Hilding Neilson @astrojipjawej.bsky.social St. John’s #yyt, Mi’kmaw, astronomer at #munl, trying to understand stars and their stories. Indigenizing astronomy and STEM. views are my own. He/him. hildingneilson.com
Lunar and Planetary Institute @lpitoday.bsky.social Provides support services to NASA and the planetary science community and conducts planetary science research.
Captain Janeway's Delta Quadrant Voyager-Core @capt-janeway-dqvc.bsky.social She/Her, Theatre Professor, Actor/Director, Musician, Redhead, Neurodivergent
Lighthearted Star Trek posts - esp. Voyager and Prodigy - plus Doctor Who, Theatre, & More. Let's chat over coffee & share a little kindness!
https://linktr.ee/Capt_Janeway_DQVC
Jennifer L. Hoffman ✨😷 @astroprofhoff.bsky.social Astronomer, professor, birder, singer, cat communer (she/her)
University of Denver, @chamberlin-obs.bsky.social
Past Grand Canyon Astronomer in Residence
Dr./Prof. Cara Battersby @battersbot.bsky.social Astrophysicist, educator, and mama who likes to play outside. Low-key vibes, fancy degrees. I believe that which unites us is greater than that which divides us, so let's find common ground. Associate Professor at UConn, views my own.
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Kelly Hereid @kellyhereid.bsky.social Climate scientist, geologist, and catastrophe modeler, Liberty Mutual. Posts on all things hurricane, wildfire, flood, earthquake, tornado. Sassy takes are mine not employer's.
📍Oakland, CA
Website: hereidk.strikingly.com
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
SNOLAB @snolabscience.bsky.social Canada's deep underground science lab. Celebrating research, innovation, and the people behind it.
Prof. Josep M. Trigo-Rodríguez @joseptrigo.bsky.social Astrophysicist and science writer. My ongoing research lines include: Meteoritics, primordial planetary system materials, their physico-chemical properties, transport of volatiles to planets, planetary atmospheres and astrobiology. Saganist
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
Astronomical Society of Edinburgh @astronomyedinburgh.bsky.social We love sharing our passion for astronomy. We've been holding meetings in Edinburgh since 1924. Come to one of our meetings, in person or online - visitors are always welcome.
#astronomyedinburgh #edinburgh #scotland
www.astronomyedinburgh.org
AltSpaceForce 🚀🇺🇲 @altspaceforce.altgov.info Boldly going where no Jedi has beamed before. Earth is our spaceship.
#AltGov
Resident of the Pale Blue Dot! @kycolonelclark.bsky.social Reason & evidence-based reality is the way to go. Question what you think you know. Laugh, be kind - join in and enjoy the show!
Humanist-Nullius in verba. USMC vet, FCD #KeepStateandChurchSeparate 🇨🇦 🇺🇦 🇩🇰 🇬🇱
Robin Edgar @robinedgar59.bsky.social "Retired" professional photographer and "Cultural Eclipsologist" researching how eclipses, especially total solar eclipses, influenced ancient humanity's religious beliefs and iconography. Look for my #Eclipsology hashtag. 
Caitlin Kelly @caitlinkelly.bsky.social Senior editor at ProPublica.
Association of University Presses @aupresses.bsky.social A global community of publishers whose mission is to ensure academic excellence and cultivate knowledge. Read UP! https://aupresses.org/ Got a question about university press publishing? Ask UP! https://ask.up.hcommons.org/
Colin Carlson @colincarlson.bsky.social Climate change, global health security, science diplomacy, and good bad futures • Yale • carlsonlab.bio • viralemergence.org • he/they
Jaweed Kaleem @jaweedkaleem.bsky.social Reporter, Los Angeles Times. I cover the University of California and more in higher and K-12 education. Former national and foreign correspondent. Big fan of reporting on religion. Based in Los Angeles.
