Stephen Serjeant on W @stephenserjeant.wsocial.eu Backup a/c. Astronomy Prof at Open University. 26.2. #RejoinEU, £➡️€. Views not OU’s and often not even mine. He/him
🐘 https://mas.to/@stephenserjeant
🧵 https://www.threads.net/@prof.stephen.serjeant
ORCID https://orcid.org/0000-0002-0517-7943
Print Play Protect @printplayprotect.bsky.social We make cool tabletop items :D
Dave @davejeeping.bsky.social 🌞
Jayde Willingham @jaydewst.bsky.social PhD candidate @ Swinburne University aspiring to understand how the first galaxies formed and how we got here. 🌌🪐💫 Keeping well read and caffeinated. 📚☕
jaydewillingham.github.io
instagram.com/jaydewst/
Will McClymont @willmcclymont.bsky.social Astrophysics PhD student at Cambridge working on galaxy formation theory.
Simone Nespolo @simonenespolo.bsky.social Friuli, Italy.
Award-Winning Writer with International Recognition
Maciej Kania @kaniamaciej.bsky.social Computational neuroscience
PhD candidate Vogels Group @ ISTA
ÖAW-DOC Fellow 🧠🏳️🌈
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.
@wormiscrawling.bsky.social @wormiscrawling.bsky.social 
Barry Hoggard @bhoggard.bsky.social art collector (Hoggard Wagner collection) and software engineer with very left-of-center politics; partner of @jamesarthurwagner
International Space Science Institute (ISSI) @issibern.ch The International Space Science Institute (ISSI) in Bern, Switzerland, is an institute of advanced studies where scientists from all over the world meet to discuss and publish about the most-pressing science topics.
Visit us on www.issibern.ch
a moveable beast… @moveablebeast.bsky.social “rootless cosmopolitan globalist”
Wendy Sun @wendysun.bsky.social astronomy research assistant @ UH Mānoa · MIT '26
Fred Davies @freddavies.bsky.social Independent Research Group Leader @ MPIA
reionization, quasars, UVB, PypeIt, stuff
Sarah Bosman @sbosman.bsky.social Leader of the 𝘍𝘳𝘰𝘯𝘵𝘪𝘦𝘳 research group @Heidelberg
Observing high-redshift quasars because they're cool
and sometimes, they even teach us new things about the Universe- I @ivkram.bsky.social @ivkram.bsky.social
Katherine Ormerod @katherineormerod.bsky.social PhD student studying the Epoch of Reionisation at LJMU | football & formula 1 | Bolton Wanderers fan | 🏳️🌈 she/her
Joris Witstok @joriswitstok.bsky.social Looking up at the stars at the Cosmic Dawn Center (DAWN), Niels Bohr Institute, University of Copenhagen. Previously at Kavli Institute for Cosmology, University of Cambridge, University of Leiden. (He/him) 🇪🇺🇳🇱🇬🇧🇩🇰
Science HR @sciencehr.bsky.social A career network featuring science jobs in academia and industry.
Visit our platform at www.science.hr
Alberto Torralba @totoal.bsky.social Astronomy 🔭
PhD candidate at the Universitat de València
January 2025 -> Institute of Science and Technology Austria (ISTA)
Engineering HR @engineeringhr.bsky.social Engineering Human Resources. A job board and career portal for engineers, researchers and developers. Our website: https://www.engineering.hr- S Sara Mascia @saramascia.bsky.social
David Abuín Eichinger @davideichinger.bsky.social I enjoy playing with family, reading science fiction and history, gardening, board games, and hiking. I'm a father, husband, Navy veteran, and graduate student studying Robotics at George Mason University.
Mastodon: https://scicomm.xyz/@David
Sangeeta Malhotra @astrodame.bsky.social Astronomer, dog feeder, bird watcher, maker of bad, dad jokes.
Views expressed are all mine, and not of my employer, family, or voices in my head.
Faezeh Manesh @astrofaezeh.bsky.social Galaxy enthusiasts | Astronomy PhD student @UC Riverside | Favorite colors: UV/Optical| she/her
https://faezehmanesh.github.io
@onasyini.bsky.social @onasyini.bsky.social 
Shannon Towey @stowey.bsky.social space & baseball nerd 🚀⚾️✨
Ankita Mondal @astrowithankita.bsky.social Caffeinated Introvert, who studies galactic archaeology 🌌
PhD student at @swinburne!💫 (she/her)
@spaliga.bsky.social @spaliga.bsky.social Doing my part to help bring accurate info to the forefront.
Any democracy is fragile & tenuous; it needs constant informed participation.
I don't make posts, but strictly reply into much bigger accounts where more eyes could possibly see it.
