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.
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.
Roscoe @handle.invalid artist ~ 18 ~ lesbian ~ any pronouns ~ EN/TP
i love the aurora borealis. and cats.
likes =/= endorsement or a profile visit
📷= Sony a6400 + Canon AE-1 Program
‼️ May interact with 18+ accounts
PicastroApp @picastroapp.bsky.social A dedicated social media app for Astro with no bots, ads, fake accounts or spam. Hi res images to view :-) available on your App Store now.
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science
Astronomía + Ciencia @elsegundoluz.com 🤔 Pensando la ciencia 💫
Jorge A. Vázquez, artista de los planetarios desde 1996.
Investigo comunicación e historia de la ciencia en UV.
Yo también renuncié a dirigir un máster en UNIR, en mi caso el de astrofísica.
Socio de AEC2 y SEO Birdlife.
Charles Cunningham @surioussurious.bsky.social 🌐 Machine Learning Enthusiast | Student of Culture | 🐾 Dog Dad to Rusty | Salutogenesist | ULC Minister | Trekkie | Oklahoman | Survivor | Love & Peace | Strength in Diversity | Pacifist | Combat Vet | Writer | Photog |
The Optical Artisan @theopticalartisan.bsky.social New Zealand based astrophotographer capturing the breathtaking beauty of the night sky. Specializing in nightscapes, I strive to share the awe-inspiring wonders of the cosmos through my images.
©️ All photos are my own ©️ *except for reposts.
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.
Astro_Vino @astrovino.bsky.social UK based amateur astronomer, astrophotographer and general space nerd - ‘Drinking the night sky’
https://www.astro-vino.co.uk/
EdHoltAstro @edholtastro.bsky.social Amateur Astrophotographer, Proud Father, Lucky Partner, Spurs
Loran Hughes @westwoodastro.net Son of Oregon, gadget junkie, Mac addict, retired USAF NCO (linguist/analyst), and former CTO in the real estate industry (retired^2). Practicing the dark art of astrophotography. http://astrobin.com/users/lthughes/
Lt Nono @ltno2.bsky.social Northern hemisphere astronomy enthusiast and Islay Single Malt lover. Cats shall one day rule the world. 🔭🥃 🐈
https://www.astrobin.com/users/Ltno/
Alumnus Université Côte d'Azur/OCA 🔭🌌
So long and thanks for all the fish...
Nataniel’s Astro Road Trips @natanielsart.bsky.social Southwest astrophotographer.
Reconnecting people with nature & night sky🌌✨
📷 16 auroras since April 2023 at ~36°N 🤩
www.nataniels.com - Prints & 2026 astroplanner
https://www.instagram.com/natanielsart
https://youtube.com/@natanielsart?si=-3tfScm6SgXdGqi6
Dummy Mage @twoint.bsky.social Amateur astrophotographer.
I only have 2 INT.
Want one of my photos? Get a print here:
https://www.inprnt.com/gallery/twoint/
Support me on ko-fi! https://ko-fi.com/dummymage
@neilmac65.bsky.social @neilmac65.bsky.social 
Cielos Boreales @cielosboreales.com Solo un aficionado a la astronomía.
Paul Gibbs🔭 @stargazerguy.bsky.social Notts County supporter, cat lover and amateur Astrophotographer
Manuel Huss @manuelhuss.bsky.social Astrophotographer from Luxembourg - I like the night sky, our planet, trees, spaceships, mountainbikes and lego. I also like breathing (exercice), walking barefoot, and politics (when in the right mood)
🌍🇪🇺🇱🇺 | working @alia.lu
Göran Fredriksson @goranfredriksson.bsky.social Science nerd from Sweden Latitude 63. Space exploration. Auroras! Solar system and beyond!
Science-Fiction, Astronomy, Photography and Physics. And food 🙂
Member on Bluesky since October 31 2023
Paul Macklin @mathcancer.bsky.social Professor of Intelligent Systems Engineering at Indiana University School of Informatics, Computing and Engineering • mathematical biologist • multicellular systems & cancer with PhysiCell • OpenSource • astrophotography
Web: http://MathCancer.org
Bruno Lailler @kenaroh.bsky.social Cadre informaticien retraité, passionné par l'astronomie, la photo et le monde qui nous entoure, je suis dans l'ouest de la France.
