Clara Nellist @particleclara.bsky.social Particle Physicist working on the ATLAS Experiment at CERN and Science Communicator
Makes videos about physics on YouTube, Insta and TikTok. Views my own. 🏳️🌈
Laura Poppick @laurapoppick.bsky.social Maine-based science and environmental journalist with stories in the NYT, Scientific American, Smithsonian, and elsewhere. Author of STRATA: Stories from Deep Time (W.W. Norton, July 2025).
www.laurapoppick.com
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Paul Halpern @phalpern.bsky.social Physicist and Science Writer. Author of nineteen books, most recently THE GREAT ATOM DEBATE: ERNST MACH, LUDWIG BOLTZMANN, AND THE BATTLE FOR THE ESSENCE OF REALITY https://greatatomdebate.com/
Sergio Perez F @sergiopf.bsky.social THE NUCLEAR QUANTUM GRAVITY ☢️
https://www.researchgate.net/publication/371896737
Interest Score over 99%, 2023 in Researchgate
American Modeling Teachers Association (AMTA) @modelinginstruction.org Advancing effective STEM education through research based Modeling Instruction, empowering teachers to engage students in authentic scientific practices and providing PD, curriculum resources, and community support.
Kimberley Martell @physicsfunteacher.bsky.social IB Physics teacher at Edmonds-Woodway High School. National Boards Certified. Inquiry based hands-on learning.
PICUP @gopicup.bsky.social Partnership for the Integration of Computation in Undergraduate Physics
An active, inclusive, and supportive community of physics educators dedicated to integrating computation into their instruction.
www.compadre.org/picup/
We follow physics teachers!
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Bruce Springsteen @brucespringsteen.net brucespringsteen.net
Megan Alvord @mrsalvord.bsky.social NC high school physics teacher. Computational Physics. QuarkNet Coding Fellow. #modphys #iteachphysics she/her
Dr Space Junk (Alice Gorman) @drspacejunk.bsky.social Space archaeologist | Global Expert Group for Sustainable Lunar Activity | Asteroid 551014 Gorman | Dr Space Junk vs the Universe. https://mitpress.mit.edu/9780262539654/dr-space-junk-vs-the-universe/ | Blog https://zoharesque.blogspot.com/
SOS-AAPT @sos-aapt.bsky.social Southern Ohio Section of the American Association of Physics Teachers. FInd out more information about us https://sosaapt.weebly.com/
We look to help physics and physical science teachers connect and expand the knowledge of teaching physics.
Carlowen Smith @carlowenphd.bsky.social (Carlowen = Carl + Owen, he/him) Physics Instructor at Johnston Community College. I've studied turbulence in the ocean, atmosphere, and planets!
@mcdphysteach.bsky.social @mcdphysteach.bsky.social Teacher of physics, astronomy, and engineering
#iteachphysics
The Open Journal of Astrophysics @ojastro.bsky.social A peer-reviewed Diamond Open-Access Astrophysics journal using an arXiv overlay. This community-run service is provided entirely free for authors and readers.
https://astro.theoj.org/
astrosocaus.bsky.social @astrosocaus.bsky.social The Astronomical Society of Australia is an organisation whose members contribute to the advancement of Australian astronomy and related sciences.
IAU Office of Astronomy for Education @astro4edu.bsky.social The Office of Astronomy for Education (OAE) of the International Astronomical Union, hosted at @hausderastronomie.bsky.social
https://haus-der-astronomie.de/de/impressum
Dr. Skylar Grayson @skylargrayson.bsky.social Astrophysics PhD ✨ studies black holes and galaxy evolution 🌌Science Communicator (find me other places at “Space According to Skylar”)
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Matthew R Francis @bowlerhatscience.org Science writer, journalist, physicist, hat man, cat man, queer. I do not use AI for anything, and block AI proponents on sight.
Pfp by @makinaro.com
Signal: BowlerHatScience.51
Mike Sowden @mikeachim.bsky.social Writer (on science, travel & curiosity), Yorkshireman, tedious enthusiast, professional overthinker, Megathreader. Now: Scotland.
Writes Everything Is Amazing: https://everythingisamazing.substack.com/
Karrie @karriefrey.bsky.social Wife, mom, old(ish) science teacher, 💕reading and learning. Family and friends 🥇. oboe player 🎶 Dog lover 🐶. 🚫DM
“In America, the law is king”
~ Thomas Paine
Christos Doudoulakis, PhD @csath.bsky.social PhD in High Energy Physics - Freelance Writer (Physics, Maths, Pop. Sci.) - Stormchaser - Founding Member of the Greek team of TLE chasers - Photographer - Teacher / https://doudoulakis.blogspot.com/
Dr Laura Driessen @astrolaura.com Radio astronomer and science communicator at the University of Sydney. Die hard Melbourne demons fan. Opinions are my own. www.astrolaura.com
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/
PhET Interactive Simulations @phetsims.bsky.social Increasing #STEM literacy worldwide with free interactive simulations! #edusky #OER #edtech #math #science #physics #chemistry Interact, Discover, and Learn!
