Clare Burrage @clareburrage.bsky.social Cosmologist at the University of Nottingham
Philip Ball @philipcball.bsky.social Science writer and author of books including Bright Earth, The Music Instinct, Beyond Weird, How Life Works.
Kimberly Cartier @astrokimcartier.bsky.social Senior Science Reporter for @eos.org at the American Geophysical Union, former astronomer who still loves all things space. Posts reflect my own views. Signal: kstar.20 She/her ๐ณ๏ธโ๐โก๏ธ
Eos @eos.org Eos is a leading source for trustworthy news and perspectives about the Earth and space sciences and their impact. Published by the American Geophysical Union (@agu.org).
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Keith Cooper @keithpcooper.bsky.social Science journalist; author of The Contact Paradox (Bloomsbury Sigma, 2019) and Amazing Worlds of Science Fiction and Science Fact (Reaktion Books, 2025), which was selected for the Locus 2025 Recommended Reading List.
Graham Lau @cosmobiologist.bsky.social Astrobiologist, communicator of science, orator, musician, meditation guide, fan of sci-fi, singer of forgotten songs.
Dave @davejeeping.bsky.social ๐
Blue Marble Space @bluemarblespace.bsky.social We are an international community engaged in building a sustainable future and nurturing scientific interest among the public. Our mission is to explore life as a universal phenomenon and empower the next generation of scientists.
Tony Lang @proftonylang.bsky.social International Political Theory; University of St Andrews; Golfer
Owen Maresh @graveolens.bsky.social Mathematics Sorceror (sensory alchemist) at the Arctangent Transpetroglyphics Algra Laboratory (ATAL), I transflarnx mathematics into living rainbows. http://owen.maresh.info https://github.com/graveolensa,
Psoepbe-Tlaxtlal; (an undreamt splendour?)
Bergische Universitรคt Wuppertal @uni-wuppertal.bsky.social Aktuelles aus Forschung und Lehre der Bergischen Universitรคt Wuppertal. #buw
Pauli Laine @paulaine.bsky.social 
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
Guy Watkins @guywatkins.bsky.social ๐ช MPhys Astrophysics with Space Science student at The Open University.
๐ช Aspiring astrobiologist/planetary scientist. FRAS.
๐ช http://guywatkins.space
๐ Novice trail runner
๐ PLUR
Dr Ryan MacDonald @distantworlds.space Lecturer in Extrasolar Planets ๐ช ๐ญ at the University of St Andrews ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ
Universe Today @universetoday.com The official feed for the Universe Today website: universetoday.com. Published by @fcain.universetoday.com
Daliah Bibas @daliahbibas.bsky.social Doctoral Scholar Researching Extraterrestrial and Artificial Intelligence | MSc Astrobio | BSc Biology |
Canadian ๐จ๐ฆ studying in Belgium ๐ง๐ช
โก๏ธ ๐ญ ๐ฐ ๐จ ๐ณ๏ธโ๐ ๐ง๐ผโโ๏ธ ๐ฑ ๐ธ โ๏ธ
https://beacons.ai/daliahbibas
@drjonre.bsky.social @drjonre.bsky.social 
UKspace @ukspace.bsky.social UKspace is the official trade association of the UK space industry, representing our members' interests and supporting them in developing their businesses, and promoting space to government and other key stakeholders. https://ukspace.org
UK Space Agency @ukspaceagency.bsky.social We boost UK prosperity, understand the Universe, and protect our planet and outer space. gov.uk/ukspaceagency.
The Astro Society @astrosociety.org The Astro Society promotes science and literacy via resources and programs that uplift community engagement through the awe and wonder of space. Founded in 1889 as the Astronomical Society of the Pacific, we are the oldest astro society in the U.S.
Laura Martin @laura-martin.bsky.social Freelance science writer ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ. #Space #Astronomy #STEM ๐ ๐ ๐ณ๏ธโ๐
bio.link/lauramartin
Declan @sholingdex.bsky.social โMatureโ student at the OU studying astronomy โweโre all in the gutter but some of us are looking at starsโ
#SaintsFC fan, lager enthusiast
๐ฎ๐ช ๐ต๐ธ
Slava Ukraini ๐บ๐ฆ
Adam Toon @adamtoonphilos.bsky.social Director of Egenis, the Centre for the Study of Life Sciences. Associate Professor of Philosophy, University of Exeter. Author of Mind as Metaphor (OUP, 2023) and Models as Make-Believe (Palgrave, 2012).