D.U. astronomie-astrophysique - DEUG Biologie
https://kenaroh.blogspot.com/
Jonathan @jonathans.bsky.social Amateur astrophotographer
Michigan State alumn in astrophysics and business analytics
he/him
https://linktr.ee/op_astro
Andy Casely @deep-twilight.bsky.social Planetary imager for fun, earth extreme weather for work, I like trail running, wild places, cool images, relaxing with cricket. Blue Mtns 🇦🇺
🪐 APOTY shortlist x6 (2019 planets win)
☀️ Malin awards wins 2021, 2024 (x2)
🚀 APOD x2
Dr. Keith R. Brunt @profbrunt.bsky.social Translational Medicine, (keith.brunt@dal.ca) #NBpoli #CdnPoli ᑲᐁᐧᒉᐊᐧᑲᐣᐸᔦᐦᐅᕁ (Ally) in Truth & Reconciliation #TRC. #CardioSky #PhysiologySky #MedSky Amplifying 1001+ voices. Tenured. Imperfect.🫀🧪❤️
Gary Parker @garyparker83.bsky.social space geek :) member of the Cody Astronomical Society. planetary sciences. geology. F1 fan but aviation mad, #MND #MNDA
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
Phather Phelps @phatherphelps.adventuretheory.org #Space #Engineer #photographer #Traveller Humanitarian Pragmatist
Capturing Nature, Wildlife & Heritage.
Check out my site adventuretheory.org
#worldheritagesite📍181/1223
| Views do not reflect or represent the DoD |
Marc Rassel • Astrophotographer @marcrasselphoto.bsky.social I’m a landscape astrophotographer and workshop leader based in Minnesota, USA.
Simon Kapadia @astrophotos.uk Astrophotographer, Karate-ka, Radio Ham, Motorcyclist, Musician, Motorhomer, Cruiser, Computer Security Nerd, Maker, Hacker
Dr. Peter @astrophoto.bsky.social Astrophotography, sailing, guitar, data science. Not necessarily in that order. Expat living in Switzerland. 
Amber Canales @ambercanales.bsky.social Caffeinated cat mom.
Novelist-In-Progress.
Endless miscellaneous interests.
Austin, TX
IG: @amber.wrote.this
Lᵉᵉ Quinton @leeq.bsky.social Husband, Father, Archery enthusiast 🏹, Amateur Astrophotographer 🔭📷, InfoSec, and Physics student. Reader/Watcher of Sci-Fi/Fantasy/Comedy, Respecter of History. Comments are my own.- G Guillaume Bertrand @guillaumebertrand.bsky.social Software Engineer | Amateur astronomer (Astrophysics, Spectroscopy, Photometry...) 🪐 🌈 🔭 | Science lover | Musician 🎵
https://guillaumebertrand.notion.site
https://staros-projects.org
https://www.sunscan.net
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
William Harwood @rocketksc.bsky.social Full-time space reporter, based at the Kennedy Space Center, since 1984; first with UPI, now with CBS News, covering human space flight, planetary exploration, commercial space operations and general astronomy
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)
Antlia_filter @antliafilter.bsky.social Antlia Astronomy Filter
Kat @quantumkat.bsky.social ✨ Katherine
Astrophotography Enthusiast / Hobbyist Photographer
🌌 Astrophoto: Every image here is my own—from capture to processing.
📷 Photo Art: Unique creations, 100% original.
Paul Picazo @picazo.bortle.org 🖼️ https://astrobin.com/users/picazo/
💾 https://bortle.org/datasets (raw AP data)
all images posted covered by:
https://creativecommons.org/licenses/by-nc-sa/4.0/
Félix León @photofxs68.bsky.social 
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Chris R @lazjen.bsky.social Interests in Astrophotography, Space, Cats, Nature, Environment, RPGs, EVs, 3D Printing, Tech and more.