Support PhET - https://giveto.colorado.edu/phet-interactive-simulations/?a=10492436
Page @pagejpdx.bsky.social coddiwompler, amateur photographer, seeker of nature, art, fun & peace, book & movie lover, table top boardgamer, happily married || please no DMs
Mostly iPhone photos, all taken by me, except for reposts or otherwise noted.
Enrique Arribas-Garde @garde24.bsky.social Theoretical physicist researching radiofrequency electromagnetic fields and exposure (RF-EMF). Fascinated by magnets since childhood. Físico teórico investigando la exposición a campos electromagnéticos de radiofrecuencia. Amante de los imanes desde niño.
SkyGuyInVA @skyguyinva.bsky.social NASA JPL Solar System Ambassador
Unistellar Ambassador
Space Reporter for WTOP News Washington D.C.
Cruise ship lecturer
Springer Astronomy Author
Astrophotographer
OPINIONS ARE MY OWN
@redsky007.bsky.social @redsky007.bsky.social 
Corey S. Powell @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/
Randall Munroe @xkcd.com 
Freya Holmér @freya.bsky.social 🎮 tech artist/shader sorceress/math dork
🌐 acegikmo.com
🎥 youtube.com/@acegikmo
🏗️ Shader Forge / Shapes / https://half-edge.xyz
📡 ex-founder of Neat Corp
🪡 neoluddite
my kids:
🥪 @toast.acegikmo.com
🥗 @salad.acegikmo.com
🐈⬛ @thor.acegikmo.com
Josh Peek @jegpeek.bsky.social 
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
ESO @eso.org The European Southern Observatory designs, builds & operates world-class observatories on the ground for the benefit of society. More info on eso.org
Benne W. Holwerda @benneholwerda.bsky.social Dad, Professor of Astronomy at the University of Louisville. He/Him/hey you. Opinions are my own. As are the typos.
Astronomy, datascience, ethics & occasional US/EU politics. 
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
Katy Dornbos @katydornbos.bsky.social HS Chem/STEM/Physics teacher. Sci. Dept chair. PAEMST 2021 finalist - Nebraska. Lover of Truth wherever it may be found.
NerdPropellant @nerdpropellant.bsky.social Physics prof, edtech connoisseur, seller of nerdy gaming swag
Joe Milliano @joemilliano.bsky.social Physics teacher #iteachphysics #modphys
Dr Dan Jones @hookean.bsky.social Physics teacher
PhD in positrons long ago!
#ITeachPhysics
https://www.youtube.com/channel/UC4y8XUOkvJX7k0ixJM3HIEg
https://www.drjonesphysics.com/
Alex Spahn 🌋🌪️☄️ @spahn711.bsky.social Storm chaser. Volcano hunter. University Physics, Astronomy, & Earth Science Instructor. MS Physics/BS Astrophysics. Rockhounder & Mineral Collector. Raccoon whisperer. Allow me to share our planet's beauty with you. linktr.ee/spahn711
Christopher Berry @cplberry.bsky.social Gravitational-wave astrophysicist. University of Glasgow Senior Lecturer. Science, education, LEGO & cake. May contain traces of nuts
🐘 https://mastodon.online/@cplberry
📚 https://cplberry.com
Erin Macdonald @drerinmac.bsky.social Writer | Science Advisor (Star Trek franchise) | Producer | PhD, Astrophysics | she/her | 🚫AI
just an ancient tattooed 🏴 N7 Starfleet rebel pagan soul trapped in modern times
https://linktr.ee/drerinmac
Leo C. Stein @duetosymmetry.com Physics Prof @ U of MS. Sloan Fellow. Black holes, gravitational waves, general relativity & beyond. Formerly Caltech MIT Cornell. Need thin pizza + fruity coffee. He/him
🌐 https://duetosymmetry.com/
@duetosymmetry everywhere
Carl Rodriguez @carlrodriguez.bsky.social Professor of astrophysics at UNC, studying colliding black holes, swarming stars, and other things that go bump in the night. Big fan of transit, biking, climbing, Durham NC, he/him
dynamics.unc.edu
Prof. Joey "Barely a Footnote" Neilsen @joeyneilsen.bsky.social Black hole astrophysicist at Villanova. Formerly: MIT, Boston University, Harvard, Kenyon College | X-rays | husband | dad of 2 | cooking. He/him. Skeets are my own.
