Australian Research Council @arc-gov-au.bsky.social We support the research sector to produce excellent and impactful outcomes for Australiaβs economic, social, environmental and cultural benefit.
Linn Boldt-Christmas @nplinnspace.bsky.social πΈπͺππͺπΊ Astrophysicist in exoplanet science & space policy research πͺπ Also: astrobiology, telescopes, climate, equality/EDI, and scicomm β¨ (she/her) β linnboldtchristmas.wordpress.com
Sophia Vaughan @sophiavaughan.bsky.social Trekkie and astronomer
Meredith Rawls @merrdiff.bsky.social Astronomer at UW, data pipeline wrangler for Rubin Observatory, satellite mitigation leader via IAU CPS SatHub, mom, violist, Ballardite (Seattle), family cargo e-bike evangelist, Episcopalian, etc. Opinions all mine
McSweeney's @mcsweeneys.net The official Bluesky feed of McSweeney's Quarterly Concern, McSweeney's Internet Tendency, & McSweeney's Books.
.
Hugh McDougall Astro @hughmcd-astro.bsky.social Hi, Iβm Hugh! I'm an astronomy PhD student at the University of Queensland. I work in Bayesian stats, JAX + NumPyro, doingreverberation mapping of active galactic nuclei with OzDES
Website: https://hughmcdougall.github.io
ORCiD: 0009-0008-5846-1543
π
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)
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
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
William Shakespeare @shakespeare.lol All the worldβs a stage
Mike Lund @lowbacca.bsky.social Astro Applications Developer and Acta Prima Aprilia editor
David Kipping @davidkipping.bsky.social Astronomy, Exoplanets, Astrobiology, Cool Worlds Lab, Columbia University. Be kind to one another.
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/
Phil Armitage @philip-armitage.bsky.social Astrophysicist at Flatiron CCA & Stony Brook working on accretion and planet formation. Also Mr. Pisconti / Nicoβs dad / hiker / Zwifter / (lapsed) photographer
Luis Welbanks @luiswel.bsky.social 51 Pegasi b & Presidential Postdoctoral Fellow studying the atmospheres of planets outside our Solar System at @SESEASU -> Assistant Professor @SESEASU 2025
Previously @NASA Sagan Fellow. @Gates_Cambridge
scholar at @Cambridge_Uni.
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...π
The Scamperbeasts @scamperbeasts.bsky.social Sugar, Spice, Smudge and Saja, and occasionally guest animals and humans.
Rachel @rachmarie.bsky.social She/her. 3 raccoons in a trench coat. Homerβs human. Not affiliated with any rescue, just sharing some of the wonderful cats available for adoption.
Frank & Joe π¨π¦ @thehardyboycats.bsky.social Frank and Joe, brothers and besties from Halifax, Nova Scotia
These guys are not AI, they're just weirdos (complimentary)
Ka'ra the tuxedo cat @karaisntactive.bsky.social iM a girl cat who loves naps and my dAde. jUst a fuzzy problem that lives in your house.
Simon πββ¬, Jolene π, Flower πββ¬π, Rachel π·π³οΈβπ @rachelgoes262.bsky.social Cats!! Here from #CatsOfTwitter , same @
Be the good human your pet thinks you are. #catchatbookclub, #Hedgewatch, retired from running marathon runner w multiple sclerosis , author: A Rose Blooms at Golden Fork on Amazon.
website: www.rewindliveslow.com
Sweet Charlie πΎπβπ¦π¦ππΆπβοΈ @teresalouise.bsky.social
πΎ names Cat...Charlie Cat πΎ
i judge humans πΌπΎπΈ
πΎ also turning water bowl over is best fun πΈ
#resist πΈ ππ
#AdoptDontShop #Hedgewatch #guncontrol
"No act of kindness, no matter how small, is ever wasted " ~ Aesop
Fiasco the cat @fiascothecat.bsky.social Fiasco is BIG GENIUS can catch any kind of moth even MAMMOTH am still working on hims SCREENPLAY it is very good no u cannot read it (he/him).
Parkin @parkinkatt.bsky.social HELLOES GOT ANY BISKITS | FOLLOWS CATS | NO D O G S | MITEY HUNTER
16/9/2016-11/3/2026
Miles & Molly @milesnmolly.bsky.social Miles O'Brien and Molly Millions. Two floofy rescue cats in Vancouver, Canada.
πPrincess Luna the catπ @princessluna.bsky.social Luna is a little, old tuxedo cat living with her Dad.
This a cat account engaging in cat speak, if you donnot like this feel free to mute and block. Please don't add this account to starter packs without asking.