Dr. Farhan(ul) Hasan @farhantasy.bsky.social Astrophysicist. Postdoc at Space Telescope. Galaxy evolution, cosmic web, and the gaseous universe 🔭☁️🌌 🇧🇩
Views my own
Benny Trakhtenbrot @bennytr.bsky.social Drinking coffee, watching black holes grow. z=0.
@demonplanet.bsky.social @demonplanet.bsky.social L. Drake Deming. Decades of exoplanets: Ground, Hubble, Spitzer, JWST. Radiative transfer. RV of the Sun-as-a-star.
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
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).- M Matthieu Le Lain @matlastro.bsky.social Astronomy and astrophysics sprinkled with Deep Learning... or the other way around ! PhD student working on Foundation Models for Astronomy. #galaxy
Chris Evans @chrisinbaltimore.bsky.social European Space Agency HST & JWST Project Scientist; Head of ESA Office, STScI; views my own
Jul Grv 🔭🇫🇷 @jijugo.bsky.social Astronome amateur, passionné de sciences et joueur de tennis 🔭⚛️🎾
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. 
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.
Sierk van Terwisga @sierkdoesscience.bsky.social I'm an astronomer working with ALMA on the destruction and chemistry of protoplanetary disks. Currently a postdoc at the IWF and no longer living from boxes!
Prof Stephen Serjeant @stephenserjeant.bsky.social Astronomy Prof at Open University. 26.2. #RejoinEU, £➡️€. Views not OU’s and often not even mine. He/him
🐘 https://mas.to/@stephenserjeant
🧵 https://www.threads.net/@prof.stephen.serjeant
ORCID 0000-0002-0517-7943 https://orcid.org/0000-0002-0517-7943
Aurélien Genin @astroaure.eurosky.social Astronome amateur 🔭📸 Stagiaire en robotique spatiale au CNES 🛰🔧 Veut explorer l'univers à coups de robots 🤖
Alumni Polytechnique X2021 🟡, OCA 🌌, EPFL 🇨🇭
https://woosh.link/astroaure.eurosky.social
@thoasm.eurosky.social @thoasm.eurosky.social 
Oliver Hahn 🇪🇺 @cosmohahn.bsky.social Computational Cosmologist, Simulator of Universes, Producer of NaNs, Prof
@univie.ac.at, opinions solely my own, (he/him), 334ppm
Graham Smith @grahamsmithastro.bsky.social Professor, University of Birmingham
Project Scientist, LSST:UK
grahamsmithastro.com
All views are my own
Bob Allison @bob-allison.bsky.social 
Inorganic Materials from Nano to Macro Scales @groupibanez.bsky.social A curiosity-driven research group at the Institute of Science and Technology Austria (ISTA) focusing on the development of materials for energy-related applications and answering fundamental questions regarding nanocrystals
https://ibanezgroup.pages.ist.at
Institute of Science and Technology Austria (ISTA) @istaresearch.bsky.social The Institute of Science and Technology Austria (ISTA) is dedicated to cutting-edge basic research and graduate education.
www.ista.ac.at
Claire Bolda @latoilecosmique.bsky.social Astronomy PhD student @ TAMU | she/they 🏳️🌈 | galaxy star-formation shenanigans
Moritz Fischer @moritzfischer.world Astrophysicist • Dark Matter
moritzfischer.world
darkium.org
Cosmic Dawn Center @cosmicdawncenter.bsky.social The Cosmic Dawn Center (DAWN) DAWN is a collaboration between the Niels Bohr Institute (U. Cph) and DTU Space, dedicated to uncovering how the first galaxies, stars and black holes formed and evolved in the early Universe.
Gaurav Pundir @gauravpundir909.bsky.social Master's student interested in physics, IISER Pune '25
Rui Martins @ruimartins.bsky.social Centro-Esquerda. Amante de História & Tecnologia. Cibersegurança & IT Ops. Cidadania Local & Democracia Participativa. BD & FC. Olissipógrafo às vezes.
Renske Smit @renskerens.bsky.social Reader in observational astrophysics. Parent. From Amsterdam, living in Liverpool <3
Pablo Arrabal Haro @richarwirman.bsky.social Astrophysicist at NASA Goddard Space Flight Center.
Gym, books & board games geek. Love solving probability problems too.
