Jen Willis ✨☄️🌒🎃 @jenwillis.bsky.social Writer. Editor. @SkyandTelescope columnist.
Author of paranormal cozies, UF, SF, and SF/R.
Chronic illness/pain/optimism. ND. Astronerd. She/her.
Starbright: https://patreon.com/JenWillis
http://jennifer-willis.com
Toby Buckle @polphilpod.bsky.social Podcast host & writer. US & UK politics, philosophy, religion, & the odd food pics.
NPR @npr.org This is NPR 🎙️
Buffalo Bills @buffalo---bills.bsky.social Buffalo Bills fans are fiercely loyal, snow-loving, table-smashing believers who endure heartbreak with humor, celebrate grit over glamour, and proudly shout Mafia pride through freezing winds, decades of drought, and thrilling resurgence together.
Dr. Raphael Marschall @spacemarschall.net Associate Professor of Experimental Physics at the @unibe.ch
Co-I of ESA's Comet Interceptor, collaborator on NASA's Lucy and ESA's Rosetta missions.
www.spaceMarschall.net
(he/him)🇨🇭🇺🇸🇫🇷
#asteroids #comets #protoplanetarydisks #planetaryScience 🧪🔭🚀🛰️☄️
Will Quinn @willquinnart.bsky.social librarian and illustrator.
will post later, too sleepy
My shop: https://www.willquinnart.com/shop/prints
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
Dr. Fred J. Calef III @mapperwocky.bsky.social Science Systems Engineer @NASA/JPL-Caltech. PhD in Geology. 30+ years Geospatial experience. PI for the FOSS4G Multi-Mission Geographic Information System (MMGIS https://github.com/NASA-AMMOS/MMGIS).
Not a NASA account.
Never met a rock I wouldn’t lick.
YoursTruly @yourstruly.lol Updating my description to be more than just a single emoticon so that I pass as human, but I'm doing it begrudgingly.
He/Him
<3
old roadside pics @roadside.xor.blue i post public domain photographs from the john margolies roadside america archive in the library of congress. unaffiliated. built by @xor.blue
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
EarthSky @earthskyscience.bsky.social Updates on your cosmos and world.
.Astronomy @dotastro.bsky.social Conference series about what happens when hackers, astronomers and the web all get together.
Paul Hammond @paulhammond51.fosstodon.org.ap.brid.gy Following Mars rovers
🌉 bridged from https://fosstodon.org/@PaulHammond51 on the fediverse by https://fed.brid.gy/
Dan Burns @the-physics-well.net Physics Educator, Space Enthusiast, Astrophotographer
https://the-physics-well.net/
Mars Observer's Mars Updates @mars.martian-observer.net Photos and updates related to Perseverance rover at Jezero
This account is operated by @martian-observer.net
Gary Hershorn @garyhershorn.bsky.social Photojournalist in New York City. Previously with Reuters. Getty Images contributor. Instagram: @garyhershorn TikTok: @garyhershorn
Nicole Mortillaro @nebulousnikki.bsky.social Senior science reporter at the Canadian Broadcasting Corporation (CBC News)/Editor for the Journal of the Royal Astronomical Society of Canada/amateur astronomer. Deeply concerned about climate change.
Johns Hopkins APL @jhuapl.bsky.social Johns Hopkins Applied Physics Laboratory (APL) is a not-for-profit center for engineering, research & development. Reposts/follows ≠ endorsements
Astrogeo 🇨🇦🇺🇦🌻 @astrogeo.bsky.social Earth & Space Science Communicator, writer & photographer. Regular contributor on local radio & TV news. Member of the RASC, SWCC, CEGA, and a fellow of the RCGS..
Currently an enrichment lecturer for Road Scholar and Vchysia/Classrooms Without Walls
(starhag) @gwenforr.bsky.social Artist, guitar builder, stargazer, housewife. genderless witch in a trans woman’s body.
Northumberland Astro @northumb-astro.bsky.social Northern Lights, Meteors & Astrophotography in Northumberland, UK.
Northumberland LIVE Sky Cameras - https://northumberland-astro.space/sky-cameras/
Björn Jónsson @bjornjonsson.bsky.social Software engineer interested in solar system exploration + many other things. Advanced amateur planetary image processor. Ruler of several non-existent planets.
