University of Hertfordshire @herts.ac.uk We are a modern, enterprising and dynamic university, making an impact regionally, nationally and globally.
๐ธ Use #uniofherts for a chance to be featured!
http://linktr.ee/uniofherts
Sara Burningham @saraburningham.bsky.social Senior producer, Amicus podcast with @dahlialithwick.bsky.social @slate.bsky.social.
Founding editor, @makinggayhistory.bsky.social
Toronto and NY via London and the Ozarks
Previously: 1010WINS, KUAF, LBC
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Cian O'Toole @astrotoole.bsky.social PhD researcher in Brown Dwarf Variability in Trinity College Dublin.
https://cianotoole11.github.io/cianotoole.github.io/#
Xueqing Chen @xqchen.bsky.social astro phd student ๐ ๐ช | aspiring science communicator and artist
https://alphalyncis.github.io/exorender/
https://space.bilibili.com/31478424?spm_id_from=333.337.0.0
ZJ Zhang @zjzhang.bsky.social Assistant professor at the University of Rochester. Atmosphere and formation of exoplanets and brown dwarfs. Love singing and COCONUTS
Mike Kuhn @mikeakuhn.bsky.social Astronomer interested in star formation and statistics. Senior Lecturer at the University of Hertfordshire. Formerly Caltech, Universidad de Valparaรญso, and Penn State. https://star.herts.ac.uk/~kuhn/
UHInnovation @uhinnovation.bsky.social Weโre the Innovation team at the University of Hertfordshire - collaborating with businesses across the county, and beyond, to solve challenges, spark ideas, and drive economic impact.
Joel Morris @gralefrit.bsky.social Writer & highwayman.
Ladybird, Cunk, Wipe, Be Funny Or Die, Framley, Candidate band, Comfort Blanket, Broken Veil etc
https://ko-fi.com/gralefrit
AGENTS, website, links, bio etc: www.gralefrit.co.uk
ClimateBook @climatebook.bsky.social This is the BlueSky feed of Raymond T. Pierrehumbert, Professor of Planetary Physics at the University of Oxford. Tune in for news about Principles of Planetary Climate, and diverse science and political commentary. (Also folk music news)
ExoClimesVII @exoclimes.bsky.social Official account for #ExoclimesVII on July 7-11th 2025 in Montrรฉal, Canada! The ExoSLAM summer school aimed at early career researchers will take place July 3-5
Channon Visscher @cvisscher.bsky.social Professor of Chemistry & Planetary Sciences at Dordt University (IA) and Research Scientist with the Space Science Institute (CO)
Github: https://cvisscher.github.io/
Miles Blumsom @milesblumsom.bsky.social Presenter, Content Producer and Journalist at the BBC. Sometimes Stand-up comedian. Very amateur footballer. England/New Zealand mix. Long suffering Spurs fan. Views absolutely entirely mine.
Martin Bourne ๐ณ๏ธโ๐ @astromartin.bsky.social Astrophysicist (at least in theory) and beagle dad! (he/him)
UKRI Hawking Fellow & Senior Lecturer at University of Hertfordshire.
Views are my own.
instagram.com/quee1896
Alice Roberts @profaliceroberts.bsky.social Prof of Public Engagement in Science, Uni of Birmingham; anatomist, author, broadcaster; vice President of Humanists UK. All views my own.
Anna Hughes ๐ @annaghughes.bsky.social ๐ marine conservation ๐ชธ
๐จ๐ฆ BC mountains and ocean dweller ๐ฅพ๐โโ๏ธ๐
ja yritรคn joskus puhua suomea.
Jason Spyromilio ฮฮฌฯฯฮฝ ฮฃฯฯ
ฯฮฟฮผฮฏฮปฮนฮฟฯ @apolitosb.bsky.social Astronomer, supernovae, spent time at Paranal in prehistoric times, currently ELT telescope scientist www.eso.org/~jspyromi
Personal account. Speaking solely for myself
MMT Observatory @mmtobservatory.bsky.social The MMT Observatory is a 6.5-meter telescope at the summit of Mt. Hopkins, Arizona. The MMT is operated by U. of Arizona and Smithsonian Observatory under a permit from the US Forest Service. Any questions about what we do, just ask! https://www.mmto.org/
OpenScience Observatories @osobservatories.bsky.social Autonomous robotic facilities PIRATE and COAST, owned and operated by The Open University. Located at Observatorio del Teide, Tenerife. Website https://telescope.org/ 
MIT Haystack Observatory @haystack.mit.edu 
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.
South Pole Telescope @sptelescope.bsky.social A 10-meter diameter sub-mm wavelength telescope observing the cosmic microwave background from the South Pole, Antarctica.