Veronica @veronicaf.bsky.social She/Her. Soapmaker. I foster lots of cats and kittens, usually focusing on feral rehab. Autistic/ADHD. Disabled-cEDS. Tasmania, Aus.
Buy Soap: http://veronicafoaleessentials.com.au/
Buy kitten food: https://throne.com/veronicafoale
paypal.me/veronicafoale
GUINNESS @guinnessisacat.bsky.social AUTHOR. MODEL. ACTOR. A GOOD AND PRETTY BOY. I STEAL FOOD AND BREAK THINGS. OPINIONS ARE MY OWN. HE/HIM. π¨π¦
Jett @jettstrange.bsky.social I'm here to post pictures of my dumb little cat.
Sometimes I might post about video games, or music. It will be mostly cats though. 
dave wagner @davewagner.bsky.social two things make me happy and two things only: turgid, unworkable political theory and surly cats
Π²ΡΡ ΠΈΠ΄ΡΡ ΠΏΠΎ ΠΏΠ»Π°Π½Ρ
bjørnebær @lilbjornebaer.bsky.social house cryptid.
lord of leggies and madness.
sometimes mother draws me.
Cheddar @fartycheddarcat.bsky.social Fearse zombee fiter #ZSHQ, Gween Ops Ninja, #weeti, #IFC, Sooper Hewo, Ham Luver.
My stor: http://fartycheddarcat.etsy.com
My paytweeyon: http://patreon.com/fartycheddarcat
Goby π¨π¦ @gobycat10.bsky.social Goby was the best boss we could have asked for. Sadly, he retired π in August 2026. Love you forever π
His Staff will continue to post in his honour.
Her Feline Highness @herfelinehighness.bsky.social A colony of three cats just trying to make their way in the world and have a little fun.
Support our treat and catnip habits at patreon.com/user?u=84986233 (Mom translates some of our diaries for you). 
Mousecow @mousecow.bsky.social Being the adventures of a young cat whose principal interests are naps, washbaskets, and skritches. When born, I looked like a cow but was the size of a mouse. (She/her)
http://ko-fi.com/mousecow
A Cat A Day @acataday.bsky.social from the archives of my cats lifes and sometimes guestcats from other countries while traveling, former cats: Gaston and Fantasia (brother and sister), then Clovis and Grisou. Right now Rosie (white, odd eye), Lucy (black and white) and Bruno (white grey)
ΠΠΎΡΡ ΠΎΠ±ΠΎΡΠΎΠΌΠΎΡΡ @tailsandwhiskers.bsky.social ΠΠΎΠΊΡΠΌΠ΅Π½ΡΠΈΡΡΡ Π±ΡΠ΄Π½ΠΈ ΠΊΠΎΡΠ° ΠΠΎΡΠΊΠΎΡ, ΠΊΠΎΡΠΊΠΈ ΠΠΎΡΡΠΈΠ³Π°Π½ ΠΈ ΠΊΠΎΡΠ° Π‘ΠΏΠΎΡΠΊΠ°.
ΠΠΈΡΠ½ΡΠΉ Π°ΠΊΠΊΠ°ΡΠ½Ρ: @nervousenergy.bsky.social
Gryph @lfgryph.com Minnesotan in SC, daughter of Yooper. Sisu. Bi. ADHD. She/her. Writer. Early 40's. Animal shelter worker. TNR. Many cats. :) Links: https://linktr.ee/gryph42 Cat Sanctuary wishlist: https://throne.com/sarahgryph
poorly drawn cats @poorlycatdraw.bsky.social poorly drawing cats since 2016
βοΈ hey@poorlycatdraw.com
https://poorlycatdraw.carrd.co/
Ricky π― @ricky.baby home of the my funny, 10/Gay/He/Him/cupholder enthusiast
Teddy & Charlie @thepastrybrothers.com Two orange cats, living the good life in Jackson Hole, Wyoming with @guillermoesteves.com & @kdbirmingham.bsky.social.
Saffron & Her Majestic Floof @saffronsfloof.bsky.social πββ¬ + ππ»ββοΈ. Daily cat adventures from owner of worldβs cutest meow and floofiest tail. Sister to Spice, aspiring friend to Zeo, and big sibling to mamaβs foster kittens.
Posts are a lilβ bit of everything, with a dose of mamaβs πΈ, responses, humor, & whimsy.
