Rosemary Mosco @rosemarymosco.com Nature comics (Bird and Moon). Books about nature. Talks. Bird facts. rosemarymosco.com She/her.
Helen Amanda Fricker @helen-amanda.bsky.social Professor of Glaciology, Scripps Polar Center, UC San Diego
https://bsky.app/profile/scrippsocean.bsky.social
Studies Antarctica with satellites
PI of EDGE mission edge.ucsd.edu
🇦🇶🛰️🧊
Graduate of @UCL & @UTAS
❄️❄️❄️
Daniel Sugarman @danielsugarman.bsky.social Jewish. Deputy Editor of Jewish News. Resh Galuta of Bluesky. Regular entrant on the NY Times Bestseller List of Unpublished Books. All opinions are mine.
European Space History @eurospacehistory.bsky.social Enjoying the history of the European space adventure. Continuing from @ESA_History on Twitter.
See our other channels: https://linktr.ee/european_space_history
Sheryl Bouchard @sherylbouchard.bsky.social Cosmos, culture, nature, art — and my camera.
Having taken a complete break from social media for a while, starting again from zero is strange.
Diana V. DaPontes @dianaveradesigns.bsky.social A highly artistic ambivert alchemist & cosmopolite.
Adore dogs,📚, art, ✍️, travel, & nature. PoliSci junkie. Mine: #LifeDemandsOptimism ! Nonetheless, I make rather bad puns. 😁🎭🖖
💙 🗽🤎🖤🏳️⚧️🏳️🌈🇨🇦🇺🇦🇪🇺Ally.
NO DMs (I'll 🚫 U! )
unless we are friends IRL.
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
Science Friday @scifri.bsky.social Entertaining & educational conversations about science, tech, + more. Hosted by Ira Flatow and Flora Lichtman. From WNYCStudios.
Astronauts For America @astronauts4america.bsky.social Our Country is the Mission.
astronautsforamerica.org
Adam Kovac @adamjkovac.bsky.social Breaking news reporter at Scientific American. Guitar nut. Opinions are mine and rarely shared with you folks, unless they're about hockey.
Got scoop tips? akovac.14 on Signal.
@rthompsonmdog.bsky.social @rthompsonmdog.bsky.social 
Dan Burns @the-physics-well.net Physics Educator, Space Enthusiast, Astrophotographer
https://the-physics-well.net/
I 💙 Dogs @dogs100.bsky.social Dogs 🐕 can teach humans love and loyalty
If you are tired of American politics, here is a funny relaxing feed dedicated to man’s best friends; at times other animals are featured 🐈 🐎 🐄 🫏
Avoiding AI generated videos, but at times one slips through
D. Dean Johnson @ddeanjohnson.bsky.social Independent journalist. I might be mistaken, but I have the receipts. "Obi-Wan Kenobi of the deeper dive."—Billy Cox. Foe of apophenia. Mirador: https://douglasjohnson.ghost.io/author/douglasjohnson
Joe O'Rourke @geojgo.bsky.social Associate Professor in the School of Earth and Space Exploration at Arizona State University. Barnes & Noble Premium Member.
Reymond Aguinaldo @mondinspace.bsky.social Space, science and wonder. Personal account. Views and opinions my own. Socials: @mondinspace
Saunieindiego @saunieindiego.bsky.social I used to grow milkweed for the Monarch butterflies. I hug trees, and I like to take photographs of nature, insects, animals, and birds. I try to be a good human. California, born and bred, recently relocated to Arizona.