Euclid Consortium @ec-euclid.bsky.social Official Consortium of ESA's Euclid mission on the Universe's dark matter, energy & expansion, 15 European countries + USA + CAN + JAP, 2000+ scientists + engineers. Home: https://euclid-ec.org
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 
Mount Wilson Observatory @mtwilsonobs.bsky.social Where we discovered our place in the universe.
www.mtwilson.edu
US National Gemini Office @usngo.bsky.social The US NGO at NSF NOIRLab supports Gemini Observatory
users in the stages of the astronomical observing cycle, from proposal to data reduction. Visit our website at https://noirlab.edu/science/programs/csdc/usngo.
Vatican Observatory Foundation @vofoundation.bsky.social The Vatican Observatory Foundation, founded in 1987, supports the research, educational, and outreach efforts of the Vatican Observatory.
The Vatican Observatory stands at the forefront of scientific research.
Event Horizon Telescope @ehtelescope.bsky.social We are the Event Horizon Telescope: a global collaboration that captured the first-ever image of a black hole using a virtual Earth-sized telescope.
Instagram, Facebook, Twitter, Mastodon: ehtelescope
eventhorizontelescope.org
Sherwood Observatory @sherwoodobs.bsky.social Inspiring STEM learning, growing future skills, bringing prosperity through our Planetarium, Observatory and Science Centre
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
Grantecan @gtctelescope.bsky.social Gran Telescopio Canarias (GTC) the largest optical/infrared telescope in the world (Roque de Los Muchachos Observatory La Palma /Spain)
Steward Observatory, University of Arizona @stewardobservatory.bsky.social Official UA Astronomy and Steward Observatory account. Pioneers of JWST MIRI and NIRCam, Event Horizon Telescope, and GMT, and home to the Richard F. Carris Mirror Lab, Mt Lemmon Sky Center, and one of the worldโs top astronomy programs. astro.arizona.edu
John Stott @jpsastro.bsky.social Astrophysicist at Lancaster University. Mainly galaxy evolution, environment and feedback. Recent foray into machine learning and icebergs.
University of Hertfordshire Observatory @observatory.herts.ac.uk The University of Hertfordshire's Observatory at Bayfordbury in the UK. Find out how to visit or study with us here: https://linktr.ee/bayfordburyobservatory
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
โ๏ธ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
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 ๐จ๐ฆ๐๐ช
Pallab Ghosh @pallabg.bsky.social I am a science correspondent for BBC News. I post mostly about science, sometimes science journalism and very occasionally, Spurs. Please share any hot stories, ideas and opinions on all three and anything else currently inspiring you.
@slittlefair.bsky.social @slittlefair.bsky.social 
Robert Bantin ๐ธ๐ช๐ณ๏ธโโง๏ธ๐ณ๏ธโ๐ @cubusaddendum.bsky.social Audio architect of Snowdrop @Ubisoft, guitarist, electronic music, neurodivergent, author, norsified celt, swarm of bees. Opinions are mine. They/Them
Viviana Acquaviva @venividivivi.bsky.social Astrophysicist turned Climate Scientist | AI for Science | Professor of Physics at @cuny.bsky.social; happy camper at @leapstc.bsky.social | Author, ML for Physics and Astronomy: https://shorturl.at/VJ9k9 | Lover of puns, data, good people, and unfinished 
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 
@planetgreaves.bsky.social @planetgreaves.bsky.social Planet Venus scientist, creative, astronomer.
Samuel Beiler @astrosam.bsky.social Science Sam, a postdoc studying brown dwarf atmospheres at Trinity College Dublin.
https://astrosamuel.github.io/#
Jason Wang @thejason.wang Astronomer. I take images of extrasolar planets. Sometimes I make GIFs of them. Professor at Northwestern/CIERA. jasonwang.space
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
NSFโDOE Rubin Observatory @vrubinobs.bsky.social Get ready for a new era in astronomy and astrophysics with Rubin Observatory!
Para espaรฑol siga a Instagram: http://instagram.com/rubin_observatory
Earth and Planetary Sciences at ETH Zurich @eth-eaps.bsky.social The Department of Earth and Planetary Sciences at ETH Zurich is one of the top Earth Science faculties and offers study programmes in Earth, Climate, and Space Sciences. https://eaps.ethz.ch/
Dr. Victoria Meadows @exoterraincognita.bsky.social Astrobiologist, no...really! Never met a terrestrial planet I didn't like. Astronomy Professor, Astrobiology Program Director at the University of Washington.
Kevin Hardegree-Ullman @kevinkhu.bsky.social Research Scientist at Caltech/IPAC-NExScI studying all things related to exoplanets! Opinions are my own. https://kevinkhu.com
Prof. Brittany Miles @bemiles.bsky.social Assistant Professor at the University of Arizona. Astronomer. Aunty.
