Ethan Siegel
Cosmologist, science communicator, author, speaker, and longtime writer of Starts With A Bang.
Not the next Carl Sagan; the first Ethan Siegel.
@noamross.net
Computational disease ecologist. Executive Director of @ropensci.org. Brooklynite. One Health, open science, #RStats, cities, civics, bikes, fun, love, progress + justice. he/him Also currently co-maintaining https://grant-watch.us/
@michaeltremmel.bsky.social
Astrophysicist, Cat Dad, Comic book enthusiast. Lecturer at University College Cork (Ireland) He/Him https://mtremmel.github.io
@smenor.com
PhD physics MS microbiology Black Lives Matter Land Back Pro-Abortion he/they https://smenor.com/ PFP: white male outside in snow wearing a black KN95 mask Banner: orange clouds at sunset and high tension powerlines
@konstantinhaubner.bsky.social
Galaxy dynamicist and radio astronomer investigating the rotation of disk galaxies. PhD candidate at INAF's Arcetri Astrophysical Observatory and at the University of Florence. Vor uns das All. 🌌
@standupforscience.bsky.social
Because Science is for everyone! 🧪🌎 Learn more ⬇️ https://linktr.ee/standupforscience2025 👯sister org: @sciforgood.bsky.social
@astroburcu.bsky.social
Sapere Aude Ph.D Candidate in IU. Stellar Astrophysics, Star-Forming Regions, Open Clusters and OB Associations.
@mattbothwell.com
Astrophysicist, science communicator, author, human person 🪐 Public Astronomer at the University of Cambridge 🏛️ Bye-fellow at Girton College, Cambridge 📚 Represented by Laurie Robertson and Lucy Irvine at PFD agents www.mattbothwell.com
@darksapiens.bsky.social
Astrophysics, science communication, sci-fi, nerdery (he/him) https://linktr.ee/darksapiens
@drjovian.bsky.social
STFC Ernest Rutherford Fellow at the Open University. Astromum x 2. FRAS. Christian, singer, bookworm, musical theatre super fan.
@planetcynthia.bsky.social
Planetary geologist at NASA JPL. Europa is my favorite place in the solar system! Author of Astrophysics for Dummies https://www.amazon.com/Astrophysics-Dummies-Cynthia-Phillips/dp/1394235046/ and other books. Tweets are my own. She/her 🏳️🌈
@sundogplanets.mastodon.social.ap.brid.gy
Professor of astronomy, farmer of goats. Asteroid (42910). She/her. Has mostly lived in warmer places, now learning to live respectfully on Treaty 4 […] [bridged from https://mastodon.social/@sundogplanets on the fediverse by https://fed.brid.gy/ ]
@danfalk.bsky.social
Hi! I write about #science for Smithsonian, Discover, Quanta, Nautilus, Undark, National Geographic, CBC Radio, & many other outlets. Books include The Science of Shakespeare and In Search of Time. Co-host of BookLab podcast. 🔭🪐⭐️⚛️
@chasdarrow.bsky.social
Amateur Astronomer, Exo Planets, Dog-Lover, Euro Rack Synthesizers, Photography, Alpine Skiing, Science, In the Emmy wining documentary “The Hunt for Planet B” Married to @ saraseager.bsky.social
@dpthorngren.bsky.social
Davis Fellow at Johns Hopkins studying exoplanet interiors with computer modelling and statistics. I'm also on Mastodon: @dpthorngren@mastodon.online
@hogg.bsky.social
Astronomer, physicist, statistician, data analyst. (Totally not at all the other David Hogg). I live on Lenape land.