Kate Genevieve @kategenevieve.bsky.social inner space ∩ outer space kategenevieve.com
London-born artist & researcher, a guest in Te Whanganui-a-Tara NZ. director at chroma.space, trustee w. Intercreate, convening cosmoimaginaries.com w. Astro Ecologies Inst.
lover of music–all worlds, all times
Olivia Guest · Ολίβια Γκεστ @olivia.science 👁️ https://olivia.science
🍃 https://metatheory.space
associate professor of computational cognitive science · she/they · cypriot/kıbrıslı/κυπραία · σὺν Ἀθηνᾷ καὶ χεῖρα κίνει
Sasha Sagan @sashasagan.bsky.social 
Roland Pease @peaseroland.bsky.social 
Brie Lindgren @elisard.bsky.social Ph.D. in origins of life bioorganic chemistry, assisted by a fluffy research assistant
Ann Finkbeiner @annfinkbeiner.bsky.social Freelance science writer, mostly astro, some natsec sci, some women-in-astro, some grief psych, otherwise whatever I can get paid to write about. I love Baltimore, I do.
Benjamin Riley @benjaminjriley.bsky.social Founder of Cognitive Resonance, a new venture dedicated to helping people understand human cognition and generative AI. Advocate for humans.
Newsletter: https://buildcognitiveresonance.substack.com/
Your Internet Friend Tom Tomorrow @tomtomorrow.bsky.social gallows humorist
Heather H @turbokat42.bsky.social #KaijuKliq, Godzilla, animals, Baltimore Orioles, dinosaurs, horror because some folks seem to think that, MST3K/RiffTrax, Fat Bear Week, space, randomness, I'm going to throw the Franklin Expedition in here too
Dr Roger Blue Stabbins @rbstabbins.bsky.social ExoMars SKP Post-Doc with the Planetary Surfaces Group at the Natural History Museum, London
https://rbstabbins.github.io
Starzanplanets @starzanplanets.bsky.social Astrophysics | Planetary Science | American Astronomical Society Journals | “Centaurs” AAS/IOP book | DEIA | LGBTQIA+rights | photography
David J. Bier @davidjbier.bsky.social Cato Institute, Director of Immigration Studies, Cato's Selz Foundation Chair in Immigration Policy, BEER, not buyer. Cato, not CATO
Philip Ball @philipcball.bsky.social Science writer and author of books including Bright Earth, The Music Instinct, Beyond Weird, How Life Works.
Sharon O'Dea @sharonodea.com Consulting, writing and speaking on comms, collaboration & future of work. Cofounder, Lithos Partners. Author, Digital Communications at Work. Gym bore. Gets about a bit.
Garance Barbier @garant-b.bsky.social Myrmecologist | Accidental bioacoustician | Behavioural ecologist | PhD student @ https://bsky.app/profile/umeauniversitet.bsky.social |
Despite pfp I'm a parrot fan too :]
Pfp by Hélène Bézin--Chaingy
Studied at Sorbonne Nord @leec-uspn.bsky.social
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)
Bookshop.org @bookshop.org A better way to buy books online where every purchase supports local bookstores ☀️📚
https://bookshop.org/
Spider-Man: Pre-owned Day @redderbeanpaste.bsky.social I look at politics in China and the United States. I will also yell about my cats and video games here. This is a private social media account
I talk about pens. 🖋️
Kate Starbird @katestarbird.bsky.social Researcher of online rumors & disinformation. Former basketball player. Prof at University of Washington, HCDE. Co-founder of the UW Center for an Informed Public. Personal account: Views may not reflect those of my employer.
DSCOVR:EPIC @dscovr-epic.bot.country Pics from the Earth Polychromatic Camera on the DSCOVR spacecraft (unofficial). Formerly @dscovr_epic on twitter.
FAQ: https://russ.garrett.co.uk/bots/dscovr_epic/
Operator: @russ.garrett.co.uk
Jörg Matthias Determann @determann.bsky.social Historian at Virginia Commonwealth University in Qatar. Author of “Teaching Science Through Science Fiction” and “Diversity, Equity, and Inclusion in Astronomy.” https://vcu.academia.edu/Determann
XTREAM project @xtream-project.eu EU-funded project (101182278), we aim to unlock the industrial potential of extremophilic organisms to develop sustainable #bioprocesses
Dr. Tanya Samman @t-s-sci.bsky.social Scientist and communicator. Geoscientist/Palaeontologist. she/her. My views are my own.
