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
Kate Elliott @kateelliottsff.bsky.social Science fiction & fantasy writer. World builder. Reader. Outrigger canoe paddler. I ❤️ my schnauzer. Hawaii. ✡️🕊️ She/her.
Where Should I Start With Your Novels, a guide:
https://imakeupworlds.com/where-should-i-start-with-your-novels/
John Wiswell @wiswell.bsky.social Nebula Award & Locus Award winner. Novels: SOMEONE YOU CAN BUILD A NEST IN (2024), WEARING THE LION (2025), THE DRAGON HAS SOME COMPLAINTS (2026). Disabled. Ace/aro. He/him. https://linktr.ee/johnwiswell
Royal Entomological Society @royentsoc.bsky.social The Royal Entomological Society plays an international role in communicating insect science and connecting entomologists.
Follow our publications @respublications.bsky.social
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer of stuff.
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Flattop Fiesta @flattopfiesta.bsky.social I like to find ships in ESA Sentinel satellite pictures
Vincent Privat 🇺🇦 @vincentprivat.eurosky.social 🇺🇦✈️🚀🛰️🗺️🌟⚛️💉🇪🇺📷📖🕊️
🐘 @VincentPrivat@mastodon.social
Foeke Postma @foeke.bsky.social Investigator & trainer at Bellingcat
The ones who walk away from omelettes @dfeldman.org 
Haikubox @haikubox.bsky.social Community science project tracking birds using their songs, chirps, and peeps 
Marwella Zhang @marwellaspaceart.bsky.social Space enthusiast, amateur space artist.
Love photography and an F1 fan.
Dr Michelle LaRue @drmichellelarue.bsky.social Antarctic wildlife ecologist, Rutherford Discovery Fellow, Prof UCNZ, speaker, children’s book author
@natgeo Secrets of the Penguins
drmichellelarue.com
Open Source Munitions Portal @munitionsportal.bsky.social A tool for researchers, journalists and practitioners to learn about munitions, their uses and impact in conflicts. Joint project by @airwars.bsky.social and Armament Research Services (ARES).
Airwars @airwars.bsky.social The civilian harm watchdog.
We also run the Open Source Munitions Portal @munitionsportal.bsky.social
Donate: http://airwars.org/about/donate
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Andrew Couts @couts.bsky.social Security & Investigations Director at @WIRED.com. Send tips and/or dog pics.
Signal: couts.01
Ellen Nakashima @ellenwapo.bsky.social Intelligence and national security reporter at The Washington Post. Reach me securely on Signal at Ellen.626.
Michael Le Page @mjflepage.bsky.social Award-winning reporter at New Scientist who clings to the belief that good journalism mattters. I write about life on Earth, inc climate ☀️, food 🍱, CRISPR 🧬 and biomed 💊
My bio & stories: https://www.newscientist.com/author/michael-le-page
Kristen Cook @kristencook.bsky.social Geomorphologist with IRD, ISTerre, Université Grenoble Alpes. EGU Geomorphology Division president. Interested in extreme floods, landslides, and how mountain rivers work, mostly in the Himalaya. 
Jacque Schrag @jacqueschrag.com Journalist-engineer at Polygraph/The Pudding. Formerly Axios and CSIS. Builder of websites, data visualizations, and pixel cats. She/her.
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
ESA Space Transport @transport.esa.int Latest news on @esa.int's launches, projects and developments in space transportation.
Please see our Privacy Notice: esa.int/connectwithus
ESA Earth Observation @esaearth.esa.int @esa.int #EarthObservation: Taking the pulse of our planet from space.
Please see our Privacy Notice: http://esa.int/connectwithus
We share pictures and news on our planet as seen from space.
Nobel Prize @nobelprize.org The official Bluesky account of the Nobel Prize.
Celebrating the work and discoveries that have had the greatest benefit to humankind.