@sinclaire-manning.bsky.social
astronomer, soccer lover, procurer of chill vibes ☘️ | she/her
@goastromo.bsky.social
“Genuinely funny astrophysicist” “Artemis reincarnated” “I want to be her when I grow up” Cat mom! Expert in space, folklore, & worldbuilding. Host of things, writer of stuff, speaker of words moiyamctier.com
@bemiles.bsky.social
51 Pegasi b and Presidential Fellow at the University of Arizona -> Assistant Professor Fall 2025. Astronomer. Aunty. She/Her. https://bemiles.github.io/ infraredastronomy.tumblr.com
@astrojthe3.bsky.social
Astronomer, Learning and Education Design specialist @harvard.edu @cosmicds.bsky.social Comments, RTs, likes are all me and represent on one else
@chanda.bsky.social
Assoc. Prof.: Theoretical Cosmology and Particle Physics ⚛️ 🔭 & Black Feminist Science Studies 🧪 Writer 📚: #DisorderedCosmos #EdgeOfSpaceTime #CosmosIsABlackAesthetic Web: chanda.science all Black/all Jewish. queer/agender/woman. Posts by/for me🖖🏽
@andreabryant.bsky.social
🚀Provost’s STEM Postdoctoral Fellow at Brown University 🪐Planetary Seismologist & Astrophysicist 📍Providence, RI
@ra1sinbran.bsky.social
Space Physics Master's Student @ UCLA | Solar Physics Connoisseur | #BlackinAstro, #BlackinPhysics | B.S. Physics/Astronomy @ UT Austin | He/Him https://brandonjlazard.github.io/
@astroarianna.bsky.social
professor studying galaxy evolution & cpo at vanguardstem servant to my dog. simultaneous coffee + tea snob. dancer. writer. #BlackinSTEM | autizzy | she/they
@capricephillips.bsky.social
OSUAstro PhD Candidate | brown dwarfs & exoplanets| #BlackInAstro VP| Incoming Sagan Fellow@UCSC 🍌🐌 |plan(e)t mom 🪴/🪐|she/her/hers Website: https://capricephillips.github.io
@divyampersaud.com
DIV•yah, she/her, space/materialist, will not affirm the imperialists. 🇬🇾 https://linktr.ee/divyamp Posts are ALL scheduled. [Profile: black & white photo of a brown woman in a suit and bowtie. Banner: a dark red backdrop]
@cheyennepolius.bsky.social
Astrophysicist | Data Analyst | Founder of LUNAA Journeys | Social Media Director for Black In Astro
@link.spacelawshitpost.me
The Bluesky Sage of Shitposts and Space Law. Bluesky Elder. Apex User. Profile: Cartoon AJ drawn by @atlastalos.bsky.social. Banner: “I am not going to bury my account, my account is going to bury me.” - John Q.
@maddyjalbert.bsky.social
Postdoc at the Center for an Informed Public at the University of Washington. Social Psych PhD at USC. I study misinformation correction and how people make judgments of truth. Otherwise probably in the mountains. She/her
@astrothayne.bsky.social
Astrophysicist at Subaru Telescope/U. Texas. Exoplanets, Direct Imaging. Empiricist. Likes scientific rigor. Fan of his golden retriever and peer review. https://subarutelescope.org/staff/currie/
@knudjahnke.bsky.social
Astronomer, Euclid Consortium functionary; likes black holes, galaxies, and sustainable research.
@spschmidt.bsky.social
PhD student at Johns Hopkins University. I'm interested in finding out more about stars and exoplanets by how they interact with each other. I also like taking pictures of things.
@jtimmer.bsky.social
Ars Technica's science editor. Various other things that are far less interesting. Check my author profile on Ars for my email. jtimmer.95 on Signal.
@james4cet.bsky.social
Astronomy & Public Engagement | Co-ordinating outreach for the Euclid Space Telescope 🛰️ 🔭☄️ | he/him
@distantworlds.space
Exoplanet Astronomer 🪐 🔭 at the University of Michigan (NASA Sagan Fellow). Incoming Lecturer at the University of St Andrews 🏴 (June 2025).
@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.
@asteroiddave.bsky.social
R&D Operations Engineer - Catalina Sky Survey (UofA LPL), Planetary Defender, Programmer, Comet & Asteroid Hunter, Rockhound, Photographer / Storm Chaser, Flood Guru, Naturalist, Atheist. www.rankinstudio.com (personal site) Saguaro Observatory (V11)
@stellerarts.com
✨ telling science stories through art 🔭 space artist + planetary astro PhD 🪶 bird nerd • gamer • cloud watcher 🎨 next update: May 14 ⬇️ join email list https://stellerarts.com/pages/scientifically-accurate-star
@coreyspowell.bsky.social
Fascinated by things very big, very small, and beyond the limits of the human senses. Founder of OpenMind: www.openmindmag.org Creator of the Invisible Universe column: https://invisibleuniverse.substack.com/
@soto97.bsky.social
Planetary scientist and aerospace engineer. He/him. https://www.alejandrosoto.net
@mapping3k.bsky.social
UCLA astronomer working on space CMB and IR. On the COBE, WMAP, SIRTF and WISE missions. See my cosmology tutorial at https://www.astro.ucla.edu/~wright/cosmolog.htm
@chrischirp.bsky.social
Prof Operational Research , @UCL_CORU, passionate about health care, women in STEMs, defending liberal democracy (!). Member of @independentsage, posts personal.
@dmcilroy.bsky.social
Virology lecturer at Nantes University. Interested in polyomaviruses, particularly capsid interactions with antibodies and host receptors.
@markpopinchalk.bsky.social
Astrophysics postdoc at AMNH | writer for @astrobites.bsky.social | planetarium presenter | Likes ultimate frisbee, volleyball, and all kinds of games. He/Him
@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.