NASA | ESA Space Updates @nasaupdates.bsky.social Space news from around the globe, all in one place
Focusing on NASA & ESA Missions
Artemis III 🚀🌕 | 2027
Note we are not NASA just #Spacenerds #Moonjoy- E Eric Mamajek @ericmamajek.bsky.social Star guy. Statements and opinions posted here are my own.
Валера | Valera @valerair.bsky.social Инженер 
Víctor R. Ruiz @rvr.bsky.social 
BOWIE+ Seminar Series @bowieseminar.bsky.social The BOWIE+ Seminar is held online on the 4th Thursday of every month and highlights exoplanet science. Find more here:
https://bowiecollaboration.github.io/seminars.html
Gite-Milvain @gite-milvain.bsky.social Do you want a cosy Gite in the countryside? If you want to relax in peace and quiet then come to Gite-Milvain and we'll look after you. We have a partly rewilded garden, with plenty of butterflies and birds.
@lorena-grundy.bsky.social @lorena-grundy.bsky.social 
Sean McMahon @seanhmcmahon.bsky.social Astro/geo/palaeo/biologist @ UK Centre for Astrobiology, University of Edinburgh: https://www.astrobiology.ac.uk/mcmahon-group
Dylan Spaulding @dkspaulding.bsky.social Senior Scientist, Union of Concerned Scientists, Global Security Program. Views are my own.
Blog: blog.ucsusa.org/author/dylan-spaulding/
Cory Futrell @heftyastronot.bsky.social HVAC consulting engineer / science advocate / Trekkie / green chile stan
Adam Brookes @eadbrookes.bsky.social Recovering journalist, dilatory author. 'FRAGILE CARGO: The World War Two Race to Save the Treasures of China's Forbidden City'. Also some spy novels. Opinions valid.
Brad Johnson @climatebrad.hillheat.com Climate hawk. DC-based journalist. Registered Parliamentarian. FSP. Subscribe to my newsletter: https://Hillheat.news/subscribe
NOVA Astro & Earth Science @nova-earth-astro.bsky.social Home of the (upcoming) UK theatre show NOVA Astro & Earth.
Presented by astronomer Charlotte Alexandra Fuller FRAS & Earth scientist Dr Ella Gilbert FRMetS
www.nova-astro.co.uk
Dr Ella Gilbert @drgilbz.bsky.social Head in the clouds, heart in the ice.
Climate scientist & presenter, massive cloud nerd.
Represented for TV & books by Natalia Lucas at United Agents.
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Usha Lee McFarling @usha.bsky.social I direct the Knight Science Journalism Program at MIT. Working hard to advance science journalism and support its practitioners at a time they are needed more than ever.
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
Massimo (mirror) @rainmaker1973-m.bsky.social Mirror of https://nitter.net/Rainmaker1973
Engineer. Selecting and curating pictures and videos trying to awaken your sense of wonder. Science, tech, art, weather, space, the unusual around us.
If you own the original, DM
linktr.ee/Rainmaker1973
Ethan Siegel @startswithabang.bsky.social Cosmologist, science communicator, author, speaker, and longtime writer of Starts With A Bang.
Not the next Carl Sagan; the first Ethan Siegel.
RASC Calgary Centre @calgaryrasc.bsky.social Calgary Centre of The Royal Astronomical Society of Canada, Inspiring Interest & Knowledge in Astronomy since 1958!
https://linktr.ee/calgaryrasc
Gene J. Mikulka @genejm1017.bsky.social Founded the Talking Space Podcast in 2009.
Immersed in spaceflight since the Apollo days, Space Advocate and lovebird Dad. All Opinions are mine alone and don't reflect the position of the podcast. https://www.talkingspaceonline.com
the Driveby Calligrapher @dbcalligrapher.bsky.social She/Her. find me at cons & signings, usually near Boston.
name - I was at an N. K. Jemisin signing and I did a piece of calligraphy for her, she said something like “wow, drive by calligraphy”, I asked if I could use that as a moniker. 