Banner image is Moth and Titania, brother and sister. Abyssinian cats.
ᴄ ꜱᴛᴜᴀʀᴛ ʜᴀʀᴅᴡɪᴄᴋ🛸 @cstuarthardwick.com @ᗩᑎᗩᒪOG_Sᖴ ᖇegular ⭐ ᗯriters of the ᖴuture & ᒍim ᗷaen ᗩward Winner ⭐ Quora Top ᗯriter ⭐ Southerner from South ᗪakota ⭐
A unique voice known for inventive, thought-provoking narrative, philosophical depth, and fun!
Be excellent to each other.
Andreas Fischer @afischer.bsky.social Astrophotography, Birdwatching, PhD Biology, SciComm 🏳️🌈
http://instagram.com/ansefischerbilder
Jordan Maples @maples-astro.bsky.social Seattle based astrophotographer.
Married to @codecoffeecode.bsky.social.
Pour over is best coffee.
Furry trash.
Elsewhere I'm sloppyjaconda
All photos posted are my own.
#photography #astrophotography
Soon to be former software engineer.
John Talbot @jochta.bsky.social Oxfordian. Teacher of Physics, Astronomy and Environmental Science. Interests include science, weather, astronomy, cycling, running, table tennis and video games. Often found in front of a computer.
Nagoh Creative @nagohcreative.bsky.social At Nagoh Creative, we don't just build apps—we craft digital experiences that resonate, engage, and endure. Visit us at https://nagohcreative.com
tiggy @bctiggy.bsky.social Nature nerd. Lava lover. Rock licker. Slightly political cat Mom. Liberal AF.
🇨🇦Lower Mainland, B.C.🇨🇦
🇺🇦I stand with Ukraine🇺🇦
⛔No DMs.⛔
I drink coffee for the flavour, I swear.☕
Dave @photonphanatic.bsky.social I shoot astrophotographs for fun. Retired/recovering engineer. Husband, dad, stepdad, granddad, bird dad, snowbird.
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
🪐Ashley 🔭 Lindalía☄️ @that-astro-chic.bsky.social Astrochemist ⚗️ | Planetary Scientist 🔭 | The Realest In The Streets | Founder of BlackInAstro | Fairy Godmother of Astro 🧚🏽♀️| Astronomy's fave hype woman| NASA FINESST| Ice Queen 🧊🌨| Planetary Science Doctoral Student|
Kartott 🦋 @karentotten.com Experience Design (retired), Artist, Ceramicist, Quilter #Janeite #BillsMafia #SlavaUkraini
My work: starryroadstudio.com
Also at starryroadstudio.bsky.social
Dr. Chelle Gentemann @cgentemann.bsky.social Open Science Program Scientist at NASA HQ.
Some things I love: data, code, compute, AI, art, & open science.
More at: https://cgentemann.github.io/
All opinions here are my own.
Dave Blass @daveblass.bsky.social Production Designer: Star Trek Picard, The Boys, Ghost Rider, Amazing Stories, Locke & Key, Preacher, Constantine, Justified, Pitch, Quantico, Longmire, Rectify
Terry Matalas @terrymatalas.bsky.social Showrunner/Director/popcorn maker. STAR TREK PICARD on Paramount+. 12 MONKEYS on Syfy/Hulu/Amazon/iTunes. And some other stuff…
Jay 🦋 @jay.bsky.team Founder & Chief Innovation Officer @ Bluesky
Working on @attie.ai
🌱 🪴 🌳
Meredith Haggerty @meredithhaggerty.bsky.social Never getting any taller. Senior Reports Editor @ The Verge.
Mike McMahan @mikemcmahan.bsky.social Creator of Star Trek: Lower Decks, co creator of Solar Opposites. My mom tells people I still write Rick & Morty. Golden Axe and Odd Jobs are both coming soon.
Alexandra Witze @alexwitze.bsky.social Science journalist and correspondent for Nature (she/her). Opinions = my own. Reach me at alexwitze.01 (Signal), witzescience (@gmail.com), or awitze (@protonmail.com).
