Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Caltech IPAC @caltechipac.bsky.social IPAC at Caltech partners with NASA, NSF, JPL, and the worldwide research community to advance the exploration of our Universe. www.ipac.caltech.edu
Gabe Weible @gabeweible.bsky.social Astronomy & Astrophysics Ph.D. Student at the University of Arizona | High-Contrast Imaging of Exoplanets and Brown Dwarfs 🪐
Logan Pearce @loganpearce.com Astronomer, ELT Fellow at U-M. Currently the Grand Canyon Astronomer in Residence!
Website: www.loganpearcescience.com
Mark Giovinazzi, PhD @markgiovinazzi.bsky.social Astronomy Postdoctoral Fellow at Amherst College. Previously, University of Pennsylvania (PhD/NSF). Exoplanets, low-mass stars, and binary systems. (he/him/his)
briley lewis @briles34.bsky.social astrophysicist • NSF fellow/PhD candidate UCLA (formerly
Columbia undergrad) • crafty human • dog mom • freelance science writer in SciAm SPACE PopSci & Astrobites • she/her
Rachel Bowens-Rubin @rbowru.bsky.social PhD | Exoplanet hunter and instrumentation builder | "Dray"
https://rbowru.medium.com/
Steven Silverberg @silverbergastro.bsky.social Research scientist, Eureka Scientific. Focusing on low-mass stars and the stuff around them, and citizen science. PI of Disk Detective. Opinions my own. He/him.
Sammy Hasler @sammyhasler.bsky.social interested in directly imaging exoplanets and studying solar system analogs • postdoc at STScI • thoughts and opinions my own
snhasler.github.io
A. Suárez Mascareño @asuarezmascareno.com Hunting low mass exoplanets.
Dr. Emily Gilbert @emdwarf.bsky.social Staff scientist at Caltech/IPAC, working on the NASA Exoplanet Archive, and studying small stars and planets. But you’ll mostly find baseball and snark here, with occasional scientific interruptions.
Seven Machina Rasmussen @toomanyspectra.bsky.social humanoid astrobiologist 🌌 SFF author (largely oxygen by mass) 📚 transhumanist 🤖 star trek autism character 🖖 she/they 🏳️🌈 instructor @ Columbia ✒️ CLOUDY WITH A CHANCE OF STARSHIPS now availabile wherever books are sold 👀
sevenrasmussen.com
Dr Courtney Crawford @courtneycrawford.bsky.social Astrophysics Postdoc at USyd - she/they
Ferah M. @ferahm.bsky.social she/hers; all things galaxy formation, dark matter & pug related.
Christine Pulliam @christinepulliam.bsky.social Astronomer. Aviator. Always looking up. Cat mom. Science communicator/media relations at STScI. Views are my own.
Ori Fox @orifox.bsky.social Astronomer | @STScI Scientist | HST | JWST | And now Deputy Project Scientist for Roman Space Telescope
Dr Thea Kozakis @theakozakis.bsky.social I love habitable planets, especially the one I live on! she/her
Bob Cullen @robertgcullen1.bsky.social An information professional who also happens to be a historian, writer, and reader. I wish all of you who have likewise landed here a wealth of peace and goodness!
Dr. Suchitra Narayanan @suchitra.bsky.social Center for Astrochemical Studies Postdoc @MPE-garching 𑁍 formerly: NSF Fellow @UHIfA/@CenterForAstro ❀ @astrobites author ✿ chemical & biomolecular eng/astrophysics @UCBerkeley ✾ @AAS_SC ❁ my views
UlrichE @ulriche.bsky.social UlrichE studied Physics and received a PhD at the Max Planck Institute for Intelligent Systems. Since 2003, he has worked in the automotive industry, managing projects on advanced technologies from electric and hydrogen propulsion to automated driving.
