS ✨, collecting cool earrings, and making stuff.
(She/They)
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)
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)
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
Fran Concha-Ramírez @francisca.cr (she/her) computational astrophysicist turned data engineer @ climate tech, bookworm, cocktail enthusiast, very amateur chess player. 🇨🇱 in 🇬🇧
Amruta @amruta.bsky.social Pulsar astronomer with deep interest in astro-data science
Dog-mom, music-nerd, thinks neutron stars are cool! 
Hinna @hinsterrr.bsky.social PhD Candidate | Exoplanet atmospheres 🪐
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
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)
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 
Alexander Harvey Nitz @handle.invalid Associate Professor of Physics at Syracuse Univ. | Gravitational-wave Astronomer | BlackHoles | NeutronStars | PyCBC developer.
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
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
Joanne Tan @tanofspace.bsky.social Astrophysics PhD researcher @ MPA Garching | studying galaxies and their multiphase circumgalactic medium
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
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.
Randall Smith @rksmith.bsky.social Astronomer at the Center for Astrophysics | Harvard & Smithsonian. Posts and opinions represent only myself.
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
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
ASCL (Astrophysics Source Code Library) @asclnet.bsky.social Making astrophysics research source codes discoverable since 1999
editor@ascl.net- 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.
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
Ava Polzin @avapolzin.bsky.social professional nerd/astronomer
avapolzin.github.io
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
Slavko Bogdanov @slavkobogdanov.bsky.social Astrophysicist ordinaire. Columbia University.
slavko.org
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
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.
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own
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)
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.
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
Yasmeen Asali @yasmeenasali.bsky.social Astrophysics PhD student at Yale | Formerly at Columbia | Working on the SAGA survey | she/her | yasmeenasali.com
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. 
Kyle Cook @kwcookastro.bsky.social PhD Candidate astronomer at the University of Louisville. LADUMA member. Roller coaster fanatic. 🏳️🌈 (he/him)
Sami Lamby 🩷💜💙 @samilamby.bsky.social PhD Astronomy candidate at Western University • brown dwarfs, ultracool dwarfs & exoplanets • outreach assistant at Cronyn Observatory ✨ she/her
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.
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
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/
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!
John Bird @johnbird001.bsky.social Ph.D. atmospheric scientist🌎, nuclear engineer☢, 📰 #antarctica
South Pole Station 🐧 http://amzn.to/2klpv3b 🐧
@aaandeel.bsky.social @aaandeel.bsky.social 
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.
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.
Cristóbal Sifón @csifon.bsky.social Astrophysicist. Dark matter, galaxies and clusters through optical/submm/other wavelengths.
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 🇨🇱
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.
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
Emily Silich @emstar.bsky.social astrophysics PhD candidate at Caltech || really likes rocks, X-rays, galaxy clusters, and bad poetry || she/her
Tero "Kaukoputkimies" Hiekkalinna @terohiekkalinna.bsky.social Kaukoputkimies, tietokirjailija, avaruudenkuvaaja ja dosentti. Telescopeman, non-fiction writer, deep space astrophotographer and associate professor
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 🇲🇽🇩🇪🇰🇷🇮🇹
Ludwig Böss @ludwigboess.bsky.social PostDoc | astrophysics | simulations | galaxy clusters | cosmic rays
Katherine Ormerod @katherineormerod.bsky.social PhD student studying the Epoch of Reionisation at LJMU | football & formula 1 | Bolton Wanderers fan | 🏳️🌈 she/her
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.
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
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.
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/
Moritz Fischer @moritzfischer.world Astrophysicist • Dark Matter
moritzfischer.world
darkium.org
Mac McMullan @macmcmullan.bsky.social PhD Student in Dwarf Galaxies at Durham University
Anke Ardern-Arentsen @ankeaa.bsky.social 🇳🇱 Galactic Archaeologist 🔭✨, postdoc at the Institute of Astronomy in Cambridge. Married to @zachary-ardern.bsky.social, evolution-explorer
Francesco Ubertosi @fubertosi.bsky.social Astronomer in Bologna, studying galaxy clusters and black holes 🌌
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.
Huei Sears, PhD 🌟 @starlights.bsky.social ✨ she/her ✨ astrophysicist studying supernovae + GRBs ✨ @ Rutgers U
DESI Survey @desisurvey.bsky.social The DESI Survey will measure the properties of Dark Energy using a survey of 30+ million galaxy redshifts.
Hossam Khalil @hossam.bsky.social astrophysics PhD student at the University of Helsinki studying galaxy clusters and the large-scale structure in X-ray and optical λs
hossamkhalilastro.github.io
Financial Times @financialtimes.com The best of FT journalism, including breaking news and analysis.
https://www.ft.com
The users this account follows are verified FT staff or contributors.
Sophy Ridge @sophyridge.bsky.social Lead Politics Presenter, Sky News
Senator Bernie Sanders @sanders.senate.gov Sen. Sanders of Vermont, Ranking Member of the U.S. Senate Committee on Health, Education, Labor & Pensions, is the longest-serving independent in congressional history.
Alan Boyle @b0yle.bsky.social Science editor / GeekWire / Universe Today / Cosmic Log / Fiction Science podcast / The Case for Pluto
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
John Stott @jpsastro.bsky.social Astrophysicist at Lancaster University. Mainly galaxy evolution, environment and feedback. Recent foray into machine learning and icebergs.
@community-matters.bsky.social @community-matters.bsky.social Community Matters is a hub of support for both small charities and organisations managing community buildings. We also deliver community development in Yorkshire. 
Janine Booth @janinebooth.bsky.social Marxist, feminist, trade unionist, railway writer, neurodiversity trainer, poet, LGBT+ activist, author, mum, PUFC fan, scooterist
A Disorder for Everyone (AD4E) @jowatson-ad4e.bsky.social Disgruntled psychotherapist trying to make a difference.
Co-founder AD4E (with Lucy Johnstone) adisorder4everyone.com
Founder FB group Drop the Disorder! https://bit.ly/4bskue6
Founding member madintheuk.com
~because labels don’t tell truthful stories~
Susie Dent @susiedentwords.bsky.social Always in the Corner
@attilastockbroker.bsky.social @attilastockbroker.bsky.social