Lisa Grossman @astrolisa.bsky.social Science journalist (current: Science News; past: New Scientist, Wired). 2023-24 Knight Science Journalism fellow. Lifelong astronomy nerd. Queer Jewish mom 🏳️🌈 she/her/hers
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/
Trace Dominguez @tracedominguez.com I make internet, TV, video, and podcasts. If you want to learn something new, I can help
Weekly astronomy update: www.pbs.org/show/star-gazers/
Weekly sci/fun podcast: That's Absurd Please Elaborate: pod.link/1680094699
Everything Else: linktr.ee/trace
Timothy J. Seppala @timseppala.bsky.social Journalism broke my mind, body and spirit so now I’m here! Seen in: Engadget, Daily Beast, Ars Technica, Detroit Metro Times.
Detroit | Music | Photography 📸
plainsightphoto.com
Alka Tripathy-Lang @dralkatrip.bsky.social Science Communicator | Writer | Editor | Social Media Manager | Former dater of rocks | Ph.D. in Geology | Exerciser | Food lover | Parent | Partner | she/her 
Rachel Courtland @rachelcourtland.com Editor at MIT Technology Review (@technologyreview.com), commissioning news, features, and essays | Science and technology journalist and forever physics nerd 
John A. Read @learntostargaze.bsky.social Host of Learn To Stargaze. Author of the “Things to See With a Telescope” series. Johns Hopkins Grad Student.
Matthew S Williams @houseofwilliams.bsky.social Writer, sci-comm, podcaster, and SF author, living in BC with my wife and family!
https://www.universetoday.com/authors/houseofwilliams
https://www.itspmagazine.com/itspmagazine-podcast-radio-hosts/matthew-s-williams
https://muckrack.com/storybywill/arti
Matt Ingles @everythirdthought.bsky.social Love y'all! Astrophotography. Music. Walking/exercising. Cooking. Content creation. Universal semi-direct democracy. Good labor unions. Tax religious groups fairly. And encourage pick up sports games
Sakhee Bhure @sakhee-space.bsky.social planets and poems
graduate student @unisqaus
post-bac researcher w @aussiastronomer.bsky.social
@FloridaTech
@iiserpunesac
@thewirescience
she/her
Tom @astronauticist.bsky.social interplanetary chief engineering | ex-JPL&Caltech
democracy | physics | planetary & else space sciencing
trek 2001 Dune Marvel Alien | , uncle, animals’ friend
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Steve Hardesty @jsh02.bsky.social Amateur photographer, star gazer, dad, grand dad. Sound guy/stage hand for 30 plus years. Dad of an AstroPhysicist. Recovering from cancer. Terrible speller.
https://www.flickr.com/photos/152564465@N08/albums
Enrique T Boeneker 🔭 @cosmosidewalk.bsky.social Amateur astronomer and astrophotographer. Member of AAVSO.
Andy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social 40 years of prize-winning sustainability journalism, mostly @nytimes, #sustainwhat webcaster https://revkin.substack.com, #Anthropocene Working Group member, solution seeker, songwriter https://j.mp/revkinlinks
Starre Vartan @starrevartan.bsky.social I'm a Science Journo & Author: The Stronger Sex (Seal Press/Hachette, 2025) Also: Weightlifter, Ceramic Sculptor, Wild swimmer, Ecstatic Dancer, Trailrunner 🇦🇺🇺🇸 dual citizen
Bylines: Nat Geo, WashPo, SciAm (+ pods), my book 👇
🔗 https://tinyurl.com/ye7nrwp7
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Fraser Cain @fcain.universetoday.com Space journalist and skywatcher. I'm the publisher of Universe Today (universetoday.com) and co-host of Astronomy Cast (astronomycast.com). YouTube: https://www.youtube.com/@frasercain
Andrea Leinfelder @andrealeinfelder.bsky.social Space and science reporter @HoustonChronicle.com. Foodie, adventure seeker, mom of two kids and one dog. Send tips and favorite sci-fi references to Andrea.leinfelder@houstonchronicle.com.