Greg Gilbert @gjgilbert.bsky.social Astronomer @Caltech
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
Raymond Mumme @rpmumme.bsky.social Grad Student in Comp Sci @ UIUC @uofigrainger.bsky.social | Former Sr. Research Asst. in Radiation Physics @ Univ. of Texas MD Anderson Cancer Center @mdanderson.bsky.social, developed AI for RPA https://rpa.mdanderson.org | 🏳️🌈 he/him | Views are my own
Nicole Davisson @nic-davisson.bsky.social Meezer mom 🐈⬛(siamese cats),PhD student at the U of U, small business owner w/ my kiddo refabulizing furniture with delovely art🎨, democratic socialist, feminist, late bloomer🪷🏳️🌈yacht rock lover⛵️🌊teatime keeper🫖 www.lavienouveaudecorshoppe.com
@tanialeal.bsky.social @tanialeal.bsky.social Assistant Professor of Spanish Linguistics @ the U of Arizona. Mom. 🇲🇽🇺🇸. More lover than liker.
Luca Matrà @lucaroundtheworld.bsky.social Astronomy. Exocomets. Great Outdoors. 📡☄️🏕️ Associate Professor @ Trinity College Dublin. Views my own.
Evert Nasedkin @evertnasedkin.bsky.social 
J W @polymath-wannabe.bsky.social Engineer, technologist, scientist, communicator
Cybersecurity, weather, and infectious disease junkie
Builder of things. Interested in too many topics for my own good.
* Skeets not representative of my employer *
Theodore Courtois @astrotheo.space Space is for everyone.
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.
Blake Wilson @blkwiln.bsky.social Physics PhD. Molecular biology meets condensed matter physics. How do things work? Let's find out.
James Curbo @curbo.org 👨💻 Cyber researcher at JHU Applied Physics Lab
📐 Doctor of Engineering, JHU Whiting School of Engineering (space cyber)
🔭 Amateur astronomer
🕹️ Video game connoisseur
📚 Math/science/history nerd, married to a geologist
✈️ USAF vet
https://curbo.space/
Nolan Koblischke @astronolan.bsky.social Astro + AI
U of Toronto PhD Student (in astro)
nolank.ca
JWST Observer @jwstobserver.bsky.social JWST Observer is managed by STScI and provides astronomers with the most up-to-date information, news, and events related to observing with JWST.
Westport Observatory @westportastro.bsky.social Since 1975 the Westport Astronomical Society has been bringing the wonders of the night sky who have visited the Westport Observatory in CT. We open to the public on clear Wednesdays from 8-10 pm. http://www.was-ct.org #Observatory #WestportCT 
Dr. Steve Goldman @stevegoldman.bsky.social Astrophysicist & Software Engineer for the Hubble, James Webb, and Nancy Grace Roman Space Telescopes @ The Space Telescope Science Institute.
Views are my own.
Steve Crawford @astrocrawford.bsky.social Astronomer wandering through time and space.
Likely to post about #Earth and #Space science especially #astronomy, Open Source Software, Open Science, and space. And hiking with our dog. Opinions are my own.
He/him.
Joe Renaud @spacetides.bsky.social NASA Ast. Research Scientist | U. Maryland | Studying tides on moons and #Exoplanets 🪐| Favorites: #SG1, 🍕,🍷,🍺,🏃♂️,🌶️ | He/him | Married to Jessica Teaford | Opinions my own
Ryan Trainor @crosstrainor.bsky.social astrophysicist / dad / asso. professor at F&M College / visiting scientist “at” JHU / he / him.
interested in galaxies, AGN, data science, and justice.
janiceleeastro @janiceleeastro.bsky.social ✨ looking to our future with NASA's Habitable Worlds Observatory (SuperHubble!) & AI
✨ studying star formation and star clusters in nearby galaxies with PHANGS, Hubble, JWST
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own
Laura Watkins @laurawatkins.bsky.social Head of the Science Policy Division at STScI. Research focuses on kinematics and dynamics of globular clusters and dwarf galaxies. Views my own.
Josh Peek @jegpeek.bsky.social 
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/
Martha Boyer @marthaboyer.bsky.social I'm an Astronomer, primarily studying dust-producing stars with JWST and HST. Opinions are my own. Pround Minnesotan. Abolish Ice. She/Her
John F Wu @jwuphysics.bsky.social Tenure-track astronomer working on galaxies, machine learning, and AI for scientific discovery. Opinions my own. He/him.
