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.
4-meter Multi-Object Spectroscopic Telescope (4MOST) @4most-eu.bsky.social 
Andrew Jaffe @defjaf.bsky.social Astrophysics, cosmology, Bayesian inference, parenthood, politics, rock ’n’ roll, & more. Professor at Imperial College. andrewjaffe.net He/him/his
The Random Universe—available now!
https://yalebooks.yale.edu/book/9780300250503/the-random-universe/
Cosmology Large Angular Scale Surveyor @classtelescope.org Cosmology Large Angular Scale Surveyor | Measuring the Cosmic Microwave Background Polarization | Discovering when the universe first lit up | https://sites.krieger.jhu.edu/class/ | #NSFfunded
CIEMAT-Física de Partículas @cfp-ciemat.bsky.social Física de partículas y astropartículas, cosmología, y computación científica.
Dpto. de Investigación Básica del CIEMAT (Madrid, España).
phy6cool.ciemat.es
Rafael Bravo Guerraty @rafalafelo.bsky.social Physicist, cosmologist and mountain bike enthusiast 
Walter Riquelme @wolteriquelme.bsky.social Cosmologist. Researcher at ICTP-SAIFR. PhD del IFT Madrid. Chileno.
Eric Bellm @ebellm.bsky.social Astronomer at the University of Washington.
Building time-domain surveys (ZTF & Rubin Observatory) & looking for compact objects in our Galaxy.
Seba Pérez @sebaperez.bsky.social Chilean astrophysicist and Dr/Prof at USACH. Planet formation and young exoplanets. Artsci interplay.
AstroArxiv @astroarxiv.bsky.social 
Prof. Brian Keating @drbriankeating.bsky.social Decoding the cosmos with quirky vids & atomic dad jokes that never bomb • Chancellor's Prof @UCSanDiego • Host of the Into Impossible Podcast. Interviewed 400+🧠Join my 15,000 sub weekly hard STEM newsletter https://BrianKeating.com 
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!
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
Shaun Hotchkiss @justshaun.bsky.social Cosmology, large scale structure, the early universe.
How researchers communicate, to each other and to the world.
http://youtube.com/CosmologyTalks
https://sharingresearch.com/
Marco Bonici @marcobonici.bsky.social PostDoc at the Waterloo Center for Astrophysics. Working on Cosmic Voids and Large Scale Structure of the Universe. JuliaLang enthusiast. Improv Theatre and StandUp comedy lover.
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
Héctor Gil Marín @cosmonautico.bsky.social Associate Professor at the Institute de Ciències del Cosmos at UniBarcelona studying the large scale structure of the Universe 🌌. BOSS, eBOSS and now in DESI 🏜🔭. Sometimes I ride my bike(s)🚵♂️.
Dr. Stéphanie Juneau @stephajuneau.bsky.social Astrophysicist, supermassive black hole hunter, artist, public speaker, français/English/québécois 
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
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
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs
LIGO Scientific Collaboration @ligo.org Official account of the LIGO Scientific Collaboration. We detect gravitational waves!
Email: questions@ligo.org
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
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
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
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)
Walter Max-Moerbeck @walterkmax.bsky.social Astronomer at Universidad de Chile
Astronomy, Engineering, Science, Technology, Science communication and outreach
MMT Observatory @mmtobservatory.bsky.social The MMT Observatory is a 6.5-meter telescope at the summit of Mt. Hopkins, Arizona. The MMT is operated by U. of Arizona and Smithsonian Observatory under a permit from the US Forest Service. Any questions about what we do, just ask! https://www.mmto.org/
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.
DESI Survey @desisurvey.bsky.social The DESI Survey will measure the properties of Dark Energy using a survey of 30+ million galaxy redshifts.