Justin Ling @justinling.ca Uh-oh!!!!!!! Columnist/journalist @thestar.com, sometimes @wired.com, @foreignpolicy.com
Newsletter: www.bugeyedandshameless.com
YouTube: https://www.youtube.com/@JustinLing
Signal: JustinLing.42
Doctora Malka Older @older.bsky.social nerd with narrative disorder • humanitarian • sociopunk • evidence-based creativity • speculative resistance • predictive fictions • INFOMOCRACY • THE MIMICKING OF KNOWN SUCCESSES • …AND OTHER DISASTERS • GlobalVoices.org • opinions my own
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
Ramonkey Perales @ramonkey.bsky.social Comics from La Mancha & Valencia.
Gene Wolfe enthusiast.
Litanies to Stars, Down North Where No One Goes, Book of Fuligin, Neodimio, Elden Zine.
ESP/ENG (he)
Sven-Erik Volberg @volberg.bsky.social Politics, economics, info-sec(from the outside), history, climate, occasional joke/meme 25% 🇪🇪 75% 🇬🇧 (War time switch)
Tips, to cover sat imagery and certain news sites I pay for and 🍺 usage, are appreciated https://ko-fi.com/svenerikvolberg
Janelle Shane @janelleshane.com I write about the strange side of AI at aiweirdness.com
Also a laser scientist.
She/her. Colorado, USA
Dr. Amber Straughn (she/her) @astraughnomer.bsky.social Black Lives Matter. NASA Astrophysicist for #JWST. From Arkansas. Hiking, yoga, Great Dane mom, pilot, Pearl Jam superfan. #FirstGen Personal account - my views
Jason Rabinowitz @airlineflyer.net AirlineFlyer. From Twitter.
Airlines, airplanes, trains, transit, travel. #AvGeek co-host of Flightradar24's AvTalk podcast. https://www.flightradar24.com/blog/avtalk-podcast/
email: jason@airlineflyer.net
value plus discounted @akhilrao.bsky.social impersonal account
he/him
Phenomenal World @phenomenalworld.bsky.social Political economy and critical social sciences.
Disponível em PT / disponible en ES.
phenomenalworld.org
phenomenalworld.org/pt-br
phenomenalworld.org/es
SpaceNews @spacenewsinc.bsky.social Established in 1989, SpaceNews is the most trusted and comprehensive source of news and analysis of the companies, agencies, technologies and trends shaping the global space industry.
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)
Mika McKinnon @mikamckinnon.bsky.social Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. Occasional rock-licker, frequent devourer of board books. 🇨🇦🇺🇸
François Diaz-Maurin @francoisdm.bsky.social Nuclear editor @thebulletin.org. Fmr MacArthur Found. & Marie S.-Curie fellow @stanfordcisac.bsky.social. Fmr engineer in US/French nuclear ind. 1st gen. Father x3. Cello. Synthbass. Kyokushin. Autism. | Tips: francois@thebulletin.org Signal: francoisdm.21
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
photoJDL @photojdl.bsky.social Visual Content Manager @WoodlandParkZoo. Mechanical ornithologist, C-list aviation personality and freelance content producer.
Aaron Koelker @aaronkoelker.bsky.social I'm here for the maps.
My maps: https://aaronkoelker.com/
Get inspired by other people's maps: https://koelker12.github.io/cartography-portfolios/
Aaron Stein @aaronstein1.bsky.social President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own
Britt Lundgren @brittlundgren.bsky.social quasar gazer | science & education policy wonk | prof. of physics & astronomy at a public liberal arts college | Illinoisan
sara m. b. simon @sarambsimon.bsky.social phd student in us history (quantification & govt data, esp. vital statistics) • former newsroom software engineer & data journalist • she/her • chicago
smbsimon.github.io
Space Sciences Laboratory @ucbssl.bsky.social The UC Berkeley Space Sciences Laboratory (SSL) designs, builds and operates high-return, low-cost NASA missions. Our engineers, scientists and staff support a wide range of space and ground-based projects. 👇
https://www.ssl.berkeley.edu/
ESA Navigation @navigation.esa.int Keeping the world connected through satellite navigation. Advancing positioning, navigation and timing in Europe with innovative technologies and resilient systems. Part of the European Space Agency @esa.int family.
