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.
AURA Astronomy @aura-astronomy.bsky.social AURA is a leading organization in developing and operating world-class facilities to deliver forefront #astronomy #science #telescope #astrophysics #NASA #NSF
Astrobot @bot.astronomy.blue Hi! I'm a friendly bot that manages sign-ups to the Astronomy feeds.
You can sign up to the feeds with "@bot.astronomy.blue signup".
I can also tell some bad jokes π
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The Astrosky Ecosystem @astrosky.eco We're building new social media tools for astronomers and astronomy enthusiasts online - from feeds to account hosting.
Website: https://astrosky.eco | GitHub: https://github.com/the-astrosky-ecosystem
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AAS Press Office @press.aas.org Astronomy news curated by the Press Office of the American Astronomical Society. Note: Posting is not endorsing, only informing. aas.org/press Header Image: https://shorturl.at/vb7A1
Physics Today @physicstoday.aip.org The world's most popular physics magazine.
physicstoday.aip.org
Science Sam @samanthayammine.com Science Communicator with a PhD in cell & molecular biology + neuroscience.
ποΈ Host of Curiosity Weekly for Discovery
πΊ Science Expert on CTVβs The Good Stuff
π she/her/ΩΩ
bit.ly/CuriosityWeekly
instagram.com/science.sam
samanthayammine.com
Jason Davis @jasonrdavis.bsky.social I live in Tucson AZ, work in communications for NOIRLab, try to be funny at Tucson Improv Movement, and have two cats, one wife, and one daughter.
NOIRLab @noirlabastro.bsky.social @NSF NOIRLab is the preeminent US national center for ground-based, nighttime optical and infrared astronomy. Para espaΓ±ol siga a
@NOIRLabAstroES
Meredith Rawls @merrdiff.bsky.social Astronomer at UW, data pipeline wrangler for Rubin Observatory, satellite mitigation leader via IAU CPS SatHub, mom, violist, Ballardite (Seattle), family cargo e-bike evangelist, Episcopalian, etc. Opinions all mine
Euclid UK @eucliduk.bsky.social We're the UK-based scientists working on ESAβs Euclid space telescope, on a mission to map the dark Universe! π π
π https://eucliduk.net/rssse.html
Sky & Telescope @skyandtelescope.bsky.social The Essential Guide to Astronomy | We provide the world's leading compendium of information about the science and hobby of astronomy.
Euclid Consortium @ec-euclid.bsky.social Official Consortium of ESA's Euclid mission on the Universe's dark matter, energy & expansion, 15 European countries + USA + CAN + JAP, 2000+ scientists + engineers. Home: https://euclid-ec.org
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.π₯
Same team from Twitter but with more gray hairs. ππ°οΈπ§ͺπ
climate.nasa.gov
they/them
π³οΈβππ«Άπ³οΈββ§οΈ
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.
SPIE @spie.org Welcome to the official account of SPIE, the international society for optics and #photonics. Over the past five years, we have invested over $26M in the international optics community! π‘
Rubin LSST:UK @lsstuk.bsky.social The UK contribution to the NSF-DOE Vera C. Rubin Observatory @vrubinobs.bsky.social Legacy Survey of Space and Time (LSST). https://www.rubin.ac.uk/
Charlotte Olsen, PhD π³οΈβπππ @charlotteeureka.bsky.social Astronomy PhD in NYC - galaxy star formation historian - π³οΈβπthey/sheπ³οΈβπ - LSST DA Catalyst Fellow and part time Adj Prof at CUNY City Tech - books, records, and thrift stores will be my downfall - passionate about all things galaxies, teaching, and LCFC π¦π
Dr Becky Smethurst @drbecky.bsky.social Astrophysicist studying how supermassive black holes affect galaxies (s/h). I get overly enthusiastic about space (and cats) on YouTube: http://www.youtube.com/drbecky
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.
DiRAC Institute @dirac-institute.bsky.social The Institute of Data Intensive Research in Astrophysics and Cosmology (DiRAC) at the University of Washington
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
Sarah HΓΆrst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titanβs biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Dr. Alex Parker @alexparker.bsky.social Exploration scientist, engineer, artist. Building things for space inspired by things in the sea, and things for the sea inspired by space. Discovered a few moons along the way. 
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Loren Grush @lorengrush.bsky.social Space reporter at @bloomberg.com covering NASA, commercial space, and the cosmos | Send tips: LGrush@bloomberg.net | Signal username: lorengrush.56 | Buy my book! https://www.simonandschuster.com/books/The-Six/Loren-Grush/9781982172817
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
sanjana! @sanjanacurtis.bsky.social big fan of stars π»β¨π¦«π³οΈβπ
Amy Rae Hill @amyraehill.bsky.social Ceramic painter bringing dramatic galactic moments to your dinner table. PNW. (she/her)
linktr.ee/amyraehill
Restock: TBD
Cheyenne Polius @cheyennepolius.bsky.social Astrophysicist | Data Analyst | Founder of LUNAA Journeys | Social Media Director for Black In Astro
Dr. Raven the Science Maven @ravenscimaven.bsky.social I'm Raven Baxter, Ph.D. I'm molecular biologist and science educator who loves sharing science with the world! thesciencemaven.com
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Ed Yong is offline @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
π· Canon R6mkii + RF 800mm
Edyong.me
Julianne Dalcanton @dalcantonjd.bsky.social Astrophysicist at the Center for Computational Astrophysics & U. Washington. 