She/Her.
https://bemiles.github.io/
infraredastronomy.tumblr.com
AstroArxiv @astroarxiv.bsky.social 
Steve Elardo @steve-elardo.com Professor at UF Geology. Florida Planets Lab PI and Moon-guy. Planetary Scientist, Magma-Maker, Dad, Miami Dolphins and Star Wars Fan. Scotch, Tiki, Titanic, LEGO, and Red Panda enthusiast. My views.
#FinsUp!
#PlanetaryScience
planets.geology.ufl.edu
Dr. Raphael Marschall @spacemarschall.net Associate Professor of Experimental Physics at the @unibe.ch
Co-I of ESA's Comet Interceptor, collaborator on NASA's Lucy and ESA's Rosetta missions.
www.spaceMarschall.net
(he/him)๐จ๐ญ๐บ๐ธ๐ซ๐ท
#asteroids #comets #protoplanetarydisks #planetaryScience ๐งช๐ญ๐๐ฐ๏ธโ๏ธ
Steve Desch @deschscoveries.bsky.social Professor of astrophysics / planetary science / meteoritics at Arizona State University.
Dr James O'Donoghue ๐ช @interplanetary.bsky.social Planetary scientist, astronomer and science communicator ๐ช. Formerly at JAXA, NASA, Boston Uni, and the Uni of Leicester. Now Associate Professor at @UniofReading. Forbes 8 Billion Under 8 Billion. Website: odonoghuespace.github.io
John Forbes @redshiftless.bsky.social Astronomer in Aotearoa/New Zealand at the University of Canterbury.
Pusher of pixels, pens, arrays, and computer keys.
www.johncforbes.com
David Kipping @davidkipping.bsky.social Astronomy, Exoplanets, Astrobiology, Cool Worlds Lab, Columbia University. Be kind to one another.
Physics World @physicsworld.bsky.social News, views and information for the global physics community. physicsworld.com
Uncle Duke @uncleduke1969.bsky.social Does this look infected?
Just My Nonsense:
https://bsky.app/profile/did:plc:2cz6x3e7thlqjc5cxa2hnbsn/feed/aaab3yqtmpox2
My Least Worst:
https://bsky.app/profile/did:plc:2cz6x3e7thlqjc5cxa2hnbsn/feed/aaadpxkw36ag6
Lauren Laverne @laurenlaverne.bsky.social Broadcaster. Slow eater, fast reader.
Caroline Lucas @carolinelucas.bsky.social ๐ Former MP for Brighton Pavilion, former Leader @greenparty.org.uk Professor of Practice, University of Sussex. Author of 'Another England: How to Reclaim our National Story'. Writing & campaigning on climate & nature ๐ linktr.ee/carolinelucasbrighton
Build Soil, Collect Water, Emerge from the Ashes. @buildsoil.bsky.social He/Him
Emergent, PhD student & Executive Director buildsoil.net
Talks about Build Soil but this is a private account separate from the nonprofit. The Icon for the account is a hand drawn chestnut wrapped up in a ribbon with the words "Build Soil" on pink
Dr Richie Howard @arthropoda-curator.bsky.social Curator of Fossil Arthropods at the Natural History Museum, London ๐ฆ
Nature geek and outdoor enthusiast with a passion for angling ๐๐ฟ
Emily Hunt @emily.space Postdoc @univie.ac.at working on star clusters & machine learning.
Also: open web developer & enthusiast, working on @astrosky.eco and more
๐ณ๏ธโ๐ ๐ณ๏ธโโง๏ธ (she/her), โ
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Shishir Dholakia @astroshishir.bsky.social Astrophysics PhD Candidate at UniSQ | Exoplanet detection and characterization | Astrophotography & SciComm | prev. UC Berkeley | https://shishirdholakia.github.io/
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/
Sarah Tuttle @niais.cryptoanarchy.network "Ok. Not good. Probably bad." Disabled, queer, Jewish, cyborg, astrophysicist, abortion funder, antifascist, wielder of wrenches. Building joy with a side of chaos. "..a wizardess is never late. Nor is she early. She arrives precisely when she means to."
Chris Packham @chrisgpackham.bsky.social Broadcaster & environmental campaigner
chrispackh.am/links
Sarah E Moran @offallingstars.bsky.social she/her.
(Exo)planetary clouds/hazes in ๐ฉ๐ฝโ๐ฌ,๐ป,๐ญ
Lover of all worlds, great and small. ๐๐ช
Assistant Professor of Astronomy at UMD.
๐บ๐งโ๐ฉฐ๐ฑ๐งโโ๏ธ๐โโ๏ธโ๐ธ๐ญ๐
All opinions just me.
Always screaming inside my heart.
https://tx.ag/moran
Sarah Hรถrst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titanโs biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal
Hannah Wakeford @stellarplanet.bsky.social Exoplanet scientist. Science communicator. Author. Podcaster. Miniature painter. Wife. Cat mum.