Laurence Datrier @asleepywanderer.bsky.social Astronomer, occasional artist, sometimes takes pictures
(she/her)
Slavko Bogdanov @slavkobogdanov.bsky.social Astrophysicist ordinaire. Columbia University.
slavko.org
Rhiannon Silva @rhiannonsilva.bsky.social Astrophysicist. Currently working on my second PhD on gravitational waves from black holes, at the Gravity Exploration Institute, Cardiff University.
They/any 🏳️🌈
Bryan Gaensler @scibry.bsky.social Dean of Science at the University of California, Santa Cruz (UCSC). Astronomer, sci-fi connoisseur, rugby league devotee, puzzled parent 🇦🇺🇨🇦. Opinions ∉ UCSC.
Santa Cruz CA, USA. He/him. bryangaensler.net
Adi Foord, PhD @adifoord.bsky.social /uh ˈdee/
Assistant Prof. of Physics @ UMBC | searching for supermassive black holes |
www.adifoord.com
Dr Shanika Galaudage @astronerdika.bsky.social Diary of a space detective (astrophysicist)🕵️
Postdoc at CIERA + Adler Planetarium
Just going with that Universe flow ✨
🇦🇺 -> 🇫🇷 -> 🇺🇸
linktr.ee/astronerdika | 🇦🇺🇱🇰 (she/her)
Will M. Farr @farrwill.bsky.social Astrophysicist. Associate Professor at Stony Brook University, Gravitational Wave Astronomy Group Leader at Flatiron Institute's Center for Computational Astrophysics.
Eugene Lim @tukohbin.bsky.social Professor of Theoretical Physics at King’s College London doing cosmology, gravity, astrophysics and string theory. GRTL Collaboration and UK Numerical Relativity. Views my own. Penang-lang. YNWA
David Tsang @drda5id.bsky.social Theoretical Astrophysicist at the University of Bath, UK. Spends time thinking about Mathematical Physics, Neutron Stars, Black Holes, Planets and Disks, Board Games, Crafting, Leather Working, Cooking, and other stochastically determined hobbies. 
Dr. Doctor @actualdrdoctor.bsky.social Climate Scientist 🌎 | Astrophysicist 🔭 | Memes 🫡 | Coffee ☕️ | Travel ✈️ | PDX -> Chi
Vanessa Graber @drvgraber.bsky.social UKRI future leaders fellow. associate professor in physics at Royal Holloway. loving astrophysics. especially neutron stars. machine learning. scientific software. EDI. she/her. views are my own 🇩🇪➡️🇬🇧➡️🇨🇦➡️🇪🇸➡️🇬🇧
Stephen Taylor @stevertaylor.bsky.social Gravitational-wave Astrophysicist | Associate Professor @ Vanderbilt University | Chair, NANOGrav Collaboration | ESA-NASA LISA Science Team Member
Dr. Sharan Banagiri (he/him) @geodesicvoyager.bsky.social Astrophysicist @monashastro.bsky.social | Previously @ Northwestern & UMN | తెలుగు | Gravitational waves | @LIGO | LISA
Decarbonization now ✊🏽
All opinions my own and do not represent past or present employers.
orcid : https://orcid.org/0000-0001-7852-7484
Dan Wilkins @danwilkins.bsky.social Astrophysicist, black hole scientist and science communicator. Research Assistant Professor of Astronomy at The Ohio State University. Amateur photographer, rower and avid traveller. He/him 🏳️🌈
Teagan Clarke @astroteagan.bsky.social Postdoc | gravitational-wave astronomer | Princeton University | 💫 🏳️🌈 🇦🇺
Soheb Mandhai, PhD @theastrophoenix.bsky.social Astrophysicist/ Sci-Artist/Start-Up. I love 3D modelling and printing (among other hobbies + puns). Research: GW/EM + Spider Pulsars + Galaxy Dynamics. Happy to talk art, physics, or games!
Views are my own.
Links: https://linktr.ee/theastrophoenix
Paul Lasky @plasky.bsky.social Professional astrophysicist, amateur human, parental enthusiast.
Gravitational waves, black holes, neutron stars, GRBs, cosmology; Monash Astrophysics, OzGrav, AAL. 
Sylvia Biscoveanu @sbisco.bsky.social NASA Einstein Fellow at Northwestern studying gravitational waves with LIGO | previously PhD at MIT | violinist and cat lover
Tiffany Nichols, JD, PhD @tiffanynichols.bsky.social LSST-DA Catalyst Faculty Fellow
History of Astrophysics, Physics, and Science + Environmental History.
Jordy Davelaar @jordydavelaar.bsky.social Astrophysics -- Researcher at the Flatiron Institute and Columbia University. Enthusiastic about black holes, running and fresh pasta. Part of EHT and LISA.
Peter Edmonds @peterdedmonds.bsky.social Australian-American husband, father, professional nerd, astronomy communicator, dog spoiler, cricket fan. Opinions mine. He/him. 