Veritasium @veritasium.bsky.social An element of truth - videos about science, education, and interesting things.
https://linktr.ee/veritasium
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.
Cris van Eijk @crisveijk.bsky.social International law, the (space) commons, and how they're made.
PhD @newcastleuni.bsky.social | 🇺🇸🇳🇱🏳️🌈 | 🔊: krɪs van aɪk | he/him
https://www.ncl.ac.uk/law/study/research/students/current-pgr-students/cristian-van-eijk/
China Space Watch @chinaspace.bsky.social China's space program has made remarkable strides in recent years, positioning itself as a major player in space exploration. Including Space Station Construction and Manned Missions. As well as Robotic Missions to The Moon's Far Side and Mars! 🚀🚩👨🏼🚀🌕🏳️🌈🏳️⚧️🕊️
Community of European Solar Radio Astronomers (CESRA) @cesra.bsky.social The Community of European Solar Radio Astronomers (CESRA) is an organization of scientists to stimulate research of the Sun by means of radio waves.
https://cesra.net
Dr. Jake Turner 📡🧲🪐 @astrojaket.bsky.social Astronomer studying the magnetic fields & atmospheres of exoplanets at Cornell | Environmentalist & activist | Photographer | Traveler | (he/him) | #BLM #LGBTQ #Climate #Resister #FBR
🐦: astro_journey
🔗: https://astrojaketurner.space/
DiRAC Institute @dirac-institute.bsky.social The Institute of Data Intensive Research in Astrophysics and Cosmology (DiRAC) at the University of Washington
Princeton University Press @princetonupress.bsky.social Princeton University Press is an independent nonprofit publisher. Our books spark engaging discussions and present bold ideas from leading experts worldwide.
James Curbo @curbo.org 👨💻 Cyber researcher at JHU Applied Physics Lab
📐 Doctor of Engineering, JHU Whiting School of Engineering (space cyber)
🔭 Amateur astronomer
🕹️ Video game connoisseur
📚 Math/science/history nerd, married to a geologist
✈️ USAF vet
https://curbo.space/
Southwest Research Institute @swri.org We are R&D problem solvers providing independent, multidisciplinary support to government and industry.
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
Cat Hicks @grimalkina.bsky.social Author of The Psychology of Software Teams: https://www.drcathicks.com/#book
Applied behavioral science in complex technical systems
she/her 🏳️🌈
Catharsis: https://catharsisinsight.com/
Host at: https://www.changetechnically.fyi/
Lukas C. H. @gewoonlukas.bsky.social Spaceflight Enthusiast 🚀
May the force be with you my friend, Ad Astra Per Aspera ✨ 🕊️
Mission Patches → https://www.flickr.com/photos/194604992@N07/
Other socials → https://linktr.ee/gewoonlukas
BWJones @bwjones.bsky.social Bryan William Jones
Neuroscientist
Vision Neuroscientist
Connectomics / VolumeEM
Photographer / #Leica
Professing at Pitt
In the data
bryanwjones.com
ORCID 0000-0001-5527-6643
Meghan Bartels @meghanbartels.bsky.social Science journalist (for hire!). Book person, cat person, Georgetown alumna, etc. In NYC. Signal: mbartels.07. she/her http://meghanbartels.github.io/portfolio/
Dan Vergano @danvergano.bsky.social Get AIP FYI Science Policy newsletter: https://www.aip.org/newsletters
Director Science Policy News, Editorial at AIP
Washington, D.C.
Opinions my own. Reposts are not endorsements.