Rudy Molinek @rudymolinek.bsky.social Geologist, podcaster, and writer. Host of the Under Our Feet podcast (uofpod.org). 2024 NASEM/Schmidt Sciences award for Science Communication Excellence Winner
frmolinek.com
Sam Jones, PhD @samjscience.bsky.social science journo • 🎙️executive producer & cohost acs.org/tinymatters • words, pod, videos at sjoneswriting.com • all views mine • she/her/hers
Marshall Shepherd @drshepherd2013.bsky.social Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
Jackie Flynn Mogensen @jackiefmogensen.bsky.social Breaking news reporter at Scientific American (she/her) | Contact me on Signal: @jackiefmogensen.01 | www.jackiefmogensen.com
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Yvette Cabrera @ycabreraoc.bsky.social 2025-2026 Knight Science Journalism Fellow at MIT; Climate & environmental justice reporter; 2024 Ted Talks speaker; NAHJ immediate past president; Uproot Project founding member. https://publicintegrity.org/author/ycabrerapublicintegrity-org/
Jessica Kendall-Bar @jkendallbar.bsky.social Scientist, illustrator, & animator, combining art & science to study the incredible behaviors of extreme divers. Website: jessiekb.com
Scripps Postdoctoral Scholar
@UCSD; PhD @UCSC
Sofia Quaglia @sofiaquagliajourno.bsky.social Award-winning journalist covering all things science and nature, and how we talk about them. Work in New York Times, National Geographic, The Guardian, New Scientist & more... (she/her) website: sofiaquaglia.com
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| 🌹
www.tessafisher.com
Words and opinions are my own.
Robert Picardo @robertpicardo.bsky.social Actor, collectible, Planetary Society Board Member and AI since the 90s .
Dr Surekha Davies, Historical Monster Consultant (she/her) @drsurekhadavies.bsky.social Historian of science, art, & ideas 🗃
Words: Smithsonian, LA Times, TLS, Aeon, Nature, Science.
Author: HUMANS: A MONSTROUS HISTORY
www.surekhadavies.org
Newsletter: https://buttondown.com/surekhadavies?tag=bluesky
Speaker bureau: Chartwell Speakers
COmpton Spectrometer & Imager @cosi-explorer.bsky.social COSI (Compton Spectrometer and Imager) is a NASA Small Explorer satellite mission to study the gamma-ray sky planned for launch on a Falcon 9 rocket in 2027. cosi.ssl.berkeley.edu
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
New Scientist @newscientist.com The best place to find out what’s new in science – and why it matters.
ARC Dark Matter Centre @darkmatteraus.bsky.social The ARC Centre of Excellence for Dark Matter Particle Physics brings together experts from across Australia and internationally to unlock the secrets of dark matter and foster the science and engineering leaders of the future.
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.
Erin Biba @erinbiba.bsky.social She/Her
Freelance Science Journalist. Fact Checker.
NatGeo, BBC, SciAm, NBC News, PopSci, WIRED, and others.
Hire me to fact check your book.
I post about Jewish stuff, disability, Star Trek, and The Buffalo Bills.
Jersey girl.
Ariel Waldman @arielwaldman.com Antarctic Explorer + Filmmaker.
📺 Creator + host of LIFE UNEARTHED on PBS
🚀 NatGeo Explorer + NASA advisor
🔬 Often filming tardigrades
🔗 https://arielwaldman.com
George Musser @georgemusser.com contributing editor, Scientific American, Nautilus; contributing writer, Quanta; author, Putting Ourselves Back in the Equation, Spooky Action at a Distance, Complete Idiot’s Guide to String Theory; planetary scientist, local historian, bassist, salsero
Dr. Emily Gilbert @emdwarf.bsky.social Staff scientist at Caltech/IPAC, working on the NASA Exoplanet Archive, and studying small stars and planets. But you’ll mostly find baseball and snark here, with occasional scientific interruptions.
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
Nora's Guide to the Galaxy @ngttg.bsky.social I love space!
PhD, Astrophysics
SFF Author
🚀🌌👩🚀🌠🪐
🔗: https://galaxy.nora-bailey.com/linktree
Tara Murphy @taramurphy.bsky.social Professor and Head of School of Physics at the University of Sydney. Radio astronomer looking for transients and gravitational wave events. OzGrav CI. Teaching physics and the apocalypse. https://taramurphy.github.io
Views expressed here are my own :)
Beth Johnson @planetarypan.bsky.social Planetary scientist, podcast host, cat wrangler. Communication specialist for the SETI Institute. planetarypan.medium.com #WomeninSTEM
Paul Cornish @paulgcornish.bsky.social Science communicator, writer, village scallywag, blackguard of the neighbourhood. he/him
paulgcornish.weebly.com
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. 🔭🪐⭐️⚛️
Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector. 
August (Gus) Muench @augustfly.bsky.social data editor in New Haven; tree/bird/sky watcher; former Bostonian/Floridian/IR Astronomer
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/
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
Dr. Rebecca Larson @saturnswings.bsky.social Ph.D. Astrophysics | U.S. Air Force Veteran | www.saturnswings.com
Ed Rivera-Valentín @planettreky.bsky.social Planetary Scientist & Trekker of Planets.