Website: https://jwuphysics.github.io/
Elisabeth Matthews @elisabethastro.bsky.social Exoplanets, disks, and everything in between 🪐💫
https://ecmatthews.github.io/
she/her
Daniel | ScienceSocks et al. @sciencesocks.bsky.social Orbit in style with science socks, space jewelry, and beyond. Stellar gifts for scientists, engineers, and astronomy lovers.
ScienceSocks.co
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
LEGO JWST @legojwst.bsky.social A model of JWST submitted to LEGO Ideas.
Liton Majumdar @liton-majumdar.bsky.social Astrophysicist studying exoplanet atmospheres, planet formation, and astrochemistry. Faculty & PI, Exoplanets & Planetary Formation Group @NISER India. Former NASA Postdoc @JPL/Caltech. Passionate about books, classical music, travel, and nature.
Isaac Alexander @jetcitystar.bsky.social Editor In Chief JetCityStar. ✈ Aviation , ➤ Defense & 🚀 Space News. Former Hype Aerospace, Global Aerospace Chat & Global Military Aviation Chat Host.
Gig Harbor, WA
Katie Lester @klester.bsky.social ✨Astronomer who likes binary stars! (she/her)
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Jiayin Dong @jdong.bsky.social Assistant Professor @UofIllinois｜Previous Flatiron Research Fellow @flatironinstitute.org｜Astro PhD @PennState
AAS Nova @aasnova.org Highlighting recent astronomy research from the American Astronomical Society's journals. Editors: Kerry Hensley & Susanna Kohler. Discover what's new in the universe at aasnova.org. Header image: https://bit.ly/4vPAvD
August (Gus) Muench @augustfly.bsky.social data editor in New Haven; tree/bird/sky watcher; former Bostonian/Floridian/IR Astronomer
Eliot Halley Vrijmoet @eliothalley.bsky.social dynamics of all the little guys: M dwarfs + BDs + planets
Smith College + FCAD postdoc fellow + RECONS
🏳️⚧️ he/him since 2012 🏳️🌈 http://www.science.smith.edu/~evrijmoet
Dr. Caprice Phillips @capricephillips.bsky.social NHFP Sagan Fellow@UCSC 🍌🐌|RCSA Fellow| Chancellors Postdoctoral Fellow| brown dwarfs & exoplanets| Black In Astro VP|plan(e)t mom 🪴/🪐|she/her/hers
Website: https://capricephillips.space
Ramisa Rahman | রামিসা ☁️✨ @ramistarblob.bsky.social Yale Astronomy PhD student || Postbacc CfA Summer '24 || Physics B.S. & English minor from William & Mary '24 || Lover of stars, disks, and pickles || ✧ 🇧🇩 🌌
https://linktr.ee/ramistarblob- R Dr. Raquel A. Martinez @rmartinez.bsky.social
Astronomy on Tap DC @astroontapdc.bsky.social Drink in the Universe with scientists eager to share their love of space with you with fun, engaging talks in a bar!
Dawn Gelino @dawngelino.bsky.social Manager for NASA’s Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute
Ethan Vishniac 🇺🇦🇨🇦🇺🇸 @ethan-vishniac.bsky.social Cantankerous astrophysicist and editor. Grandfather and dog owner. I could probably drink less coffee. I think about magnetized turbulence and what it means for the universe.
Orcid 0000-0002-2307-3857
@alexanderkerr.bsky.social @alexanderkerr.bsky.social 
🪐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|
Travis Wohlrab @traviswohlrab.bsky.social SciComm / Protocol / IT at NASA Goddard
| Maryland, USA 🌎
| RPCV Lesotho 🇱🇸 (2013-2015)
| Hobbyist 📷 | Canon EOS RP
| http://traviswohlrab.com ℹ️
—Views expressed here are my own
June Parsons @mucephie.bsky.social I study the atmospheres of terrestrial exoplanets, looking for bio signatures, and asking if brown dwarfs systems can be habitable. PhD @ York University
29 🇨🇦💀🪐
Jwst Feed @jwstfeed.bsky.social James Webb - Everything That's Hot 🔥
jwstfeed.com
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
Andrea Luck @andrealuck.bsky.social 🛰️🪐 Space voyager processing space images 📡💻
🎞️ HD Photostream: https://www.flickr.com/photos/andrealuck/
🎋Other places: https://linktr.ee/andrealuck
🌍Glasgow, Scotland 🌱 (He/Him)
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 🏳️🌈
Dr. Charity Woodrum @charitywoodrum.bsky.social ✨ NASA Astrophysicist
✈️ Private Pilot
📍 Washington, DC
https://www.charitywoodrum.com
🌵 PhD in astrophysics from the University of Arizona
🦆 BS in physics from the University of Oregon
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
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.