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. ๐ฌ๐ง๐ง๐ช Opinions my own. 
Chris Lintott @chrislintott.bsky.social Astronomer, writer and zookeeper. Oxford, Gresham and the Zooniverse. The human half of the Dog Stars podcast. New book: 'Our Accidental Universe' (UK/rest of world) and 'Accidental Astronomy (US) now out.
Dan F-M @dfm.io Retired computational astrophysicist
Interpretability at Anthropic; prev Google DeepMind, Simons Foundation, Journal of Open Source Software
(he/him)
https://dfm.io // https://github.com/dfm
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.
Sarah @sjs917.bsky.social Ex-astronomer turned data scientist, living in Berlin. Feminist, hobby hopper, baker, cyclist, and video/board gamer. Bi, polyam, autistic. She/her.
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
Matthew Kenworthy @mattkenworthy.bsky.social Professor of astronomy working at Leiden Observatory in the Netherlands on the direct imaging of extrasolar planets and transits of giant ring systems || Opinions my own || Will tell Dad jokes for cash. https://kenworthy.space/
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Caroline Morley @astrocaroline.bsky.social Astronomer, Associate prof at UT Austin, mother of two small humans
Brooke Simmons @vrooje.net Professor of Astrophysics: Galaxies, Black Holes, the Changing Sky. Also Zooniverse humanitarian and disaster relief lead. People first, then science. She/her
Dr Jake Taylor @astrojake.bsky.social Astrophysicist at the University of Oxford. Researching the atmospheres of exoplanets.
Michael Merrifield @astromikemerri.bsky.social Emeritus professor of astronomy at the University of Nottingham. Too frequent appearances on YouTube. All my own views.
Michele Bannister @astrokiwi.bsky.social Planetary astronomer @UCNZ: envisioning worlds from here and elsewhere, in a dark & glorious sky. Rutherford Discovery Fellow & Assoc. Professor. Asteroid (10463). Pฤkehฤ; she
Ed Yong is offline @edyong209.bsky.social Writer, journalist. Science, health. Pandemics, animals. Birder, photographer. Many words, some awards. AN IMMENSE WORLD, I CONTAIN MULTITUDES. Married to Liz Neeley, parent to Typo. he/him
๐ท Canon R6mkii + RF 800mm
Edyong.me
Jason Wright @astrowright.bsky.social Professor of Astronomy and Astrophysics at Penn State.
Son, father, partner, scientist, teacher, student, human, Earthling.
Mostly posting astronomy. Mostly.
Dr. Lucian Walkowicz @notnotrocketscience.com Astronomer, movement artist, & educator based in Chicago ๐ธ Founder, Not Not Rocket Science โจCo-founder, the JustSpace Alliance ๐they/them causing mayhem
notnotrocketscience.com
Michelle Collins @runningastronomer.bsky.social โจAstronomer searching for and studying the faintest galaxies in the Universe โจco-host of the @starxiv.bsky.social podcast โจ Enthusiastic-but-mediocre runner ๐๐ปโโ๏ธ vegan ๐ฑ She/her
Andrew Mann @amann.bsky.social Associate professor of Physics and Astronomy at UNC Chapel Hill studying young exoplanets and stars. Dad to one human and one cat. ๐ณ๏ธโ๐๐๐. Carrboro Citizen. http://andrewwmann.com
Henry Ngo @astrodino.planetngo.ca Data scientist. Previously worked in planetary astronomy. he/him/his
Richard Alexander @richardalexander.bsky.social Astrophysicist at the University of Leicester | Dad | Cyclist | Exiled Scot
https://rdalexander.github.io
Tom Bickle @astrobicks.bsky.social Astro PhD student at University of Hertfordshire. Interested in the atmospheres of young brown dwarfs & planetary mass objects | Can usually be found shouting obscenities at python. he/him
Laura Kreidberg @lkreidberg.bsky.social Exoplanets, atmospheres, aliens. Director of the APEx Department at the Max Planck Institute for Astronomy.
Saavik โCareful of the Ankleโ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
Emily Rauscher @astronemly.bsky.social Astronomy prof at U Michigan; exoplanet atmospheres in 3D; cares about people more than science; despises chocolate (she/her)
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.
Meg Schwamb @megschwamb.bsky.social Planetary scientist & astronomer at Queenโs University Belfast: KBOs, Planet Four(Mars), exoplanets (Planet Hunters NGTS) ,LSST SSSC co-chair. Opinions posted are my own. Pronouns: she/her
James Davenport @jradavenport.com Astronomy professor in Seattle. Coffee drinking, year-round-plaid wearing, joke telling space dad. Searching for ET, caring for humans.
https://jradavenport.github.io
๐ญโ๏ธ๐ค