Dr. Chenoa D. Tremblay @chenoachem.bsky.social Astrophysics...Astrochemistry...SETI...Computing...Geochemistry... Research and Development...Mom...Gamer..opinions my own.
David Grinspoon @drfunkyspoon.bsky.social Astrobiologist, Author, Musician. ๐ฝ๐ธโค๏ธ๐
Sagan Medalist, PEN winner, AAAS fellow.
Former Senior Scientist for Astrobiology Strategy at NASA.
Thereโs an asteroid named after me (22410 Grinspoon) which is better than having one with your name on itโฆ
Erika Nesvold @erikanesvold.com Space & ethics: Cofounder of JustSpace Alliance, Astrophysics Engineer at Universe Sandbox, Author of Off-Earth: Ethical Questions and Quandaries for Living in Outer Space
Astro Ecologies @astroecologies.bsky.social The Astro Ecologies Institute explores ecologies, technologies and relations between earth and outer space in the second space age https://astroecologies.org
Maria Clara @fantasticplanets.bsky.social Amateur astronomer, sci-fi lover, STEM, art lover.
More women in science.
Working on my PhD
#transrightsarehumanrights
#loveistheanswer
#BLM
#landback
The Twin Dome @timfife.bsky.social An old observatory at the University of St Andrews without a telescope but with a new life where science and art combine
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
Michael Wong @miquai.bsky.social Planetary scientist by day ๐ช podcaster by night ๐ photographer at all times ๐ท philosopher in my dreams ๐ญ https://miquai.myportfolio.com/
James Fawcett-Newell @james4cet.bsky.social Astronomy & Public Engagement | Coordinating outreach for the Euclid mission in the UK ๐ฐ๏ธ ๐ญโ๏ธ | he/him
Dan Falk @danfalk.bsky.social Hi! I write about #science for Smithsonian, Discover, Quanta, Nautilus, Undark, National Geographic, CBC Radio, & many other outlets. Books include The Science of Shakespeare and In Search of Time. Co-host of BookLab podcast. ๐ญ๐ชโญ๏ธโ๏ธ
Peter Laursen @anisotropela.bsky.social Astrophysicist/#scicomm'er at the Cosmic Dawn Center (NBI/UCPH), admirer of galaxies, amateur boxer, and appreciator of comic books, indiepop, and white chocolate.
Emilio Monelli @monel76.bsky.social Astronomy , Aerospace , Computer , Videogames , Retrogames , Sci-Fi , 80-90 , Old school nerd
Gabriel Finkelstein @gabrielfinkelstein.bsky.social Historian of neuroscience, modern Europe, and history.
Currently working on โScientific History,โ a study of Buckle, Taine, and du Bois-Reymond.
https://ucdenver.academia.edu/GabrielFinkelstein #histsci #histSTM
Kavli Institute for Theoretical Physics @kitp-ucsb.bsky.social At KITP on the UC Santa Barbara campus, researchers in theoretical physics and allied fields collaborate on questions at the leading edges of science.
www.kitp.ucsb.edu
Rita Tojeiro @ritatojeiro.bsky.social Astrophysicist at the University of St Andrews. I like to think about large scale structure, galaxies, inclusive pedagogy, and higher education. I also like cake, chips, running, and Pearl Jam.
http://ritatojeiro.co.uk
University of St Andrews @uniofstandrews.bsky.social Scotland's first university. Founded 1413.
Useful links: hootbio.com/www.st-andrews.ac.uk
#EverToExcel
Matthew Whiting @redqso.bsky.social Astronomer, ASKAP pipelines, Galaxy finding, Infrequent posting
Dr. Michele L. Silverstein (she/her/hers) @silverstronomy.bsky.social โญ PhD Astronomer. Seeking a new role in astro or as a data analyst or project manager. Open to a variety of career directions. โญ
Low-mass stars, exoplanets, & observational astronomy at NASA, Navy.
https://www.linkedin.com/in/michele-silverstein-48089337
Ingrid Stairs @ingridhstairs.bsky.social Pulsars and other fun stuff. And some Canadian politics.
