Nisi Shawl @nisishawl.bsky.social Writer editor singer songer. Self-appointed ALT text Jello Sherriff.
Jesse Louis-Rosenberg @nervousjesse.bsky.social Cofounder and Chief Science Officer at Nervous System. Computational designer interested in geometry, fabrication and simulation. Also jigsaw puzzles, ultimate frisbee, and ceramics
https://nervo.us
Jorge Moreno @jorgitomoreno.bsky.social Associate Professor. 4th Mexican scholar to earn tenure in astronomy/astrophysics in the United States. Exploring more research heavy opportunities. https://jorgemoreno.org
Ada Palmer @adapalmer.bsky.social Daily #ShareGoodNewsToo
Novelist (SF & fantasy), historian (UChicago Renaissance, censorship, radical thought), composer (filk, Norse myth), disability (chronic pain), manga/anime (Tezuka), pics #SomethingBeautiful Blog exurbe.com Podcast “Beforecast”
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/
Annalee Newitz @annaleen.bsky.social bestselling author * Hugo winner * nerd
latest books: Automatic Noodle, Stories Are Weapons, We Will Rise Again
bylines: New Scientist, Flaming Hydra, etc.
pronouns: they/them
all the stuff: www.techsploitation.com
Yoel Roth @yoyoel.com Internet sanitation enthusiast and full-time corgi wrangler.
Martha Wells @marthawells.com SF/F Writer - The Books of the Raksura, The Murderbot Diaries, Witch King, Queen Demon, and more. Nebula and Hugo Award winner. NYT and Sunday Times Bestseller. (She/her) Agent: Jennifer Jackson
Jendia Gammon @jendiagammon.bsky.social “Jen-DEE-a”
Producer | Science Writer | Author | Editor | Artist
GODFESTATION (Out Now)
CEO and Editor-in-Chief of @starsandsabers.bsky.social.
Also J. Dianne Dotson.
https://jendiagammon.com
📍LA
Scott Edelman @scottedelman.bsky.social Scott Edelman is a Stoker Award-nominated writer and Hugo Award-nominated editor of science fiction, fantasy & horror, as well as the host of the Hugo Award-nominated Eating the Fantastic podcast! (He/Him)
Patrick Nielsen Hayden @pnh.nielsenhayden.com Retired SF and fantasy editor, winner of three Hugos and a World Fantasy Award. Amateur musician, bibliophile, genealogist, layabout.
He, his. Anti-trans dingbats, get lost.
Signal: pnh.09
erin morgenstern @erinmorgenstern.bsky.social Author of The Night Circus (2011) & The Starless Sea (2019), creator of The Phantomwise Tarot (2022). she/her. Ask me about my cat. https://linktr.ee/erinmorgenstern
Dr Tiffani Angus @tiffaniangus.bsky.social Multi awards-shortlisted SFFH & non-fic author. Editor & typesetter. SPEC FIC FOR NEWBIES 3 now in the wild! https://linktr.ee/tiffaniangusauthor Leftie, feminist, ex academic, ally, anti-AI. she/her. Now 🇬🇧 was 🇺🇸
Ian McDonald @ianmcdonald.bsky.social Writer, bon viveur, valet to 3 cats. 
Eugen Bacon @genni.bsky.social African Australian author, editor. Winner: Solstice, Ignyte British Fantasy, Locus Awards. Finalist Shirley Jackson, PK Dick, World Fantasy Award. Twice Otherwise honoree for exciting work in speculative fiction. eugenbacon.com
Rep: Bieke van Aggelen
Rudy Rucker @rudytheelder.bsky.social Rudy Rucker is a transreal cyberpunk writer with a checkered past. See Ware Tetralogy, Complete Stories & new evil president novel Juicy Ghosts. He posts on X, Bluesky & Mastodon. Paintings at https://www.rudyrucker.com/paintings
Charlie Jane "Lessons in Magic and Disaster" Anders 🏳️⚧ @charliejane.bsky.social Author of Lessons in Magic and Disaster about a woman who teaches her mother how to do magic — and uncovers a queer scandal hidden in a 300 year old book. Writing Star Trek: Zero Point for IDW Comics.
Nalo Hopkinson - Jamaica Ginger & Other Concoctions @nalohop.bsky.social Award-winning author of prose & comics, maker of food and small objects she/her/hers http://nalohopkinson.com
Nnedi Okorafor, PhD @nnedi.bsky.social *THE* Naijamerican PhD-holding, World Fantasy, multi-Hugo, Nebula, Eisner Award-winning, New York Times bestselling rudimentary cyborg writer, nnedi.com
Randall Munroe @xkcd.com 
Maureen Johnson @maureenjohnsonbooks.com she/her
Author. Not the one from Rent.