Marina Amaral @marinamaral.bsky.social Digital colorist, history buff, bestselling author, Forbes Under 30, loves dogs and coffee, etc. #actuallyautistic
Tom Nichols @radiofreetom.bsky.social Staff writer at The Atlantic. Cat guy, Jeopardy champ. New Englander and curmudgeon. Speaker info: https://www.leighbureau.com/speakers/tnichols
Mike Christie @mikechristie.bsky.social Interested in maths, physics, astronomy, astrophotography. Member of Astronomical Society of Edinburgh. Emeritus Professor at Heriot-Watt University. 
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Simeon Schmauß @stim3on.bsky.social dabbling with photogrammetry, astrophotography, GIS and more...
https://sschmaus.github.io/links/
CatherineQ @catherineq.bsky.social Astronomer, science communicator, over-thinker extraordinaire. @AucklandUni space person @AucklandSpace. Autoimmune illness. 🇳🇿🇺🇸
Mandy Daniels @mandydaniels.bsky.social #19 275 403
Follow me for UK based astronomy and nature photography. All images are copyright. Check out my photographs on EarthSky:
https://ecp.earthsky.org/community-photos/?filter_1_3=Mandy&filter_1_6=Daniels&mode=all
Rick Claus (RicksterCDN) @regularitguy.com Geek / tech guy / Dad and team lead of "way smarter than me" folks who create awesome technical content for IT Pros and infrastructure aficionados. I lead the "Non Dev DevRel" teams in Infrastructure, Cloud Native and Security at Microsoft.
Miles O'Brien @milesobrien.com Journalist and filmmaker covering science, technology, climate, and aerospace for PBS. https://linktr.ee/milesobrien3
Derek Newsome @derek.space Spaceflight Photographer
Fighting to keep the dream alive.
derek.space
derekspace.com
He/Him
DutchSpace @dutchspace.bsky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
Carl Zimmer @carlzimmer.com NYT columnist. Signal: carlzimmer.51
Newsletter: https://buttondown.com/carlzimmer/
Web: http://carlzimmer.com
[This account includes a tweet archive]
Marwella Zhang @marwellaspaceart.bsky.social Space enthusiast, amateur space artist.
Love photography and an F1 fan.
Shannon Vallor @shannonvallor.bsky.social Philosopher/AI Ethicist at Univ of Edinburgh, FRSE. Co-Director @technomoralfutures.bsky.social and BRAID @braiduk.bsky.social, author of Technology and the Virtues (2016) and The AI Mirror (2024). Views my own. Humble servant to Carol and Puffin. She/her.
Corel Gallery Clipart @clipart.bsky.social In 1994 I bought a Corel Gallery CD-ROM with 10,000 clipart images. Thirty years later those images haunt this ghost story bot. Posts autodelete.
Credits: clipart from Corel; conversion, curation, code, and alt text by @samplereality.bsky.social
ProFootballTalk @profootballtalk.bsky.social We cover the NFL with honesty, candor, authenticity, and transparency, in order to enhance fan enjoyment and understanding. © 2026 Football Talk LLC.
Natalia (娜塔莉) @nataliajagielska.bsky.social Works on pterosaurs 🦴 Dinosaur Doodler 🦖
David Roberts @volts.wtf I run a newsletter/podcast called Volts about clean energy & politics. Subscribe & join the community at http://volts.wtf!
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.
Landru79 @landru79.bsky.social Jacint Roger
Alineapíxeles.
Dennis S. USA @dennis-ibm.bsky.social I still use my Nikon DSLR occasionally but an iPhone is my primary camera. The worst thing about a smartphone camera is when I'm taking photos and the damn thing rings, beeps, twerps, or some other intrusion on my time.
I'm also a retired computer tech.
springfieldians @springfieldians.bsky.social all the background weirdos, one-offs, and perfectly cromulent townsfolk from america's s̶c̶r̶o̶d̶ ̶b̶a̶s̶k̶e̶t̶ crud bucket. former home of sex cauldron (rip). this town is a part of us all. a part of us all. a part of us all!
Nome @nome.bsky.social Please don't use unroller bots on my threads.
ADHD, TTRPGs, Queer Shit, Nerd Shit, History, Animals. Will yell about Star Trek on demand.
Queer, Disabled, He/Him
🐦@NomeDaBarbarian
💰 https://ko-fi.com/nomedabarbarian
📌 Denver
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.
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.com/
Michael Seeley @mseeley.net Photographer / Space nerd / Healthcare
Photos of stuff (rockets preferred)
We Report Space co-founder
Nat Geo contributor
President, Health First Foundation
Reposts / follows ≠ endorsement
More: https://linktr.ee/michaelseeley
Jon Walczak @jonwalczak.bsky.social vagabond journalist
mammon @derekhill.bsky.social hardcore integrity
Tamper Proof Lid @readuction.bsky.social Shitposter 🤩
Climate.us @climate.us We are an independent, nonprofit successor to Climate(.)gov, safeguarding public access to trusted climate data, tools, and information.