#LatinxInSTEM 🇵🇷 #LGBTQinSTEM 🏳️🌈.
My posts, my views.
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
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com
Nadia Drake @nadiadrake.bsky.social Science journalist, champagneophile, nap champ. Currently freelance, formerly National Geographic. 🇱🇧🇺🇸🏳️🌈
Signal: nadiadrake.01
NPR @npr.org This is NPR 🎙️
Mary Robinette Kowal @maryrobinettekowal.com Hugo, Nebula, and Locus Award-winning and USA Today best-selling author, narrator, and professional puppeteer. Also has a talking cat. Latest title: Apprehension.
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
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 “Genuinely funny astrophysicist”
“Artemis reincarnated”
“I want to be her when I grow up”
order MOTHERS OF INVENTION 🏺
moiyamctier.com/muses
Monterey Bay Aquarium @montereybayaquarium.org How do you do, fellow squids? 🌊 We're your frondly Aquarium with a mission to inspire conservation of the ocean. https://www.montereybayaquarium.org
Melissa Sevigny @melissasevigny.bsky.social Science journalist in Flagstaff, Arizona. Author of Brave the Wild River (WW Norton, 2023), Mythical River, and Under Desert Skies. I write about science, nature, rivers, space. Trekkie! www.melissasevigny.com
Stephanie Pappas @sipappas.bsky.social Freelance science writer - Scientific American, Live Science, APA. I will be on my deathbed still looking up whether it's "Proceedings of the National Academies of Science" or "Proceedings of the National Academy of Sciences" 
Astrobonology @astrobonology.bsky.social Postdoc at NASAJPL in the OHLlab | PhD from UNSW '22 | organics in hydrothermal environments | education, equity and outreach | Precambrian geology | Aussie in California | ND | she/her
Sciworthy By Blue Marble Space @sciworthy.bsky.social Science articles for knowledge seekers, free from ads and bias. www.sciworthy.com #SciComm #SciNews
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.com/
Dr. Lisa Locke 🇨🇦 @janskygirl.bsky.social 📡 Antennas, cool science, cows & animals. Sourdough, baking, crocheting. Dr = PhD in electrical engineering. Swiftie. Anything with sparkles. Bradbury. JPL's Deep Space Network🌏 📡📡📡🌌. VE6LSW. Radio astronomy. Croutonia! 🐄 Moo 🏳️🌈#NWT 🇨🇦
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)
IAU GA 2024 @astronomy2024.bsky.social The General Assembly of the International Astronomical Union is coming to the African continent for the first time - Cape Town 2024. #ItsTimeForAfrica
astronomy2024.org
Caltech @caltech.edu The California Institute of Technology aims to expand human knowledge and benefit society through research integrated with education.
California Academy of Sciences @calacademy.bsky.social Natural history museum, research institute, aquarium, planetarium, rainforest, & so much more — all under one living roof.
Dr. Sarah Biddle Leslie (they/she) @extragalactic.bsky.social Astronomer posting space art.
Instagram: @Fashionableastronomy
🏳️🌈🇦🇺
Dr. Chenoa D. Tremblay @chenoachem.bsky.social Astrophysics...Astrochemistry...SETI...Computing...Geochemistry... Research and Development...Mom...Gamer..opinions my own.
EarthSky @earthskyscience.bsky.social Updates on your cosmos and world.
Paul M Smith @paulmsmithphoto.bsky.social Photographer. Citizen science. Nature lover. Night sky and storm chaser.
Jessica Lu @jluastro.bsky.social Astrophysicist, Associate Professor @UCBerkeley. Interested in black holes, stars, galactic centers, astronomy instrumentation, adaptive optics.
Meenakshi Wadhwa @minwadhwa.bsky.social Director, Scripps Inst. Oceanography & Vice Chancellor, UC San Diego. Opinions are my own.
Zach Weinersmith @zachweinersmith.bsky.social New Book out this summer: Sawyer Lee and the Quest to Just Stay Home.