IG: https://www.instagram.com/maureenjohnsonbooks/
https://maureenjohnsonbooks.com
Ellen Datlow @datlow.bsky.social Award-winning editor of short sf/f/h. I live & die by the Oxford comma & I skeet about my passions, take it or leave it. I block mooks-don't be one. she/her
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Rep. Alexandria Ocasio-Cortez @ocasio-cortez.house.gov This account is maintained by federal staff to share services and legislation relevant to constituents of NY-14.
Charlie Stross @cstross.bsky.social SFF author, triple Hugo award winner (and three times Locus award too), over a million books sold.
Mostly on Mastodon: @cstross@wandering.shop
Blog: https://www.antipope.org/charlie/blog-static/
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/- J Jessie Dotson @jessiedotson.bsky.social
Alessandra Candian @donnainfiorino.bsky.social Assistant Prof. at @api.uva.nl in Amsterdam | Astrochemistry | Carbon Molecules & Dust | Titan | Interdisciplinary Education | #EDI | WiF board @wif.bsky.nl | #OpenScience | Working Mum | Lazy Runner | opinions my own 
Dr. Eileen Gonzales @egonzales788.bsky.social Assistant Professor at SF State | Black In Physics director | Researching brown dwarf atmospheres and their clouds in the Cloud | #BlackandSTEM | #LatinaInSTEM | lindy hopper 
Anastasia Laity (alaity47 elsewhere) @alaity.bsky.social SCUBA diver/instructor, computer geek, general nerd
Beth Willman @bethwillman.bsky.social LSST Discovery Alliance, CEO- S Andrés Jordán @sidereuskinch.bsky.social Astrophysicist.
Jonathan Crass @jcrass.space Instrument Scientist in the Department of Astronomy at The Ohio State University. Build instruments for telescopes I Outreach | British | He/Him 🏳️🌈
Jos de Bruijne @astrojos.bsky.social Father of 2, husband, hobby wildlife photographer, #AFOL. Astronomer at European Space Agency @ESA working @ESA Gaia & @ESA ESDC. Tweets are my own. He/him/his.
John Gizis @johngizis.bsky.social Astronomer, University of Delaware
Speaking for myself. 
Dan Tamayo @astrodan.bsky.social Assistant Prof @HarveyMudd studying how planetary systems form and evolve. Past-Chair of the AAS Division on Dynamical Astronomy (he/him).
John Wenz @johnwenz.bsky.social Journalism dropout
Caitlin 🪐 @caitelizabelle.bsky.social astrophysics undergrad | exoplanet enthusiast
🩷💜💙
Dr. Emily Rickman @astrorickman.bsky.social Astrophysicist - European Space Agency/STScI 🇪🇺🇺🇸 Direct Imaging Exoplanets & Brown Dwarfs✨🇬🇧🇦🇺🇨🇭🏳️🌈 she/they
Dr. Alysa Orbits (Obertas) @astroalysa.bsky.social Queer & disabled astronomer formerly at UofT & CITA. Dynamics, planets, & ballet. Posts reflect opinions of Sailor Galaxia, not my employer. She/her 👩🔬💃
John Wisniewski @wistwitski.bsky.social Astronomer, Dad, Pug Aficionado. Comments/posts do not represent those of my employer.
John Carney @johncarney.dev An Australian Rubyist living in USA. Agile enthusiast, TTRPG fan. ADD/ADHD. He/they.
Check my pinned thread for more details.
JJ Hermes @jjhermes.bsky.social Always be looking up. Former Texan, current Associate Professor of Astronomy at Boston University. https://sites.bu.edu/buwd/
Dr. Sarah Biddle Leslie (they/she) @extragalactic.bsky.social Astronomer posting space art.
Instagram: @Fashionableastronomy
🏳️🌈🇦🇺
Isabel Sands @isabel-sands.bsky.social Physics PhD student at Caltech, interested in everything dark matter. Incoming MIT School of Science Dean’s postdoc fellow. Yale physics ‘21 (she/her)
Laura Rogers @astroloz.bsky.social Astronomy postdoc studying dead planets around dead stars (a.k.a. polluted white dwarfs)
☄️+💀💫=🔭😲
A. Suárez Mascareño @asuarezmascareno.com Hunting low mass exoplanets.
Decker French @deckerkf.bsky.social Astronomer at U Illinois, galaxies, transients, supermassive black holes, hiking, sailing, dogs
Suzanne Aigrain @airbornegrain.bsky.social Discovering and understanding planets and their host stars. Watch my TEDx talk: https://t.ly/sk2wB
Dr. Luisa Rebull @lrebull.bsky.social Astrophysicist and domestic goddess! Any opinions here are just mine and do not necessarily represent those of NASA or Caltech. 
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Paolo Bacigalupi @paolobacigalupi.bsky.social Hugo, Nebula, and World Fantasy Award winner. Micheal L Printz Award winner. National Book Award finalist.