Emma Alexander @astronemma.bsky.social Research Fellow in Astrophysics @ the University of Leeds. Interested in all things Radio Astronomy! Currently working on Galactic filaments. Owned by two dogs, two cats, and two guinea pigs. ๐ถ๐ฑ๐น Will post both science and personal. She/her
Dr. Lisa Locke ๐จ๐ฆ @janskygirl.bsky.social ๐ก Antennas, cool science, cows & animals. Sourdough, baking, crocheting. Dr = PhD in electrical engineering. Swiftie. Anything with sparkles. Bradbury. JPL's Deep Space Network๐ ๐ก๐ก๐ก๐. VE6LSW. Radio astronomy. Croutonia! ๐ Moo SDV ๐ณ๏ธโ๐#NWT ๐จ๐ฆ
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.
CosmicRami ๐ณ๏ธโ๐๐ณ๏ธโโง๏ธ @rami.spaceaustralia.com Astronomer, driving The Dish๐ก 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.
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
Nicole Gugliucci ๐๐ญ๐ฆท DRAGONCON @noisyastronomer.com Physics professor, astronomer, educator, science communicator in NH, US. Lover of dogs, spec-fic, weights, and good trouble. She/they.
Opinions my own. RTsโ endorsements. Most older posts auto-delete.
I swear a lot.
https://bio.link/noisyastronomer
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
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
โ๏ธ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
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
Linn Boldt-Christmas @nplinnspace.bsky.social ๐ธ๐ช๐๐ช๐บ Astrophysicist in exoplanet science & space policy research ๐ช๐ญ Also: astrobiology, telescopes, climate, equality/EDI, and scicomm โจ (she/her) โ linnboldtchristmas.wordpress.com
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
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
๐ก VLA, ALMA, VLBA, GBT, ngVLA
๐ public.nrao.edu
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/
Kat Troche @kuiperkat.org Professional amateur astronomer with astrosociety.org + aaa.org ๐ซ
Emmy + Webby winner ๐
Have scope, will travel ๐ญ
Opinions are my own ๐ฉ๐ปโ๐ป
linktr.ee/kuiperkat
Dr. Caitlin Ahrens @ahrensscience.bsky.social Planetary scientist, lunar exploration and sustainability policy. Lunar architecture and risk analysis nerd! UMD-CRESST-II Asst. Research Scientist at NASA GSFC. Science Outreach! Ten Outstanding Young Americans 2018. WVU alum. Views are my own.
Remi Free ๐ Space Engineer @astroremi.bsky.social Mars rovers engineer & nature enthusiast
All opinions are my own
Jarita Holbrook @astroholbrook.bsky.social Indigenous/Cultural Astronomy, Science & Technology Studies, Documentary Filmmaker 
Mariam Naseem @spacenaseem.bsky.social ๐#SPACE for ALL ๐
๐ชPlanetary Geo PhD @univofmaryland
๐งฌSciComm scholar @bluemarblespace
๐ฉ๐ผโ๐Aspiring Spacewalker
๐ฉโโ๏ธPilot
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Chanda Prescod-Weinstein ๐ @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. ๐ณ๏ธโ๐/agender/woman.
Posts by/for me๐๐ฝ
Beth Johnson @planetarypan.bsky.social Planetary scientist, podcast host, cat wrangler. Communication specialist for the SETI Institute. planetarypan.medium.com #WomeninSTEM
Georgia E. Brown @astrobiologee.bsky.social PhD - Space governance and Astrobiology โจ๐ช๐ฐ๏ธ (@northumbriauni ๐ฌ๐ง)
Intrigued by the potential of life beyond the cosmic coastline and legal implications ๐ฉโ๐๐ฝ๐ธ
Karen Masters @karenlmasters.bsky.social Prof. of Astronomy and Physics, Haverford College. PI of Galaxy Zoo. Radio astronomer. Check out my latest book โThe Astronomers Libraryโ about books, libraries and astronomy - three of my favourite things. Brit/US.
@christiannby.bsky.social @christiannby.bsky.social Photomicrographer, Dipl.Biol, MSc,. Olympus BH2 sonst nix.
https://www.flickr.com/photos/mrsansibar/
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! ๐งฌ๐งช๐
Donate here: https://bit.ly/SUFS_GIVING
Learn more โฌ๏ธ
https://linktr.ee/standupforscience_bluesky
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| ๐น
www.tessafisher.com
Words and opinions are my own.
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.๐ก
www.nature.com/natastron
Lewis Dartnell @lewisdartnell.bsky.social Prof., astrobiology researcher, science communicator & book author (http://beinghumanbook.org / http://originsbook.com / http://the-knowledge.org)
Diverse Intelligences Summer Institute #DISI @divintelligence.bsky.social Fostering interdisciplinary collaboration among scholars and storytellers interested in the origins, nature, and future of intelligences.