Signal: Delta.357
https://www.linkedin.com/in/dan-vergano-93908b4/
Kate Wong @katewong.bsky.social Freelance science writer and editor. Formerly senior editor at Scientific American. I write about human origins, animals past and present, wildlife conservation, ecology and evolution. Birder.
Ryan Moulton @moultano.bsky.social Algorithmist
https://moultano.wordpress.com/
Marcin Wichary @aresluna.org he+him / Writing about software craft and quality: unsung.aresluna.org / Wrote a book about the history of keyboards: shifthappens.site / Designer / Typographer / Occasional speaker / Chicagoan in training
Abigail Fraeman @abbyfrae.bsky.social Planetary scientist. Deputy Project Scientist for Curiosity and (formerly) Opportunity Mars rovers. Muppet aficionado. Views and opinions my own. She/her.
Dan Olson 🔜 Saskatchewan @foldablehuman.bsky.social Documentarian
Nick Harkaway @nickharkaway.com Author. Also husband, dad, clothing-repairer, dog-walker. Decreasingly rigorous on social media. Happy to receive simple work queries here; anything more involved contact Patrick Walsh @ PEW Literary in London or email me.
www.linktr.ee/harkaway
He/him
Isabella Velásquez @ivelasq3.bsky.social 💭 pipe dreams #RStats #Python 💜 @Posit.co (formerly RStudio) || ✶ ✶ ✶ ✶ ||
tef @tef.bsky.social previously: failed mathematician, youtube one hit wonder, blogger, crow photographer, former programmer
currently: unemployed and very tired. tef all lowercase, they/them thank you
Dr. Fim @fim.bsky.social I work in drug development but my full time job is trying to survive.
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
emily doucet @emilygdoucet.bsky.social 📝 Writer, editor and researcher interested in photography and the cultural life of technology — past, present, and future.
📸 Author of 𝘐𝘯𝘷𝘦𝘯𝘵𝘪𝘯𝘨 𝘕𝘢𝘥𝘢𝘳: 𝘈 𝘏𝘪𝘴𝘵𝘰𝘳𝘺 𝘰𝘧 𝘗𝘩𝘰𝘵𝘰𝘨𝘳𝘢𝘱𝘩𝘪𝘤 𝘍𝘪𝘳𝘴𝘵𝘴 (Duke, 2026).
🗄️ https://linktr.ee/emilydoucet
Dr Di Cook @visnut.bsky.social Professor. Statistical graphics, EDA, data science, open source and R. Gender equity. she/her
Ricky Reusser @rreusser.bsky.social Math, graphics, maps, trail running. he/him
https://rreusser.github.io/notebooks/
Topotoy Labs @topotoylabs.bsky.social I enjoy pain. That is why I code simulation engines.
My blog: http://brashandplucky.com
Supergiant Games @supergiantgames.bsky.social Creators of Hades, Pyre, Transistor, and Bastion.
· Merchandise: https://supergiant.games/merch
· Discord: http://discord.gg/supergiant
Jen Zee @0jenzee0.bsky.social Art Director @supergiantgames.bsky.social
Rita Strack @ritastrack.bsky.social Chief Editor of Nature Biomedical Engineering. Ph.D. Previously at Nature Methods. @rita_strack on the place formerly known as twitter.
Will Thomas @williamthomas.bsky.social Director of Research in History, Policy, and Culture at the American Institute of Physics. Author of Rational Action: The Sciences of Policy in Britain and America, 1940-1960. Views expressed are my own.
Steve Collins @longhairnasaguy.bsky.social a NASA/JPL guy, with long hair. Guidance and control engineer. steve.m.collins@gmai?.?om Opinions are my own
CosmicRami 🏳️🌈🏳️⚧️ @rami.spaceaustralia.com Astronomer, driving The Dish📡 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.
Jason Hutt @jthutt.bsky.social NASA Human Spaceflight for 25+ years. Displaced Philadelphian. Go Birds! Amateur photographer. Occasional sci-fi writer.
Sent people to the Moon!