Sheryl Gay Stolberg @sherylnyt.bsky.social Covering RFK Jr., MAHA, health policy & politics for @nytimes. Former Congress & White House Correspondent (Bush & Obama). Peloton aficionado, amateur painter, dog lover, mom. Tips: stolberg@nytimes.com
Bethany Brookshire @beebrookshire.bsky.social Sci journo, author of Pests: How Humans Create Animal Villains. Highly caffeinated. All bad takes mine. She/her
Todd R LeBlanc @oddthesorcerer.bsky.social I am Todd R. LeBlanc, a Canadian writer and thinker drawn to exploring the deepest questions of existence, consciousness, and the nature of reality. I don’t chat, but I do answer questions—especially on Cosmopsychism and Presentism.
www.thebookofodd.com
Deborah YZ @deborahyoon.com Let's see what happens.
Www.deborahyoon.com
All Together Know 🧠 @alltogetherknow.bsky.social Here for the hivemind🦋
politics, sci-fi, fantasy, video game enthusiast 👾
“For those who come after,
suzan rose @suzanrozy.bsky.social Writer
🐢scientific storyteller
🌍climate change activist
✍🏻wip: Ghosts in The Snow (coming 2027)
Passionately devoted to education, science literacy, and Earth. Retired science teacher. #actuallyautistic Born in the year 314 ppm CO2.
Derek Johnson @derekjesq.bsky.social Chaos Muppet, Order Rising. CEO, ResearchCollaborative.org. Young(ish) Leader, Munich Security Conference + Friends of Europe. Former head of GlobalZero.org. Radicalized by basic decency. Made in #Iowa with parts from #Iran. he/him 🇦🇲
David Baron @dhbaron.bsky.social Science writer, eclipse chaser, ardent Coloradan, and author of THE MARTIANS, AMERICAN ECLIPSE, and THE BEAST IN THE GARDEN. More at davidbaronauthor.com.
Steven Loy @stevenloy.bsky.social Conductor, composer, light-chaser
hardboiledblue🌍🌻🌳🦮🦊🦉🪺🐝🐈🦘🐟🐋🐸🌈🚋🚲🔬📚🇺🇦🇨🇦🇲🇽🇪🇺💙 @hardboiledblue.bsky.social At least we don't have to worry about the price of eggs anymore. Isn't this what we strive for? After all, what's more important-maybe over the next 4 years we'll get our own first trillionaire-& cheap, old, Salmonella-infested eggs for the rest of us too!
Patrick McCray @patrickmccray.bsky.social History Professor @ UC-Santa Barbara => science + tech + environment
Cairn kicker 🚵 🎣 🧗♂️⛷️🏄🏼♂️🏔 in Cali-Rado.
New book = https://mitpress.mit.edu/9780262553483/readme/
More = https://www.patrickmccray.com
Bill Higgins-- Beam Jockey @beamjockey.bsky.social Physicist at large. Speaker. Writer. Mono-instrumentalist.
Spaceflight, astronomy, history of science, science fiction, & jokes thereof.
Avatar: Bill Heterodyne, smiling & tipping his boater, by Phil Foglio.
Banner: Me, infinitely reflected in mirrors.
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Neil Shubin @neilshubin.bsky.social Paleontologist. Developmental Biologist. Anatomist. Polar wanderer. Telling people that they are fish since 2008.
Rocky O’Riordan @rockyo.bsky.social No DMs ☠️ Bass/Vox ☠️ Póg Mo Thóin ☠️ Bush Tetras ☠️ Rogue Oliphant ☠️ The Rocky O’Riordan Show on U2 X-Radio SiriusXM 💚
WomanAstro @womanastro.bsky.social 
Madison Swart @madisonswart.bsky.social freelance photojournalist reporting live from nyc! work featured in: NBC, NY Times, The Washington Post, CNN, TIME, Politico, The Cut, Reuters, The Gothamist, Huff Post, Democracy Now! they/she. work lives mainly on instagram: madisonswart
Chris Maytag @cpm5280.bsky.social Cameras, space, astronomy, politics, art, words, mountains, ethics, chocolate, bikes, cats, Star Trek. Made of burritos & coffee. Mostly invisible. Future Starfleet Academy groundskeeper. He/him. Seeking the thing.