Meredith Rawls @merrdiff.bsky.social Astronomer at UW, data pipeline wrangler for Rubin Observatory, satellite mitigation leader via IAU CPS SatHub, mom, violist, Ballardite (Seattle), family cargo e-bike evangelist, Episcopalian, etc. Opinions all mine
Lunar🌙Luster @lunarluster.bsky.social 🇨🇦 living in 🇺🇸
In love with the moon, stars, space, rockets, the sky, art, music, beautiful words, and deep thoughts.🧿
🌒🌕🌘
Artist. Space. Science. Music. DMs closed.
My Posts: https://bsky.app/profile/did:plc:pr3mbv54kbvtakqtlsurm3f2/feed/aaafopzhh7cjc
Space Weather Watch @spacewxwatch.bsky.social Aurora forecasts and solar physics updates by a space weather physicist working at NASA. Opinions may not represent official gov’t forecasts.
https://linktr.ee/spacewxwatch
Association of Lunar & Planetary Observers @alpo-astronomy.bsky.social The Association of Lunar & Planetary Observers (ALPO) is an international organization devoted to study the Sun, Moon, planets, asteroids, meteors, and comets.
https://alpo-astronomy.org/
Observers Notebook
https://soundcloud.com/observersnotebook/
Adrian West @adrianwest.bsky.social Behind the curtain of the @Virtualastro Astronomy Account and author of The Secret World of Stargazing.
Lover of nature, science fiction and fine things.
Always up to something...
On and off stage.
www.nightskyshow.co.uk
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
Jon Gibbs @jongibbsphoto.bsky.social Landscape Photographer and photo tour leader.
Works p/t for the National Trust.
Bass playing cake baking meditating.
https://www.jon-gibbs.co.uk/
DutchSpace @dutchspace.bsky.social Multipurpose spacecraft wrangler for @esa.int
Opinions my own.
https://x37b.nl
DarkSky International @darkskyintl.bsky.social Restoring the night and protecting communities from the harmful effects of light pollution through outreach, advocacy, and conservation.
DarkSky.org
Marko Prokic @proksima.bsky.social Climate change and environmental pollution on 🐸🦎🐟. #ecophysiology, #amphibians, #lightpollution, #oxidativestress
Leader of ENLIGHT project and AmphibiaLab
www.enlightproject.rs/team
www.researchgate.net/lab/AmphibiaLab-Tijana-B-Radovanovic
Kelly Reidy @drunkascheese.bsky.social https://www.kellyreidy.com/
Science & music & bats!
Marieta Valdivia Lefort @marietaconstanza.bsky.social Policy & Diversity Officer @ Royal Astronomical Society | Head of Internship & Senior Research Officer @ Space Court Foundation
Dr Chris Barnes @drchrisbarnes.bsky.social Chartered Psychologist | Dark and Quiet Skies Advocate | Nature Connection Research | Nature at Night
Raul Cerveira Lima 🇪🇺 @raulclima.eurosky.social PhD. #LightPollution: Modelling, measuring & policies #poluiçãoluminosa #IA - Institute of Astrophysics and Space Sciences University of Coimbra
Physics @ E2S | Politécnico do Porto
#IAU-Commission C.B7
Also #music #environment #nature #wildlife
Airam Rodríguez @airamrodriguez.bsky.social #conservation #lightpollution #raptors #seabirds #ornithology
#RyC Fellow at #MNCN #CSIC
@Airam_Rguez@nobigtech.es at #Mastodon
www.airamrguez.weebly.com
www.ecolightsforseabirds.weebly.com/news
Leora Radetsky @lradetsky.bsky.social Lighting scientist. Decarbonization, energy efficiency, light pollution mitigation, integrative lighting. Opinions are my own.
https://www.researchgate.net/profile/Leora-Radetsky
John Bulmer @johnbulmer.bsky.social Professional Photographer. Photo Historian. ADK Mtn News Publisher. Dark Sky Advocate. Proud Trojan.
Robin Heinen @robinheinennl.bsky.social Father of two | Husband | Plant-Insect Ecologist @ TUM | Artificial Light At Night | Editor @ Annals of Applied Biology & Functional Ecology | Reptile & Bird enthusiast