Web: www.disi.org
Podcast: Many Minds (@manymindspod.bsky.social)
Rebecca Charbonneau @rebeccacharbon.bsky.social Historian of Science at The American Institute of Physics. Adjunct Asst Scientist at the National Radio Astronomy Observatory, Research Fellow at the SETI Institute. Author of Mixed Signals: Alien Communication Across the Iron Curtain.
Jason Wright @astrowright.bsky.social Professor of Astronomy and Astrophysics at Penn State.
Son, father, partner, scientist, teacher, student, human, Earthling.
Mostly posting astronomy. Mostly.
James Davenport @jradavenport.com Astronomy professor in Seattle. Coffee drinking, year-round-plaid wearing, joke telling space dad. Searching for ET, caring for humans.
https://jradavenport.github.io
๐ญโ๏ธ๐ค
Fred Scharmen @sevensixfive.bsky.social Nearsighted Optimist.
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Committee on Space Research @cospar.bsky.social COSPAR aims to promote international space research and to provide a forum, open to all scientists, for the discussion of what may affect the field.
David Delgado Shorter @davidshorter.bsky.social Professor, UCLA. Editor-in-Chief, American Indian Culture and Research Journal. Curator, settler on Tongva land, Digital Publisher, Science of the Paranormal, colonialisms, including extra-terrestrialilty. Www.davidshorter.com
Ellie Armstrong @ellietheelement.bsky.social I am Space Research Fellow at University of Leicester (UK). Founding the Constellations Lab for feminist social studies of outer space.
Prev: PDRA @ UStockholm (SE), UDel (USA); PhD @ UCL.
https://ellietheelement.squarespace.com
Adam Frank @adamfrank4.bsky.social Astrophysicist. Author of The Little Book of Aliens. Stuff shows up at The Atlantic, NYTimes, Big Think, etc. The Ramones, the Mets and lots of video games.
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanityโs quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
Daniel Brady Mills @danbmills.bsky.social Lecturer in Biosphere-Geosphere Interactions, University of Leeds
www.danielbradymills.com
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. ๐ฑ๐ง๐บ๐ธ๐ณ๏ธโ๐
Signal: nadiadrake.01
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.
Dr. Macy Huston @mhuston.bsky.social astronomy postdoc @ uc berkeley | gravitational microlenser | they/them
Space Archaeology @spacearchaeology.bsky.social Space archaeology, xenoarchaeology, exoarchaeology, aviation archaeology, aerospace archaeology, space heritage, technosignatures, SETT, SETA, SETI, science fiction, [NB: uses Amazon affiliate links]
Jenn Macalady @jmacalad.bsky.social Scientist, caver, astrobiologist, microbe hunter, parent, parlo italiano ๐ฎ๐น, she/hers #geomicrobiology @BanfieldLab #soil @ucdavis #geology and #soccer @CarletonCollege
Prof. Abel Mรฉndez @profabelmendez.bsky.social Planetary Astrobiologist and Director of the
@PlanetaryHabLab. http://astrodon.social/@profabelmendez #exoplanets #astrobiology #habitability
Emma Johanna Puranen @spacesword.bsky.social Dr Sci-Fi | Exoplanets & Astrobiology Ethics | Postdoc at the OU | Proud immigrant | Fond of Antarctica | Podcaster | Too interdisciplinary to function | she/her- P Kurt Mills @profkurtmills.bsky.social (Ret.) Prof. of IR & Human Rights. Visiting Scholar @StAndrewsIR. ORCID profile: bit.ly/orcidKM Book: bit.ly/R2P3Africa
Eamonn Kerins @eamonnkerins.bsky.social Jodrell Bank astrophysicist and exoplanet scientist. Swimmer, cyclist, runner. Sometimes all three consecutively. Occasional BBC TV space pundit. Prone to career-threatening scicomm and fundraising activities. Own views. https://linktr.ee/eamonn_kerins
Martin Dominik @everfurther.bsky.social Reader in Phys & Astro @ Univ St Andrews โ Co-Director, Centre for Exoplanet Science (StA-CES) โ Past President of NoRCEL โ Alumnus of the Global Young Academy (GYA)
Hannah Little @hanachronism.bsky.social Lecturer @University of Liverpool. Director @Open Rights Group. SETI Post-Contact hub. Science Communication researcher and practitioner. Alien Linguist (Rep. Alex Cochran). Linguist. Comedian. Data Rights Advocate. Writer. Socialist. Trade Unionist.