Mathew Madhavacheril @msyriac.bsky.social Asst. Professor at the University of Pennsylvania
Theoretical and computational cosmology
(he/him)
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
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/
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Sean Carroll @seanmcarroll.bsky.social Physics, philosophy, complexity. @jhuartssciences.bsky.social & @sfiscience.bsky.social. Host, #MindscapePodcast. Married to @jenlucpiquant.bsky.social.
Latest books: The Biggest Ideas in the Universe.
https://preposterousuniverse.com/
Jo Dunkley @jdunkley.bsky.social Professor of Physics and Astrophysics at Princeton. Author of Our Universe: An Astronomer's Guide. She/her.
Renée Hlozek @reneehlozek.bsky.social South African cisgender, bisexual woman Assoc. Astrophysics Prof., Rhodes scholar. Feminist scientist. She/her
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
Thomas Sumner @thomassumner.com Science communicator and journalist. Managing editor for @simonsfoundation.org. Formerly Science News Magazine. Science geek, tech lover, Pokémon hunter. Posts my own. He/Him.
https://thomassumner.com
NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Michele Limon @michelelimon.bsky.social Photons collector, boater, nerd. 
Alexandre Adler @bachpropagate.bsky.social Postdoc at UC Berkeley and LBNL working on @simonsobservatory.org . I might work on the Cosmic Microwave Background, but my puns are never reheated.
Atacama Cosmology Telescope @act-pol.bsky.social Investigating the structure and evolution of the universe with the six-meter telescope which observed from 5190 meters elevation on Cerro Toco in northern Chile
Arun Kannawadi @astroarun.bsky.social Physics Faculty @Duke working on cosmology & LSST/Rubin Science pipelines dev. Dog parent & Immigrant. Opinions are my own, and I mostly keep them to myself.
Gabe Lynch @gpxl.bsky.social cosmology phd student 🌳 | cmb and early universe cosmology @ UC Davis | East Bay | son of the midwest | 🚲
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
Simons Foundation @simonsfoundation.org Advancing the frontiers of basic science through grantmaking, research and public engagement. Sign up for our newsletter: simonsfoundation.org/newsletter
Quanta Magazine @quantamagazine.org Illuminating math and science. Supported by the Simons Foundation. 2022 Pulitzer Prize in Explanatory Reporting. www.quantamagazine.org
South Pole Telescope @sptelescope.bsky.social A 10-meter diameter sub-mm wavelength telescope observing the cosmic microwave background from the South Pole, Antarctica.
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
Luca Di Mascolo 🟥 @lucadimascolo.bsky.social SZ-ing the Universe from the Kapteyn Institute 📡
Fourier-space aficionado, dad of a sourdough starter, antifa
Proud co-creator of herakoi 👋🎶
https://lucadimascolo.github.io/
Antonio J. Cuesta @ajcuesta.bsky.social Física de lo grande y lo pequeño en la UCO. In the beginning, the Universe was inflating, and void. ϕ(x) said: 'Let there be reheating', and there was light.
Matt Hilton @matthilton.bsky.social Astrophysics professor at the University of the Witwatersrand, Johannesburg
Simons Observatory @simonsobservatory.org Figuring out some of the mysteries of the Universe from Chile at simonsobservatory.org
Tony Mroczkowski @tonymroczkowski.bsky.social astronomer, submm instrument scientist, AtLAST, ALMA, ACT, GBT/MUSTANG-2, Simons Observatory, CMB-S4
Cristóbal Sifón @csifon.bsky.social Astrophysicist. Dark matter, galaxies and clusters through optical/submm/other wavelengths.
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 🏃♀️🚵🏻♀️🥾
Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Daniel Matamala @matamala.bsky.social Periodista y escritor valdiviano 🇨🇱
Conductor en CHV Noticias.
Video podcast LO QUE IMPORTA
Columnista.
Claire Lamman @clairelamman.bsky.social NSF postdoc at Ohio State, expert in cosmology and procrastibaking
ClaireLamman.com
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
Bluesky @bsky.app official Bluesky account (check username👆)
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