Other things of mine: Bea Wolf, A City on Mars, and SMBC
Website: www.smbc-comics.com
Patreon: https://www.patreon.com/ZachWeinersmith?ty=h
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
Emma Louden @exoplanetemma.bsky.social Spreading practical hope with the stars 💫🌎
Astrophysicist | Strategist | Speaker
President of Slooh
Dr. Emily Rickman @astrorickman.bsky.social Astrophysicist - European Space Agency/STScI 🇪🇺🇺🇸 Direct Imaging Exoplanets & Brown Dwarfs✨🇬🇧🇦🇺🇨🇭🏳️🌈 she/they
Sara Pratt @geosciencesara.bsky.social Science communications specialist at @laspatcu.bsky.social, the Laboratory for Atmospheric and Space Physics at the University of Colorado Boulder (LASP). Previously: science writer/editor at NASA Earth, EARTH & Discover. Posts are my own. She/her
Dr Elodie Chabrol @eloscicomm.bsky.social Ex-researcher turned science communicator #scicomm, cat mom
🧠🧬Neurogenetics PhD
🦄 Director @pintofscience.fr & @pintsworld.bsky.social
🎙️ @souslablouse.bsky.social, Scimple & Under the lab coat
Speaks English & Français
+🐱📷⛰️
🔗 https://www.elodiechabrol.com
Dan Wilkins @danwilkins.bsky.social Astrophysicist, black hole scientist and science communicator. Research Assistant Professor of Astronomy at The Ohio State University. Amateur photographer, rower and avid traveller. He/him 🏳️🌈
Sara Imari Walker @saraimari.bsky.social Professor @ASU @sfiscience
Dr. Tanya Harrison @tanyaofmars.bsky.social “Very Respected Science Person” -NBC News
🔴 Former science operations for NASA Mars missions
🛰️ Current space sector strategist & author advocating for Earth
🌎 Based in Ottawa but often found on a train
✨🇨🇦🏳️🌈✨
🌬D a y d r e a m Astro 🌈⃤ @daydreamastro.bsky.social Panellist on Space Oddities. Take pictures of space stuff.
✏️Writer & Council member for SPA
🏅Winner of RAS award : Royal Astronomical Society
🍎Teacher
💍 wife 🍼mummy
Staring at the sky, come back and pick me up 👽 🛸
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
✉️ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
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.
Graham Lau @cosmobiologist.bsky.social Astrobiologist, communicator of science, orator, musician, meditation guide, fan of sci-fi, singer of forgotten songs.
UArizona Lunar and Planetary Laboratory @uarizonalpl.bsky.social The Lunar and Planetary Laboratory at the University of Arizona in Tucson.
AstroHyde @astrohyde.mastodon.social.ap.brid.gy Director, Allan I Carswell Observatory, Associate Prof @ YorkU Toronto, Astrophys Data Science Telescope person. Operating in-above the cloud. prof/dr. she/her […]
🌉 bridged from ⁂ https://mastodon.social/@AstroHyde, follow @ap.brid.gy to interact
Night Lights @nightlights.bsky.social Adrien Mauduit 🇫🇷🏳️🌈 Aurora chasing specialist & consultant • Professional nature cinematographer • Astrophotographer - For content licensing contact us at https://linktr.ee/nightlightsfilms
Jamie L. Molaro @spacejammie.bsky.social Planetary Scientist, Artist, Musician, D&D Nerd, Epic Poet. hEDS, Bi ♿️🏳️🌈
I like rocks, study asteroids, and make art out of spacecraft data. I also play harp, own a carousel, and my dog is really cute.
www.jamiemolaro.com
African Astronomical Society (AfAS) @africaastronomy.bsky.social The African Astronomical Society (AfAS) is the Pan-African professional society for astronomers.
Michael Merrifield @astromikemerri.bsky.social Emeritus professor of astronomy at the University of Nottingham. Too frequent appearances on YouTube. All my own views.
Jackie Burns @artistburns.bsky.social Former President of the International Association For Astronomical Artists. Artist & visual science communicator specialising in aerospace & astronomy, keen cook, SF&F literary fan.
Adi Foord, PhD @adifoord.bsky.social /uh ˈdee/
Assistant Prof. of Physics @ UMBC | searching for supermassive black holes |
www.adifoord.com
Daedelus @daedelus.bsky.social 🧑🏫. S.E.T.I. A.I.R.
It’s all music. They/Them 🏳️⚧️
ProfBrianCox @profbriancox.bsky.social Professor of Particle Physics at The University of Manchester and Royal Society Professor for Public Engagement in Science
Dr. Sharan Banagiri (he/him) @geodesicvoyager.bsky.social Astrophysicist @monashastro.bsky.social | Previously @ Northwestern & UMN | తెలుగు | Gravitational waves | @LIGO | LISA
Decarbonization now ✊🏽
All opinions my own and do not represent past or present employers.
orcid : https://orcid.org/0000-0001-7852-7484