SeΓ‘n Doran @theseaning.bsky.social β¨ π π°οΈ π½οΈ
Monterey Bay Aquarium @montereybayaquarium.org How do you do, fellow squids? π We're your frondly Aquarium with a mission to inspire conservation of the ocean. https://www.montereybayaquarium.org
Dr. Heloise Stevance @sydonahi.bsky.social Astrophysicist - Schmidt A.I. in Science Fellow - Oxford Uni - she/they
Sky surveys
Exploding stars
Hungry black holes
AI Literacy
Beatrice Tinsley Lecturer 2021
Caroline Herschel Prize 2024
hfstevance.com
Shannon Stirone @shannonstirone.bsky.social Writer in nyc. Space nerd. Mars is a Hellhole. Bylines in NYTβs, The Atlantic, Wired, Esquire, Longreads, & others. Anti fascist. Opinions are mine. Climate by day.
signal: shannonstirone.78
https://natureofthings.substack.com/
shannonstirone.com
Prof. Emily Levesque π€β¨ππ @emsque.bsky.social Astronomy professor, author of #TheLastStargazers, weird star enthusiast, human exclamation point.
Swapna Krishna @swapnakrishna.com space reporter. covering Artemis II for NatGeo.
occasionally: national geographic, engadget, fast company, wired, science friday, npr. links: http://bio.site/skrishna
also: Star Trek, Star Wars, knitting, books, parenting
Christine Pulliam @christinepulliam.bsky.social Astronomer. Aviator. Always looking up. Cat mom. Science communicator/media relations at STScI. Views are my own.
Pedro Bernardinelli @pbernardinelli.com Professor of astronomy @ University of SΓ£o Paulo, PhD from Penn, formerly at UW. Discoverer of minor planets and C/2014 UN271, Brazilian, coffee dependent, geek. He/him/ele, pt-br/en
Dra. Junellie Perez @spacejunellie.bsky.social Doctora de Planetas ππ°οΈ
Previously at Johns Hopkins University β¨οΈ
Astronomy Instructor at University of Alabama at Birmingham! β¨οΈ
She/her/ella π Views are my own
Bryce Bolin @brycebolin.bsky.social Research scientist at Eureka, Scientific. Small bodies of the Solar System. Avid paraglider pilot and traveler.
briley lewis @briles34.bsky.social astrophysicist β’ NSF fellow/PhD candidate UCLA (formerly
Columbia undergrad) β’ crafty human β’ dog mom β’ freelance science writer in SciAm SPACE PopSci & Astrobites β’ she/her
Cathrin Machin Space Art @cathrinmachin.bsky.social Space Artist & Telescope Operator π
Grab my 2026 Calendar here π
https://catmachin.com/products/2026-calendar
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanityβs scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
Mireia Montes ππ³οΈβππ³οΈββ§οΈ @mireiamontes.bsky.social Astronomer at ICE-CSIC working on the faintest extragalactic things. Intersectional feminist, dancer, depressed (sometimes) person. She/her. /Mee-ray-yah/ π
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
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
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.
Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social Space archaeologist | Global Expert Group for Sustainable Lunar Activity | Asteroid 551014 Gorman | Dr Space Junk vs the Universe. https://mitpress.mit.edu/9780262539654/dr-space-junk-vs-the-universe/ | Blog https://zoharesque.blogspot.com/
Sophia Gad-Nasr @astropartigirl.bsky.social I do cosmology and astroparticle theory. I pick apart the Universe to figure out how it works. Science Advisor. Dark Matter hunter.
π΅π±β‘οΈπͺπ¬βͺοΈ
CosmicRami π³οΈβππ³οΈββ§οΈ @rami.spaceaustralia.com Astronomer, driving The Dishπ‘ to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him.
Ariel Waldman @arielwaldman.com Antarctic Explorer + Filmmaker.
πΊ Creator + host of LIFE UNEARTHED on PBS
π NatGeo Explorer + NASA advisor
π¬ Often filming tardigrades
π https://arielwaldman.com
Lee Billings @leebillings.bsky.social CHNOPS in ferruginous saline. Multicellular aerobic chemoheterotroph; symbiont of photosynthetic autotrophs. Descendant of stardust; aspiring good ancestor. Senior Editor, Scientific American. Signal: @lee_billings.81
Jennifer Ouellette @jenlucpiquant.bsky.social I cover science and culture at Ars Technica. Former science editor, Gizmodo. Ex-vangelical. Rodeo fan. Married to @seanmcarroll, servant to two cats: Ariel and Caliban. Baltimore, MD. She/her.