Emily Lakdawalla 🏳️⚧️ Uranus Expert @elakdawalla.bsky.social Planetary scientist, freelance science writer and space artist, queer, ADHD, mom. Turns out it’s hard to be all those things at once. Shop at elakdawalla.Etsy.com
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
✉️ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
Michelle Collins @runningastronomer.bsky.social ✨Astronomer searching for and studying the faintest galaxies in the Universe ✨co-host of the @starxiv.bsky.social podcast ✨ Enthusiastic-but-mediocre runner 🏃🏻♀️ vegan 🌱 She/her
Dr. Timothy Pickering @tepickering.bsky.social astronomer, telescope wrangler, grizzled pythonista, bluesky boomer
Prof Anna Watts @profannawatts.bsky.social Professor of Astrophysics @ Univ. of Amsterdam. Neutron stars, pulsars, dense matter, X-ray astronomy. Mom, Migrant. "Particles in stars blah blah". Does science with NICER on the International Space Station and schemes for EVEN BIGGER SPACE TELESCOPES.
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.
NSF–DOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para español siga a Instagram: http://instagram.com/rubin_observatory
Max-Planck-Institut für Astronomie @mpi-astro.bsky.social Astronomical research institute in Heidelberg, Germany / Astronomisches Forschungsinstitut in Heidelberg
Impressum: https://www.mpia.de/impressum
Haus der Astronomie @hausderastronomie.bsky.social Zentrum für astronomische Bildungs- und Öffentlichkeitsarbeit in Heidelberg | Center for Astronomy Education and Outreach in Heidelberg, Germany. Posts in erster Linie auf Deutsch but also in English
https://www.haus-der-astronomie.de/de/impressum
Dr. Lili Alderson @lili-alderson.bsky.social exploring exoplanets one atmosphere at a time 🪐 | She / her 🏳️🌈
Saavik ‘Careful of the Ankle’ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
David Wilson @astrodave2.bsky.social Astronomer at CU Boulder. I look at small stars with space telescopes. In my spare time I run medium distances, build and paint various tiny plastic people and visit old ships. He/Him
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Dr. Pete Smith, Space Wizard @exoplanetpete.bsky.social Astronomer and Astrophysicist | ASU ➡️ MPIA | Exoplanet Atmospheres and Science Education | Writer | Baker | Hiker | they/he | petercbsmith.github.io
Yoni Brande @yonibrande.bsky.social phd astrologer, world class barista, and professional chef
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.
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
Anna Hughes 🍁 @annaghughes.bsky.social 🌊 marine conservation 🪸
🇨🇦 BC mountains and ocean dweller 🥾🏄♀️🏂
ja yritän joskus puhua suomea.
Gijs D Mulders @gijsmulders.com Exoplanet Astronomy
Assistant Professor
Santiago de Chile
http://gijs.cl
\m/
Dr. Gerard van Belle @fringedoctor.bsky.social Active astronomer, intrepid interferometrist, doting dad, happy hubby, heuristic homebrewer, lapsed pilot, Director of Las Cumbres Obs in Santa Barbara. Asteroid 25155 van Belle.
Amy Rae Hill @amyraehill.bsky.social Ceramic painter bringing dramatic galactic moments to your dinner table. PNW. (she/her)
linktr.ee/amyraehill
Restock: TBD
Johanna Vos @johannavos.bsky.social Astrophysicist studying Exometeorology | Associate Professor & Royal Society University Research Fellow at Trinity College Dublin | Visiting Scientist at American Museum of Natural History | she/her | https://johannavos.github.io/
Adi Foord, PhD @adifoord.bsky.social /uh ˈdee/
Assistant Prof. of Physics @ UMBC | searching for supermassive black holes |
www.adifoord.com