Go then. There are other worlds than these.
https://otherworlds.picfair.com/
Joe Kington @joferkington.bsky.social Geology to Software to Remote sensing. Opinions and poor taste my own. He/Him. SLC-based. PhD if you care about that. This account is all dog pictures and mindless prattle.
yellowstoneten @yellowstoneten.bsky.social spaceflight nerd, if the banner pic didn't give that away
new name time! Tali, if you please.
(they / them, in a "gender currently under renovation" sort of way)
Tim Weiner @tim-weiner.bsky.social Author and journalist. THE MISSION: The CIA in the 21st Century and LEGACY OF ASHES: The History of the CIA. https://www.harpercollins.com/products/the-mission-tim-weiner?variant=43465484206114
Dr Robin George Andrews @squigglyvolcano.bsky.social Award-Winning Science Journalist | Volcanology PhD | Stories in
NYT, SciAm, NatGeo, MIT Tech Review, Quanta etc | Author: SUPER VOLCANOES 🌋 and HOW TO KILL AN ASTEROID 🚀☄️💥☠️ | (20635) Robinandrews
Usili (Talia) 🏳️⚧️ @usili.bsky.social She/her. Jewish. Trans. Fan of spaceflight, railroads, model railroads, etc. Feel free to send me book recommendations and such, and happy to send them as well. Cincy.
💉 10/1/25
On occasion, will talk or post 18+ things.
alexandra @maniacalstar.bsky.social art+space
alexandraconstantinou.com
Danny Robb @inverting-vision.bsky.social Writing about history of science, exploration, and technology. Interested in photography + robotics in lunar and planetary science, oceanography, cryosphere.
Work in JSTOR Daily, Aeon, Atlas Obscura, The Space Review.
History Blog: invertingvision.com
Mr. Fresh™️ 📡 @mrfresh.bsky.social satcom systems engineer | guitarist | film & media composer @ sftfmusic.com | coding in #Python James 1:12 | modern electronic music fan vibesnscribes.com
sbarky @sbarky.bsky.social cute girls doing cool tech ・ aerospace and engineering
my body is a machine that turns spacecraft into cute girls
Artologica aka Michele Banks @artologica.net Michele Banks
Artist inspired by science
Friend to squirrels
https://www.etsy.com/shop/artologica/ 
Dr. SkySkull @drskyskull.bsky.social Professor of optics, blogger of physics, history, & pulp fiction. Generally tries to keep things light-hearted, in spite of *waves hands at everything* (he/him) Blocking doomerism on sight.
blog: https://skullsinthestars.com/
Oceans & Sea Ice NPI @oceanseaicenpi.bsky.social Oceanography and sea ice research at the Norwegian Polar Institute (Tromsø, Norway). You'll also find us on IG: https://www.instagram.com/oceanseaicenpi and FB: https://www.facebook.com/oceanseaicenpi
Giancarlo Fiorella @giancarlofiorella.bsky.social Director of Research and Training | Bellingcat
Assistant Professor | Utrecht University
PhD, Criminology & Sociolegal Studies | University of Toronto
www.giancarlofiorella.com
Opinions my own
Felix Turner @felixturner.bsky.social Creative Technologist, JS / WebGL Dev, Founder, Humanoid. Built moshpro.app. airtight.cc.
Stephen Losey @stephenlosey.bsky.social Air warfare reporter for @airandspaceforces.com.web.brid.gy; former Defense News and president of @sightlineunion.bsky.social; head of the Gen. Buck Turgidson fan club.
Gregor Aisch @driven-by-data.net Senior Visual Data Journalist at @zeit.de. Co-founder and former CTO of @datawrapper.de. Former @nytimes.com graphics editor #datajournalism #graphics #maps #cartography #dataviz (he/him)
Sam Lair @slair.bsky.social Fellow at FPRI | MIIS NPTS '24 | RTs/views my own etc. Also @sam_lair on Twitter