Lisa Ballard @basilleaf.bsky.social Web Dev. Free Palestine. She/Her.
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
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
Corey S. Powell @coreyspowell.bsky.social Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
Beth Johnson @planetarypan.bsky.social Planetary scientist, podcast host, cat wrangler. Communication specialist for the SETI Institute. planetarypan.medium.com #WomeninSTEM
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| πΉ
www.tessafisher.com
Words and opinions are my own.
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector. 
NANOGrav PFC @nanograv.bsky.social A NSF-funded Physics Frontiers Center using pulsars to search for low-frequency gravitational waves! They/Them/Theirs
Dr. Kiki @drkiki.bsky.social Longtime podcaster, science communicator, birdbrain expert, curious person trying to be kind & spread joy.
This Week in Science podcast (TWIS.org)
https://kirstensanford.com
Signal: If you know me, find me there. Let's talk.
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/
Dr. Rebecca Larson @saturnswings.bsky.social Ph.D. Astrophysics | U.S. Air Force Veteran | www.saturnswings.com
DisabledInSTEM @disabledinstem.bsky.social We are here to affirm that you DO belong in STEM! This is a safe space for people with disabilities in STEM to connect. Contact: disabledinstem@gmail.com
Summer β¨ @sumrtime.bsky.social Huge fan of space, both personal and outer.
Astrophysicist π«
Scicommer βοΈ
Space Cadet π
Lunatic π
TBTL10 π»
summerash.com
Ed Rivera-ValentΓn @planettreky.bsky.social Planetary Scientist & Trekker of Planets.
#LatinxInSTEM π΅π· #LGBTQinSTEM π³οΈβπ.
My posts, my views.
Astronomy Cast @astronomycast.com Take a facts-based journey through the cosmos and discover how we know what we know. With hosts Fraser Cain and Dr. Pamela Gay. Recorded live on YouTube.
CosmoQuest @cosmoquest.org Explore our universe. Map other worlds. Put science in your brain. Home to Escape Velocity Space News, AstronomyCast, 365 Days of Astronomy. Support indie science journalism & community science at patreon.cosmoquest.org
Mike Brown @plutokiller.com Astronomer, planet hunter, Pluto killer, bear whisperer, finger-wrapped dad. Dangerous secularist. Foot soldier in the War on Cars. He/him.
mikebrown.caltech.edu
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. π±π§πΊπΈπ³οΈβπ
Signal: nadiadrake.01
Dr. Laci Brock πͺ @stellerarts.com β¨ science meets art
π planetary astro PhD + artist
π¨ space-inspired paintings & sci comm
πͺΆ bird nerd β’ gamer β’ cloud watcher
β¬οΈ art shop, email list, contact
https://stellerarts.com/collections/minis
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
NPR @npr.org This is NPR ποΈ
Randall Munroe @xkcd.com 
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). PΔkehΔ; she
Kat Volk @katvolk.bsky.social Planetary scientist, equestrian, and cat herder. Cat posts at: https://bsky.app/profile/katskitties.bsky.social
Dr. Moiya McTier @goastromo.bsky.social βGenuinely funny astrophysicistβ
βArtemis reincarnatedβ
βI want to be her when I grow upβ
order MOTHERS OF INVENTION πΊ
moiyamctier.com/muses
Daniel | ScienceSocks et al. @sciencesocks.bsky.social Orbit in style with science socks, space jewelry, and beyond. Stellar gifts for scientists, engineers, and astronomy lovers.
ScienceSocks.co
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
Emily Lakdawalla π³οΈββ§οΈ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out itβs hard to be all those things at once. Shop at elakdawalla.Etsy.com
Beth Willman @bethwillman.bsky.social LSST Discovery Alliance, CEO
Caltech @caltech.edu The California Institute of Technology aims to expand human knowledge and benefit society through research integrated with education.
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
π³οΈβπ π³οΈββ§οΈ (she/her), β
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Astronomy Picture of the Day πͺ @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
πππ©βππ πͺ
π: https://galaxy.nora-bailey.com/linktree
Jackie Barrientes @barrientes.bsky.social Social Media Specialist - Space Telescopes, Digital Audience Strategist, UNTx/AzSU alum, knitter, wine/bourbon drinker, Texas native, Baltimore π²π½πΊπΈ
Unitedstatesofwine.blog
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanityβs quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
Dr. Jessie Christiansen @aussiastronomer.bsky.social Caltech/IPAC Planet Hunter | Chief Scientist, NASA Exoplanet Science Institute | @TEDFellow | Science consultant | SHERA PI | My views are not the views of NASA | She/her
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu