John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
LUMA @lumamentoring.bsky.social Peer Mentoring community for Black, Indigenous and Latinx women and Gender Minorities in astronomy, physics and planetary science πβ¨οΈ
Director: Prof. Catherine Espaillat
Coordinator: Sabrina Khan
Fabian Schussler @fabianschussler.bsky.social Astrophysicist: multi-messenger observations at high-energies, H.E.S.S./CTA; SVOM, ANTARES, etc.
PI of Astro-COLIBRI (https://www.astro-colibri.science)
Meghan Buchanan @megs13031.bsky.social 2024 Physics grad from SFASU. I love my rescue dog, glitter, and exoplanet research β¨ She/her
Mabel Stephenson @astromabes.bsky.social astrophysicist β’ bona fide yapper β’ interstellar medium, galaxy evolution lore β’ art, music & observing lover β’ history, plant & cat enthusiast β’ πΊπ¦π΅πΈποΈπ€πΌ #1u
Jupiter Ding @jupiterding.bsky.social PhD student @nuciera.bsky.social | he/him
Arielle Bennett @arielleb.bsky.social Open research communities enthusiast, The Turing Way contributor, SSI 2025 Fellow, OLS mentor, CSCCE 2019 Fellow, currently senior researcher at The Alan Turing Institute. 
Faezeh Manesh @astrofaezeh.bsky.social Galaxy enthusiasts | Astronomy PhD student @UC Riverside | Favorite colors: UV/Optical| she/her
https://faezehmanesh.github.io
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. π³οΈβπππ. Carrboro Citizen. http://andrewwmann.com
AAS Committee on the Status of Minorities in Astronomy @aascsma.bsky.social Committee of the @aasoffice.bsky.social charged to enhance participation in astronomy at all levels of experience.
sanjana! @sanjanacurtis.bsky.social big fan of stars π»β¨π¦«π³οΈβπ
Michelle Brann @michellebrann.bsky.social Astrochemistry, Postdoctoral Fellow at the Harvard & Smithsonian Center for Astrophysics | University of Chicago Chemistry PhD | Wellesley College Alumna
she/her
MichelleBrann.com
Jenny Calahan @jkcalahan.bsky.social UMich PhD --> Origins of Life Institute at Harvard ; I study protoplanetary disks in the safety of my home π©βπ» ; Showtunes are my coffee πΆ ; (Coffee is also my coffee)
Dr. Suchitra Narayanan @suchitra.bsky.social Center for Astrochemical Studies Postdoc @MPE-garching π formerly: NSF Fellow @UHIfA/@CenterForAstro β @astrobites author βΏ chemical & biomolecular eng/astrophysics @UCBerkeley βΎ @AAS_SC β my views
@bluerocket25.bsky.social @bluerocket25.bsky.social 
Dr. Karen K. @galastronomer.bsky.social she/her. Galaxy collisions expert who happens to be a girl. Astro faculty, EPO pro, bellydancer, & fire spinner. Opinions are my own.
Anya @anyamphillips.bsky.social astronomy phd student at harvard, previously at ohio state (they/she)
i like binary stars
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Dr. Jake Turner π‘π§²πͺ @astrojaket.bsky.social Astronomer studying the magnetic fields & atmospheres of exoplanets at Cornell | Environmentalist & activist | Photographer | Traveler | (he/him) | #BLM #LGBTQ #Climate #Resister #FBR
π¦: astro_journey
π: https://astrojaketurner.space/
πͺAshley π LindalΓaβοΈ @that-astro-chic.bsky.social Astrochemist βοΈ | Planetary Scientist π | The Realest In The Streets | Founder of BlackInAstro | Fairy Godmother of Astro π§π½ββοΈ| Astronomy's fave hype woman| NASA FINESST| Ice Queen π§π¨| Planetary Science Doctoral Student|
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
advil from twitter πΈπ @abdul.cool @advil from twitter :)
traveling the world and taking neat photos at night
prints, puzzles and photo books π
www.abdul.cool
Jake Postiglione @jakepost.tech PhD student in Astrophysics at @thegraduatecenter.bsky.social πβ¬, guest researcher at βͺβͺ@amnh.org π¦β¬β¬, and @flatironinstitute.orgβ¬ π, gw and multi-messenger enthusiast π‘, hoarder of D&D dice π, only codes in dark mode π.
he/him π³οΈβπ
π https://jakepost.tech
Chloe Neufeld @chloeneufeld.bsky.social astro phd student at Yale
chloeneufeld.github.io
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.
Imad Pasha @prappleizer.bsky.social BA UC Berkeley, PhD Yale. Currently working on CGM observations with the Dragonfly FRO. Interested in galaxy evolution and statistical methods! Author of Astronomical Python and the pysersic code.
Kendra (Kae) Nguyen @kae-nguyen.bsky.social PhD Student at Yale Astro πͺ
They/Them
The only binary I'm interested in is binary star and planet systems
Ryan White @astroryan.bsky.social Astrophysics student at Macquarie University, artist, bread obsessed. Studying cool (but actually quite hot) stars π @astrobites.bsky.social author πͺ i have art too! @ryanwhiteartist.bsky.social ποΈ
ryanwhite1.github.io
(he/him)
Fun Fact Science with Kovi @funfactscience.com Astrophysics PhD candidate studying stars that go snap, crackle, and pop - communicating scientist - meme aficionado. 
sarah (they/them) π· @twinsunsfour.bsky.social astronomy phd student at IU. everything i do is for my cat. https://sarahpopp314.github.io/
Aditya Sengupta @adiastra.bsky.social Astronomy PhD student at UCSC
William G. Lamb π΄σ §σ ’σ ·σ ¬σ ³σ Ώ @astrolamb.bsky.social π‘ NANOGrav Research Assistant
π PhD in Astrophysics, Vanderbilt University, Nashville TN
π΄σ §σ ’σ ·σ ¬σ ³σ Ώ Siaradwr Cymraeg o Eryri
π½ US βResident Alienβ
π Uni of York Alumnus
π± Dad of WiggleWorm
ππ²πTriathlete
π Swing Dancer
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 π³οΈβπ
Shishir Dholakia @astroshishir.bsky.social Astrophysics PhD Candidate at UniSQ | Exoplanet detection and characterization | Astrophotography & SciComm | prev. UC Berkeley | https://shishirdholakia.github.io/
CosmicRami π³οΈβππ³οΈββ§οΈ @rami.spaceaustralia.com Astronomer, driving The Dishπ‘ to study pulsars in my PhD. Also, founded SpaceAustralia.com. Also, love a bit of astrophotography. Also, do everything with my little mate, Max. Also, Ultra-Gay. He/Him.
Anushka Doke @anushkadoke.bsky.social Astrophysics PhD Student @UMassD @U2GRC β’ BS-MS @IISERPune '23
Gravitational Waves β’ High Energy Physics β’ Machine Learning
https://anushkadoke.github.io/
Sammy Hasler @sammyhasler.bsky.social interested in directly imaging exoplanets and studying solar system analogs β’ postdoc at STScI β’ thoughts and opinions my own
snhasler.github.io
Ava Polzin @avapolzin.bsky.social professional nerd/astronomer
avapolzin.github.io
Dr. Alison Duck @astroalison.bsky.social Exoplaneteer - OSU Astronomy PhD
Teagan Clarke @astroteagan.bsky.social Postdoc | gravitational-wave astronomer | Princeton University | π« π³οΈβπ π¦πΊ
Chris Trejo @trejocosmico.com PostBac, looking to get into grad school, working in Data Science at Caltech with the LISA team, love sci-fi, Miami Dolphins, Lakers, books, music and more.
https://trejocosmico.com/
AndrΓ‘s GΓ‘spΓ‘r @andrasgaspar.bsky.social Associate Astronomer at the University of Arizona. JWST/MIRI Instrument Team. Debris disk aficionado. Classic car enthusiast. Opinions my own. He/him
Jasmine ππ @astrojaz.bsky.social πͺ utsa/swri physics grad student | βοΈ europa clipper grad affiliate | π nasa solar system ambassador
space news β’ photos β’ facts β links
https://beacons.ai/astrojaz- R Dr. Raquel A. Martinez @rmartinez.bsky.social
Seven Machina Rasmussen @toomanyspectra.bsky.social humanoid astrobiologist π SFF author (largely oxygen by mass) π transhumanist π€ star trek autism character π she/they π³οΈβπ instructor @ Columbia βοΈ CLOUDY WITH A CHANCE OF STARSHIPS now availabile wherever books are sold π
sevenrasmussen.com
Claudia Scarlata @scorfano.bsky.social 
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanityβs scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
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
Ethan Vishniac πΊπ¦π¨π¦πΊπΈ @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
Dawn Gelino @dawngelino.bsky.social Manager for NASAβs Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute
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!
August (Gus) Muench @augustfly.bsky.social data editor in New Haven; tree/bird/sky watcher; former Bostonian/Floridian/IR Astronomer
Sarah Blunt, PhD π΅πΈ @blunt-comma-s.bsky.social Exoplanet astrophysicist and avid petter of dogs.
Al Jazeera English @aljazeera.com Your story. Your platform. Follow our live coverage on aljazeera.com
Paarmita Pandey @astrofermi.bsky.social Astronomy grad student at Ohio State πβ¨Cosmic Rays | Stellar Feedback | Transients π«
Kaley Brauer @kaleybrauer.bsky.social NSF Postdoc @ Harvard & Smithsonian Center for Astrophysics
https://twitter.com/kaleybrauer
Jorge Moreno @jorgitomoreno.bsky.social Associate Professor. 4th Mexican scholar to earn tenure in astronomy/astrophysics in the United States. Exploring more research heavy opportunities. https://jorgemoreno.org
Pratik Gandhi @astrogandhi.bsky.social Astro PhD student @UC Davis, interested in low-mass galaxies and simulations. Originally from Mumbai, undergrad Yale '18. Involved in Astrobites and AoT Davis. he/him
Malena Rice @malenarice.bsky.social Planetary astrophysicist β’ Assistant Professor, Yale Astronomy β’ exoplanets & solar system
Yvette Cendes @whereisyvette.bsky.social Astronomer here! Iβm a Hungarian-American radio astronomer, alias /r/Andromeda321 on Reddit. Assistant professor at the University of Oregon 
Jennifer Rodriguez @astrojennifer.bsky.social Astronomy PhD Student at Ohio State π
She/her/ella π¨π±
Arianna Long @astroarianna.bsky.social professor studying galaxy evolution & cpo at vanguardstem
servant to my dog. simultaneous coffee + tea snob. dancer. writer.
#BlackinSTEM | autizzy | she/they
Black In Astro @blackinastro.bsky.social Celebrating and amplifying the Black experience in space-related fields. EST. 2020
βοΈ blackinastro@gmail.com
Website: blackinastro.com
https://www.blackinastro.com/black-space-week-2026
Astrobites @astrobites.bsky.social Digestible summaries of the latest astronomy research. Written by an international team of grad students for undergrads! Supported by the @AAS_Office. #scicomm
Dr. Caprice Phillips @capricephillips.bsky.social NHFP Sagan Fellow@UCSC ππ|RCSA Fellow| Chancellors Postdoctoral Fellow| brown dwarfs & exoplanets| Black In Astro VP|plan(e)t mom πͺ΄/πͺ|she/her/hers
Website: https://capricephillips.space
Space Telescope Science Institute @stsci.edu STScI is the Science Operations Center for Webb, Hubble, and Roman space telescopes, & Mission Operations Center for Webb. We help humanity explore the universe with advanced space telescopes and data archive. news.stsci.edu
Jane Rigby @janerigby.bsky.social Astronomer, human, described by adjectives too dangerous to list. Views mine
Reach for the stars. But not that one β itβs about to go boom
Grant Tremblay @granttremblay.com Astrophysicist at the Center for Astrophysics | Senior Vice President, American Astronomical Society
Erin Cox @sparkledarkness.bsky.social into the mountains i go
Eric Koch @eric-koch.bsky.social Astronomer | Data scientist
John Lewis @astrojthe3.bsky.social Learning and Education Design specialist, Software (Python/vue.js) dev, PhD Astronomy, @harvard.edu @cosmicds.bsky.social, πβοΈ
Comments, RTs, likes are all me and represent on one else
Alicia Andrzejewski (she/her) @aliciaandrz.bsky.social associate prof. of Shakespeare | book: βqueer pregnancy in Shakespeareβs playsβ | proud CUNY alum | bylines: Chronicle, Boston Globe, LA Review of Books, Electric Lit, Catapult, American Theatre, LitHub, Huffington Post, etc
aliciaandrzejewskiphd.com
Mikayla Huffman @craterkit.bsky.social Impact physics & atmospheres | Ph.D. candidate at CU Boulder APS | M.S. CU Boulder β24 | B.S. W&M Physics '22 | All opinions are my own :)
Dr. Genevieve Schroeder @genevieveschroeder.bsky.social Postdoctoral associate at Cornell University- Radio Astronomy and Transients
Neel Kolhe @neelkolhe.bsky.social PhDing @ Paris Observatory. Galactic Dynamics, radio Astronomy, cosmology.
Natural Sciences π€ Social sciences
Ecology | Science Fiction | urbanism |
Prisonculture @prisonculture.bsky.social co-founder of various organizations: Interrupting Criminalization; Survived & Punished; Sojourners for Justice Press; For the People Leftist Library Project, NYC PLAN, etc...
#StupidSuez @diplomatofnight.com ΩΩΨͺΩ Ψ§ΩΩΨͺΩΩ ΩΩΩ
Ψ΄Ω ΩΩ Ψ¬ΩΨ§Ψ²ΨͺΩ
https://buymeacoffee.com/emissaryofnight
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. 
Kelsey Johnson @profkelsey.bsky.social Mother, astrophysicist, educator, writer, artist, thinker about things. Views expressed are mine. Duh. 
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."
Laura Lopez @ohdearz.bsky.social Professor of astronomy π at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her π²π½
Sean Richards | ToitΕ« Te Tiriti | they/she @ordinarystarman.com Non-binary binary star modeller. SΔmoan & manuhiri to Aotearoa. Builder of cool shit. Absolute nerd. Opinions own.
Research Fellow @ University of Auckland
Current book list: https://ordinarystarman.com/books/
they/she.
Chanda Prescod-Weinstein π @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. π³οΈβπ/agender/woman.
Posts by/for meππ½
Dr Rajika "Reggie" Kuruwita @reggiek.bsky.social Sri Lankan-Australian Astrophysicist π±π°π¦πΊ. Post-doc at the Australian National University. Binary and multiple star formation! β¨ Cats, Space, science-based life choices, DV survivor, She/her, opinions my own
Max Mammel @mjmtools.com Software developer, astronomy enthusiast, puzzle enjoyer. Some hobby code: https://github.com/mmammel/projects, and my playground site: https://www.mjmtools.com
The purple icon thing was created with the "Number Spirals" page, the dinosaur is my drawing.
Jonathan McDowell @planet4589.bsky.social Astrophysicist
Support the work of Jonathan's Space Report:
https://www.gofundme.com/f/fund-jonathans-space-report-library-transition
anna !!! :) π΅πΈπΈβ¨πΈπ΅πΈ @frogs4girls.bsky.social | she/her π³οΈβπ | 26 | cutie pie | astrophysics grad student | virgo | jew for a free palestine | lifeβs more painless for the brainless! | pls be nice to me | https://linktr.ee/frogs4girls | pfp by foxpotato
Yoni Brande @yonibrande.bsky.social phd astrologer, world class barista, and professional chef
Saavik βCareful of the Ankleβ Ford @saavikford.bsky.social CUNY Astro prof, AMNH research assoc, runner, astronomer, crafter, camper, gardener, mom, all opinions completely my own (she/her)
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
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
Catherine π @catieslaughts.bsky.social Imagining others complexly | VIEWS MY OWN
MaggieBeth @maggiebeth.space Former NASA postbac β’ still studying exoplanet atmospheres β’ UMaine Geology β24 β’ Gwen Stefani (the cat) fan account β’ my views β NASA
πMaine π²
maggiebeth.space
Charlotte Olsen, PhD π³οΈβπππ @charlotteeureka.bsky.social Astronomy PhD in NYC - galaxy star formation historian - π³οΈβπthey/sheπ³οΈβπ - LSST DA Catalyst Fellow and part time Adj Prof at CUNY City Tech - books, records, and thrift stores will be my downfall - passionate about all things galaxies, teaching, and LCFC π¦π
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
Dr./Prof. Meredith MacGregor @mmacgreg.bsky.social Associate Professor at Johns Hopkins in the Department of Physics and Astronomy | astronomer, educator, ceramicist, runner, mom | Pronouns: she/her