Crits For Cats, Inc. Cat Rescue @crits4cats.org Gaming & Rescue Cats! I stream games and my kittencam to raise $ to support cat rescue & TNR, shelter & foster cats! Registered 501c3 non-profit in Northeastern MD π³οΈββ§οΈ Cat Dad
https://linktr.ee/crits4cats
π΅ππππππππ @felinaria.bsky.social ππππ ππππππ ππππππ! πππ π²ππ ππππππ π πππ π’πππ ππππ πππππ! All posts feature photos of our own cats. πΎ
SΓ³ gatos prΓ³prios! πΎ
π©βπ¨ Created by:
π https://bsky.app/profile/maria-andrade8.bsky.social.
π https://bsky.app/profile/denisevoss.bsky.social
Cat Cosplay @catcosplay.bsky.social Cosplaying Cats! Professional Costumes on Cat Models. Don't try this at home. Other Socials: Search Cat Cosplay anywhere.
Business: catcosplayinc@gmail.com
Logo: @avivor.bsky.social
Holly Brockwell @hollyqueenofspayeds.com Tech, cats, cat-tech & being catty about tech. Basically I'm a tech writer who also runs a cat rescue. Well, I do have a lot of mice.
Biscoito πΊ & Bianca π© @biscoitothekitty.bsky.social The adventures of my cute tabby cat! He's either sleeping or causing chaos
Human: Bianca she/her
Slothy @slothy666.bsky.social Now I am become sleepy, taker of naps
Cat dad to Chadwick and Desperado, collector of trinkets, lover of the old and obscure.
Cat mom is @meobrien1991.bsky.social
Adopt, don't shop
Jude @heyjudehobson.bsky.social π½ Treat Fund: https://ko-fi.com/judehobson
Living my best #FIVCatsClub life. I wear my heart on my chest π€ Found my home thanks to Cats Protection. Founder of #GogurtClub π
Profile pic by https://bsky.app/profile/bumcchi.bsky.social
Vietnam Cat Welfare @vietnamcatwelfare.org Rescuing cats in Vietnam since 2009 and providing a safe shelter for more than 110 precious animals.
We are a UK registered charity (#1165729) based in Hα»i An π»π³
π vietnamcatwelfare.org
ποΈ patreon.com/VietnamCatWelfare
Dougie @dougiethreelegs.bsky.social Three-leggy none-tail boy from the West of Ireland.
https://www.instagram.com/dougiethreelegs?igsh=ZGFkZDF5bGdwZGlx
A nise plase, to enchoy the Musings of Duggy. Only nise vibes plese,, none meen ore hate aloud !!
HI MY NAME POTATOES @misspotoooooooo.bsky.social IM TATERS I LIKE, SPRINGS AND! BUG!
Cat Power @power-eats.bsky.social Power the cat likes to judge your dinner. Read the alt text, it's usually better than the food.
IcheKitties β½ά«βΌ @ichekitties.bsky.social All pics of my rescues/fosters/clients
| Pet Sitting | Animal Rescuer |
| Rehabilitation | Foster | Enrichment |
| WoW nerd | Community Outreach |
| Shelter Diversion | $ichekitties |
ααα’ β’β‘β’ ααα’ β’β‘β’ ααα’ β’β‘β’ ααα’
Hannah the Cat @hannah-bitbit.bsky.social i'm a cat. @dreamingpixels.net is my human (and my alt text author). i'm a 15 year old former feral who loves star trek, sleeping, yelling at my mama for food, and huffing my catnip toys.
#catsofbluesky
CLSmithPhotography @cls180.bsky.social Shelter photographer (all photos are my own), retired laboratory scientist, cat person, bleeding heart liberal. See more photos on IG @clsmithphotography
Papas Place For FIV+ Cats @papasplace.bsky.social Helping some of the most vulnerable cats in need
Support the work we do : https://ko-fi.com/papasplace
Send the cats a gift : https://www.amazon.com/registries/gl/guest-view/1XHX8YZ9LRBFO
Cat Care Network of Central Iowa @catcarenetworkiowa.bsky.social We love cats + people who love cats! We help low-income families keep their cats (provide food, litter, supplies through crisis) + TNR, rescue, foster. 501c3. www.CatCareNetwork.org
Support our work at https://donorbox.org/ccn-help-us-help-cats
Loly & Mel @wardochemist.bsky.social This is my catβs (Lola) account. Sometimes featuring her sister, Mello and her (dog) brother, Goose
The Mess Cats & Charlie @themesscats.bsky.social Cats & dog living together! Mass hysteria! Jaxon, Gracie, & Charlie! Triple trouble! π Joey & Scooter. Looking for new fur-ends!