Donate: https://www.climate.us/donate
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.
Steve Desch @deschscoveries.bsky.social Professor of astrophysics / planetary science / meteoritics at Arizona State University.
ArtButMakeItSports @artbutmakeitsports.bsky.social I turn Art into Sports (and vice versa) | NO AI USED | “Everything I didn't know I needed" - follower testimonial
Sweetman Astrophoto @sweetmanastrophoto.com Sharing my astrophotography(mostly) and my process too
https://sweetmanastrophoto.com
https://www.instagram.com/5minuteastrophoto/
https://www.youtube.com/@Sweetman_astro
Devin Heroux @devinheroux.bsky.social CBC Sports Senior Reporter. The Curling Group. Plant dad. Coffee lover. Born in Saskatoon. Live in Toronto. Taking you to the heart of the story.
Elle Cordova @ellecordova.bsky.social A nerd at large. Writer. Musician.
Sometimes funny. 🏳️🌈
Join my sci-fi book club:
http://patreon.com/ellecordova
nerd humor • space & sci fi • books
Shannon Proudfoot @sproudfoot.bsky.social Feature writer covering federal politics at The Globe and Mail. I love great beer, old art, all cheese, The Golden Girls and Gritty. I have too many cats, which is the correct number.
Brother Timothy Clark @kc3cdu.bsky.social Christian, Host of the Brother Timothy Clark Podcast, musician, writer, blogger, ham radio operator, volunteer with the FAA Safety team, lover of teas.
Oh and I am totally blind and have a love for photography.
TimothyClarkMusic.wordpress.com
Kevin Snyder @guns.bsky.social Chairman of the Poster-Farmer Party
Villein 🔒 @villein.bsky.social pit-trap setter
Prof Jim Wild @jim-wild.bsky.social President of the Royal Astronomical Society, Professor of Space Physics at Lancaster University and lover of all things spacey. Fell-runner, EV enthusiast, film/soundtrack geek and curry fan. My own views etc.
Royal Astronomical Society @royalastrosoc.bsky.social www.ras.ac.uk
Don Davis @ddavisspaceart.bsky.social Space Artist, sky observer and photographer. Processor of space images. Interested in Astronomy, Planetary Geology, history and in what the future may bring. 
Brandon D. Wilson @geniusbastard.bsky.social Cinéaste maudit. Educator. Dad of 2. Quinquagenarian. Man of Appetites. Film writer. UCLA '94, M.F.A. '99. 2nd gen native Angeleno. Pro-union. Anti-fascist. Clearly not the actor from NICKEL BOYS. He/Him.
Discontinued Foods! @discontinuedfoods.bsky.social Your home for all those culinary delights, anomalies, and misfires that live on only in our memories...Still slowly but surely migrating over the over 1,000 foods I covered on Twitter, so if you don't see a favorite here yet, stay tuned!
Mount St. Helens Archive @mountsthelens1980.bsky.social Ex-SciComms guy Chris here, chronicling Mount St. Helens' history: the mountain before 1980, its eruptive fury, and nature's stunning comeback.
Links/email: https://linktr.ee/mountsthelensarchive
Kat Robison, PhD @katrobison.bsky.social Poet, Political Scientist, Lecturer USSC/USYD, #FirstGen, Research Aficionado, Occasional Podcaster, Human (she/her). I study space, women in STEM, politics, and #scicomm. Views my own.
Fields: Space Policy, Political Communication/Behaviour, US Politics
Clara Moskowitz @clarakm.bsky.social Senior Editor at Scientific American, covering astronomy, physics and math. She/her 🏳️🌈
ESA Operations @operations.esa.int From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
Mark Carney @mark-carney.bsky.social Prime Minister of Canada and Leader of the Liberal Party | Premier ministre du Canada et chef du Parti libéral
markcarney.ca 
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Chris Lee @cpl43uk.bsky.social AstroSpace Advisor, Former Chief Scientist UK Space Agency, Visiting Prof (Uni of Leicester), FRAS FBIS #BristolAstroSoc, Astro, #Space #Astrophotographer, #Park-run #ProgRock, #Sci-Fi, #anti-Trump #anti-Reform (he/him)
Andy Saunders - Apollo Remastered @andysaunders-1.bsky.social Author of Sunday Times Bestseller, Apollo Remastered. Writer & imaging specialist - restoring humankind's finest moments, including Armstrong's first steps.