From Málaga. Living in Washington DC.
parrabalharo.com
The PRIMORDIAL group @primordial-grp.bsky.social Studying primordial galaxies and black holes at cosmic dawn
Robert Lea @robleascijorno.bsky.social Senior Writer http://Space.com all opinions are my own. #scicomm #Space #Physics #Astronomy Portfolio at https://authory.com/RobertLea
Luca Di Mascolo 🟥 @lucadimascolo.bsky.social SZ-ing the Universe from the Kapteyn Institute 📡
Fourier-space aficionado, dad of a sourdough starter, antifa
Proud co-creator of herakoi 👋🎶
https://lucadimascolo.github.io/
Andrea Botteon @andreabotteon.bsky.social Astrophysicist at INAF-IRA. Previously at UniBologna and UniLeiden. Mainly dealing with colliding galaxy clusters, merger shocks and their radio outcome.
Jack Bravo @jpkbravo.bsky.social Assistant Professor @ ISTA
Using cryo-EM to understand how bacteria defend themselves
https://bravo-lab.org/
@abhijnan.bsky.social @abhijnan.bsky.social 
Kasper Elm Heintz @kosmoskasper.bsky.social Assistant Professor at the Niels Bohr Institute / University of Copenhagen. Studies the formation of primordial galaxies and the chemical enrichment of the Universe
Anshuman Acharya @anshumanastro.bsky.social BCCP Postdoctoral Fellow at UC Berkeley| PhD at MPA '25: Epoch of Reionization, 21-cm cosmology 📡, Machine Learning, cosmological sims | MS: CfA, Stellar X-rays | BS-MS IISER Mohali '21 | Sci-Comm | Sometimes write/doodle/make music! 🎸🎙️
Dr. Jackie Champagne @whatamergerjr.bsky.social Software engineer at STScI. Former JASPER Postdoc @ Steward Observatory. Astronomy PhD from UT Austin. I have JWST and ALMA tattoos because I can't pick a favorite long wavelength telescope!
Jiachen Bai @astrobai.bsky.social PhD student at the Institute for Astronomy, University of Edinburgh, interested in cosmology.
astrobai.github.io
Gijs Nelemans @gijsnelemans.bsky.social ✨ 🔭 Astronomer 💥 💻 | Binary stars 💫| Gravitational Waves 〰️🌊|
Rohan Naidu @rpnaidu.bsky.social Astronomer @ University of Hawaiʻi. 🇮🇳 →🇸🇬 →🇺🇸 https://rohannaidu.github.io/
Prof. Stefano Bianchi @astrobianchi.bsky.social Astrofisico - Professore presso l'Università degli Studi Roma Tre
https://sites.google.com/inaf.it/stefanobianchi
"Cosa fa un astrofisico? Ripara le stelle..."
Tom Henzinger @thenzinger.bsky.social Computer scientist @istaresearch.bsky.social @forwit.at @erc.europa.eu @nasonline.org @royalsociety.org @leopoldina.org @oeaw.bsky.social @acad-euro.bsky.social 
Christoph Lampert (MLCV@ISTA) @mlcv-at-ista.bsky.social Professor at ISTA (Institute of Science and Technology Austria), heading the Machine Learning and Computer Vision group. We work on Trustworthy ML (robustness, fairness, privacy) and transfer learning (continual, meta, lifelong). 🔗 https://cvml.ist.ac.at
Leonard Burtscher @ileo.de he; husband; father of 3; climate and energy policy Umweltinstitut München; astronomer with Astro4Earth and Uni Leiden; ADFC Garching
Rychard Bouwens @introspectrych.bsky.social Astrophysicist. Loves being lost and how alive it feels. Enjoys witnessing courageous authenticity and random acts of kindness.
JM @galaxyfarmer.bsky.social 
Katharina Lichter @klichter.bsky.social Synaptic Physiologist & MD. PostDoc @istaresearch.bsky.social. Investigates nanoscopic structure-function of synapses. Dedicated to hippocampus, bicycles & mountains.
Sandro Tacchella @sandrotacchella.bsky.social Assistant Professor of Astrophysics, studying the evolution of galaxies, University of Cambridge, Fellow of St Edmunds College 🇨🇭🇺🇲🇰🇷🇬🇧
Claudia Scarlata @scorfano.bsky.social 
Loreno Heer @lorenoheer.bsky.social Scientist: PhD in mathematics. Working in hyperbolic geometry, analysis in metric spaces and mathematical physics (gravitational waves and general relativity), various other scientific interests.
Here mostly to connect with researchers.
he/him
born@344 ppm
Neev Shah @neevshah101.bsky.social he/him | astro PhD student @stewardobservatory.bsky.social @uarizona 🌵| @astrobites.bsky.social author | interested in massive stars ✨ binaries ⭐⭐ gravitational waves ⚫⚫ | prev undergrad @IISERPune
Jake Bennett @jake-bennett.bsky.social Astrophysicist, Leverhulme Early Career Fellow at the University of Nottingham, formerly found in a couple of different Cambridges.