Wrote NAVOLA, THE WINDUP GIRL, THE WATER KNIFE, and SHIP BREAKER, among others.
windupstories.com
Jeff VanderMeer @jeffvandermeer.bsky.social NYT bestselling author of the Southern Reach series, including Annihilation. Agent Joe Veltre at Gersh / speaker bureau Authors Unbound. To contact, use the contact form at jeffvandermeer.com. PDX, anti AI, he/him
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
Brian Fitzpatrick @therealfitz.com Chasing Wonder, Engineer, Author, ORD Camp Instigator, Feminist. Previously: Founder & CTO of Tock, Xoogler, Ex-Apple. He/Him.
Optimizing for kindness
wonder.voyage
debuggingteams.com
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
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.
Neil Gaiman @neilhimself.neilgaiman.com Makes things up. Writes them down. Dreams about growing up but not yet. 
C.C. Finlay @ccfinlay.bsky.social writer, editor, teacher | part of the great Twitter diaspora
Tobias S. Buckell @tobiasbuckell.bsky.social Grenadian-born, Virgin Island raised, Ohio settled, SF/F author. I also teach creative writing as a prof. Views my own. More at http://www.tobiasbuckell.com (email Tobias at tobiasbuckell.com to reach me if needed)
N. K. Jemisin @nkjemisin.bsky.social Writer. She/her.
SB Divya @sbdivya.bsky.social author | editor | engineer
(she/any)
📚 science fiction & fantasy
🧠 board member of Ansyme
🎙️ former editor at Escape Pod
💻 machine learning & DSP
🦼 Long COVID / MECFS
sbdivya.com
Prof Chris Jackson @seismatters.bsky.social Geoscientist | Occassionally on 📺 & 📻 talking about geoscience | I 🏃🏾♂️🚴🏾♂️ 🧗🏾♀️🎸🍺| he/him | 🏳️🌈🏳️⚧️| “Self-declared King of Geotwitter” (Palin, 2022) | Professional (East)Midlander 😎
Daniel Abraham @abraham.bsky.social Novelist, screenwriter, and the James half of James SA Corey. Will block on tone.
He/him
office@danielabraham.com
Paul Gowder @gowder.io Prof @ Northwestern law, political theorist, cat parent. Black lives matter.
Profile, pubs, etc: https://gowder.io
All my books (rule of law, racial justice, platform governance) are downloadable in free open access pdf @ https://books.gowder.io
Ann Leckie @annleckie.com Author of the award-winning Ancillary Justice. Lives in St Louis.
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
Filippo Valsorda @filippo.abyssdomain.expert RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
Professional open source maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter
adafruit @adafruit.com Engineer - Founder of Adafruit - Brooklyn, NY USA - Manufacturer, open-source hardware, certified Minority and Woman-owned Business Enterprise (M/WBE) https://adafruit.com - support https://forums.adafruit.com & order/customer help support@adafruit.com
Doctors Without Borders / Médecins Sans Frontières (MSF) @msf.ca 🚑 Providing medical care where & when it’s needed.
🥼 Fournir des soins médicaux humanitaires là où les besoins sont les plus grands.
Independent. Neutral. Impartial. | Indépendant. Neutre. Impartial.
doctorswithoutborders.ca | medecinssansfrontieres.ca
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Elizabeth Tasker @elizabethtasker.bsky.social UK astrophysicist and science communicator working at the Japan Aerospace Exploration Agency (JAXA). Author of 'The Planet Factory' and editor of ‘Planetary Diversity’. Very into space, virtual reality, computer graphics and rescue cats.
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.
Brianna Wu @brianna.bsky.social Former Candidate for US House in MA. Software engineer. Like to go fast. 🏎🏍🏃🏻♀️🎮 brianna@hey.com
Meredith Whittaker @meredithmeredith.bsky.social President of Signal, Chief Advisor to AI Now Institute 
Danielle Fong @daniellefong.bsky.social ultralight power and energy, physics, ai, building in secret in public 
Jon Evans @rezendi.com engineer / novelist, occasional journalist / CTO / archivist / peripatetist; see https://rezendi.com/
Eva Infeld @evainfeld.bsky.social (Dr.) Mathematician, backpacker, seeker.
Montreal/Warsaw
Lucy Lu Wang @lucylw.bsky.social Asst Prof @uwischool.bsky.social; #NLP #healthinformatics #accessibility #scholcomm
🚴🏔️🍄❄️⛷️🧶⚫️⚪️📚🍸in Seattle; llwang.net; she/her
bryan newbold @bnewbold.net oscilloscopes, cycling, snow, big cities, wiki. I like speculating about found objects.
protocol and standards @bsky.app. formerly archive.org
elsewhere: bnewbold.net / @bnewbold@social.coop