Ex-Boulder, Prodigal Santa Barbarian
S. W. Lawrence, MD @swlawrence.bsky.social Writer of climate fiction or cli-fi. But my work is preapocalyptic and optimistic, unlike most works in this space.
Greg Pak @gregpak.net Rhymes with "rock." Comics writer, filmmaker, photojournalist. SUPERNATURAL, PLANET HULK. He/him. @comixaction.com Call your reps (reps.fyi). Stop posting on X.
All my links: gregpak.fyi
(@gregpak.com for work only)
Buy my stuff at gregpakshop.com!
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.- S SpacePolicyOnline @spacepolicyonline.bsky.social SpacePolicyOnline.com is your first stop for news, information and analysis about civil, commercial, and national security space programs. Marcia Smith is the editor.
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
D. Earl Stephens @dearlstephens.bsky.social Won journalism awards at ancient places called "newspapers" | Author | Columnist Raw Story, Alternet, Elsewhere | Navy Vet | Former Managing Editor Stars & Stripes | Animal-lover | https://dearlstephens.substack.com for my latest ...
Tereza Constantinou @terezaconst.bsky.social Planetary Science PhD Student @Institute of Astronomy, Cambridge
Like🚴🏻♀️ ☕️🌏🚞📖🇦🇶 🎨
Space Frontier Foundation @space-frontier.bsky.social Opening the space frontier by connecting real-world problems to space-based solutions. Advocacy. Innovation. Impact.
Leo Enright @ollopa11.bsky.social "The Guy from Irish TV" at NASA for 50 years (and counting)! Ex Foreign Hack at BBC News & RTE News; now see/hear me live on space on BBC, RTE, Newstalk FM @aljazeera.com etc
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)
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Angela Marusiak @planetaryquakes.bsky.social Planetary scientist looking to see what’s shaking in our solar system, currently an Asst. Research Professor at LPL. Thoughts are my own, not my employers 🪐 🚀🌔
Rob Cruickshank @robcruickshank.bsky.social Technician/artist. Googly-eye enthusiast. Several kinds of nerd. Unusual skill set. Toronto, Ontario. he/him.
William Brazelton @wbrazelton.bsky.social Associate Research Professor, School of Biological Sciences, University of Utah
Research Scientist, Blue Marble Space Institute of Science
Kayla Smith @astrokayla.bsky.social U of Arizona Planetary Science PhD Student
Edward Hasbrouck @edwardhasbrouck.bsky.social Anti-fascist, author, journalist, consumer & human rights advocate, ally to youth liberation, bicyclist, consultant to the Identity Project.
https://hasbrouck.org
edward@hasbrouck.org
Signal +1-415-824-0214
Mastodon: https://urbanists.social/@ehasbrouck
Adam Becker @adambecker.bsky.social Journalist & astrophysicist. Host, @dreamingagainstthemachine.com. New book: MORE EVERYTHING FOREVER, about broken futures pushed by tech billionaires. Words in the Atlantic, NPR, NYT, the Guardian, BBC, SciAm, Fortune, etc. He/him. Signal: adambecker.84
Marcus Chown @marcuschown.bsky.social Writer. Books include A Crack in Everything, Breakthrough, The Ascent of Gravity, Infinity in the Palm of Your Hand, Quantum Theory Cannot Hurt You & Solar System for iPad. See www.marcuschown.com
Marisa Kabas @marisakabas.bsky.social independent journalist, thehandbasket.co
email: marisa@thehandbasket.co
signal: marisakabas.04