Gemini & Mercury Remastered coming soon...
https://linktr.ee/apolloremastered
Ryan @ryantfriedman.bsky.social 
Sierra Grant @sierragrant.bsky.social Carnegie Fellow at the Earth and Planets Laboratory. Protoplanetary + circumplanetary disks. Formerly at MPE, BU, and University of Michigan. She/her. #BiInSci 🏳️🌈✨🔭 Opinions are my own.
sierragrant.com
Sal Capaccio @salsports.bsky.social Buffalo Bills beat reporter and radio sideline reporter for WGR550.
For inquiries: https://salsportsmedia.com
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.
Vincent Ledvina @vincentledvina.bsky.social 📷”The Aurora Guy”
🌌Space Physics Ph.D. student
📍North Pole, Alaska
🫂Participatory science, science comm.
🌀 Professional aurora chaser
👨💻Views my own
Burr Ito @ututuy.org I'm a scientist studying fluid dynamics in the cores of rotating planets and stars. I mostly post pics of clouds and timelapses. All media by me. He/him.
CTV News Ottawa @ctvnewsottawa.bsky.social CTV News Ottawa is your home for live, local, breaking news. Send us your news tip: ottawanews@ctv.ca.
The Beaverton @thebeaverton.com North America’s Trusted Source Of News
Patreon: https://www.patreon.com/thebeaverton
Merch: https://the-beaverton.myshopify.com/
They May Be Parted @theymaybeparted.bsky.social Hey, I’m Dan Rivkin and I’ve been writing about the Beatles’ Get Back sessions since 2012 at theymaybeparted.com. Same guy you’ve seen @theymaybeparted in all the other places.
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
Dennis @martiandennis.bsky.social All opinions are my own.
pixelatedboat aka “mr bluesky” @pixelatedboat.bsky.social The 76th most followed account on bluesky. I will NOT be updating this ranking when it’s no longer true
lanyardigan @lanyardigan.bsky.social Jerry (the mouse) looking over his shoulder long-eyelashly (she/her)
My posts https://bsky.app/profile/did:plc:2ji4cmweqk4lpn6fsyraot7i/feed/aaagst5qokuyq
Best ones https://bsky.app/profile/did:plc:2ji4cmweqk4lpn6fsyraot7i/feed/aaab5stvmv2xy
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
Dodi @astrododi.bsky.social Astrophotographer since 1975.
Worked as computer scientist at IBM, DEC and Hewlett-Packard and as a freelance photojournalist for Belgian newspapers.
Other interests: photography, cooking, vintage classical telescopes.
The Original Jimpanzee.. OOK OOK! @jimmessenger.bsky.social Finance Manager, Amatuer Astronomer, Warhammer nutjob.. Horse Thief...
Dale Ivan Smith @daleivan.bsky.social Retired librarian, now "full-time" writer/ reader of fantasy, SF and mystery. TKZ blogger. Author of The Empowered series, Meg Booker librarian mystery series, and various novellas and short stories. Avid stargazer, role-player, board gamer. Fez wearer.
Jack Fusco @jackfusco.bsky.social Chasing Starlight 🌌 | Drinking
Coffee ☕️ | Supporting Real Madrid ⚽️
SIGMA America Ambassador 📷
Daniel Pomarède @pomarede.bsky.social Cosmographer at Univ. Paris-Saclay | mapping the Universe | co-discoverer of Laniakea (our home supercluster of galaxies), Hoʻoleilana, and some other (very) large scale structures
📖 https://orcid.org/0000-0003-2038-0488
▶️ https://vimeo.com/pomarede
Thomas Williamson @abqtom.bsky.social Geologist, vertebrate paleontologist, amateur astronomer, scientist, lover of the natural world. #geology #Cretaceous #Paleogene #Paleocene #dinosaurs #dinos #astronomy #astrophotography #science #paleontology #newmexico #newmexicotrue #nmtru
AstroWalker @astrowalker.bsky.social Editor, artist, astrophotographer, astronomer
Kevin Earp @astrokev.bsky.social STEM ambassador and astrophotographer.
Published images in Astronomy Now, Sky at Night and Popular Astronomy.
Member of the Tiptree Stargazers.
Paint the soul, never mind the legs and arms
joegeiger @joegeiger.bsky.social Astrophotographer by night and UX Researcher by day. Life-long singer, guitar player and music lover. Husband, father and dog dad.
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)