Andrew Chael @thisgreyspirit.bsky.social Somewhat functional assortment of 7 billion billion billion atoms. Astrophysicist taking pictures of black holes. he/him.🔭📡⚫🏳️🌈
Emanuele Berti @emaberti.bsky.social Professor at Johns Hopkins University. Black holes, gravitational waves, tests of general relativity. Dad.
Niels Warburton @nielsw.bsky.social Assistant Professor at University College Dublin. Researcher in gravitational wave science. Spokesperson for the LISA Consortium.
This is my personal feed so posts are a combination about gravitational waves and cycling infrastructure in Dublin.
Jocelyn Read @jocelynread.bsky.social Neutron stars, gravitational waves, and nuclear astrophysics. Professor at CSUF, working with LIGO and Cosmic Explorer. Took my name as an instruction.
Michael J. Williams @michaeljwilliams.bsky.social Gravitational-wave astrophysicist
https://michaeljwilliams.me- B Barry McKernan @bmckastro.bsky.social Astronomer, Dad, Husband, Gamer, Occasional runner, hiker, traveller, History, Crosswords, Irish in America
Stephen Green @stephenrgreen.bsky.social ML / SBI | Black Holes and Gravitational Waves
UKRI Future Leaders Fellow @ U of Nottingham
https://www.stephenrgreen.com/
Sumeet Kulkarni @sumeetkul.bsky.social Science Writer, Astrophotographer
Mikhail Korobko @mkorobko.bsky.social Quantum physicist: quantum optics, gravitational-wave detectors and foundations of quantum mechanics | staff scientist @ Uni Hamburg | member of LIGO
Carl Haster @haster.bsky.social Assistant Professor at UNLV+NevadaCfA looking for gravitational waves and the best music. Previously at LIGO, MITKavli, CITA_ICAT and UoBIGWaves.
Alexander Harvey Nitz @handle.invalid Associate Professor of Physics at Syracuse Univ. | Gravitational-wave Astronomer | BlackHoles | NeutronStars | PyCBC developer.
Om Sharan Salafia @omsalafia.bsky.social Researcher at INAF - OAB, Milan, Italy. Working on GRBs & EM counterparts to GW sources. Former musician. Inherently curious.
Jeffrey Hazboun @jeffreyhazboun.bsky.social professor of physics at Oregon State, gravitational wave astrophysicist, father, husband, whitewater enthusiast, banjo player... not in that order
Aditya Vijaykumar @adivijaykumar.bsky.social CITA Postdoctoral Fellow: LIGO and gravitational waves. (Ex-?)theatre artist. @alsogoesbyV on Twitter.
Website: adivijaykumar.github.io
Shami Chatterjee @astrochatterjee.bsky.social Astronomer, book lover, photo enthusiast, dad. I'm probably on a telecon right now.
Rhiannon Udall @rhiannon-udall.bsky.social PhD student in the LIGO lab at Caltech, studying catalogs of gravitational wave events and how glitches affect them, (she/her) 🏳️⚧️
Rob Coyne @robcoyne.com Gravitational wave astrophysicist at the University of Rhode Island and member of the LIGO Scientific Collaboration. Also an amateur artist sometimes?- C Chase @chasekimball.bsky.social
Professor Carole Mundell @cmundell.esa.int Director of Science, @esa.int; Head of the European Space Astronomy Centre, Madrid. Astrophysicist, science diplomat, ex-Science Council President; ex-Chief Scientist Adviser & International Science Envoy, UK FCDO. She/her. My views.
James Alexander Clark @spacepig.bsky.social Motorcycling, mountain biking gravitational wave computational scientist, guinea pig fancier, rabbit-herd and robo-shepherd. LIGO Caltech (ATL FOB).
Daniel Williams @daniel-williams.co.uk I'm an astronomer at @uofgravity.bsky.social working to understand ripples in the Universe (gravitational waves) made when dead stars (black holes and neutron stars) crash into each other.
(he/him | e/esan)
Tha mi nam neach-ionnsachaidh.
🏴🏳️🌈🏉⛰️🚴♂️🏃♂️🚣♂️
Ira Thorpe @ithorpe.bsky.social Gravitational wave astrophysicist working on Laser Interferometer Space Antenna (LISA). Dad, husband, outdoor lover, and expat New Mexican living in greater Washington, DC.
Employed by NASA, but opinions are my own.
Bernard Schutz @bschutz.bsky.social Astrophysicist, author, grandfather. Have lived in USA, Wales, Germany, Italy. FRS, NAS. Views my own.
Greg Mendell 📖🖊️✨🔭🖖🙂 @mendellgreg.bsky.social Reading & writing; science & scifi; gravitational waves & astrophysics; star trek; spouse & dad; 📖🖊️✨🔭🖖🙂🚫AI
https://amazon.com/author/gregoryallenmendell