Rufus π (and Pickles π₯) @scrunklyrufus.bsky.social 2010 (?) - 2025, former outside cat who found his way home
The Good Kraken @thekrakensays.bsky.social Single mom to EDS zebra. Pro snuggler of kittens, reluctantly stuck in the south. Bryn Mawr, TempleU, Harvard.
Social psychology, political/social science research, author, foodie. Posts are cats; replies are π. Go birds! π¦
Layla & Piglet π³οΈβππ³οΈββ§οΈ @laylapiglet.com Hello, Friends! Adopt, donβt shop!
Spay and neuter your pets!
Treats: https://ko-fi.com/laylaandpiglet
Merch: https://www.redbubble.com/people/LaylaPiglet/shop?asc=u
YT: https://youtube.com/@laylapiglet?si=2ieo2I-Hl9Eznvpb
catistory @catistory.bsky.social A whiskered walk through history. (Art) historians based in Amsterdam, sharing stories of cats in history, art, and literature from around the world.
Tom & Nestor @tomness.apeace.cool Two stripey brothers causing mayhem. (Cat dad: @apeace.cool)
RappCatsAdopt @rappcats.bsky.social Little shelter, BIG heart! No cages, no kill. We give our cats LOVE!
Funded entirely by donations & run by our wonderful volunteers.
visit us in scenic Rappahannock County, Virginia, USA
540-987-6050 www.rappcats.org
Milky and Red @milkyred.bsky.social Hi! We are Milky (black, she), and Red (black and white, he). Milky is a super serious cat with manners and Red is a huge fluffster - stands for "fluffy monster"πΉ both are rescues, but Red may be a Norwegian forest mix: part-cat, part-fox, part-racoon ππ¦π¦πΉ
Ginger @gingerthecat.social a once stray tortie looking to spread joy
Adopt!!
Please spay/neuter your pets!
Secrentary of Tortitude π« #plundercats
pfp by @laylapiglet.com
Sydney Vach @sydneyvach.bsky.social she/her
phd student studying planets young enough to be claimed as dependents | eso & unisq, prev harvard cfa
sydvach.github.io
Dr. Victoria Grinberg @vicgrinberg.mastodon.social.ap.brid.gy - professional PhD astrophysicist #XraysAreTheBestRays
- published author & artist
- #ClimateCrisis & Astronomers for Planet Earth
- science communication [β¦]
π bridged from β https://mastodon.social/@vicgrinberg, follow @ap.brid.gy to interact
Stephen King @stephenking.bsky.social Writer
The Astrosky Ecosystem @astrosky.eco We're building new social media tools for astronomers and astronomy enthusiasts online - from feeds to account hosting.
Website: https://astrosky.eco | GitHub: https://github.com/the-astrosky-ecosystem
Account managed by @emily.space
Duncan K Galloway @duncankgalloway.bsky.social Astrophysicist, educator, cyclist, science communicator. Living through a climate emergency (as are we all) on Boon Wurrung/Wurundjeri land/Netherlands. He/him. http://outs1der.github.io
ORCID: 0000-0002-6558-5121
Jason Spyromilio ΞΞ¬ΟΟΞ½ Ξ£ΟΟ
ΟΞΏΞΌΞ―Ξ»ΞΉΞΏΟ @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
ARC Tracker @arc-tracker.bsky.social Part human, part bot, 100% UNOFFICIAL. I track Australian Research Council grant outcomes. Bot checks outcomes announcements each min. DMs open. FAQ: https://tinyurl.com/ARC-Tracker-FAQ
Dr. Emily Gilbert @emdwarf.bsky.social Staff scientist at Caltech/IPAC, working on the NASA Exoplanet Archive, and studying small stars and planets. But youβll mostly find baseball and snark here, with occasional scientific interruptions.
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
πβοΈπ€
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
Dr. Natalie Hinkel @nataliehinkel.bsky.social Planetary astrophysicist. Stars+planets are formed together, so I look at elements in stars and how they connect to planet composition. Architect of the Hypatia Catalog (hypatiacatalog.com, @hypatiacatalog.bsky.social). Prof at LSU, she/her.
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.
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
π³οΈβπ π³οΈββ§οΈ (she/her), β
Website: https://emily.space
GitHub: https://github.com/emilyhunt
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Joe Llama @flagastro.bsky.social Astronomer at Lowell Observatory.
Aurora and eclipse chaser.
Lover of coffee and beer. 
Joe Callingham @astrojoe.bsky.social Dutch-Australian | Astrophysicist | Head of the Square Kilometre Array (SKA) Science Group at ASTRON | Associate Professor at the University of Amsterdam
Percy the Mars Rover @percyrover.bsky.social Proud immigrant, social distancing on Mars, and serving up piping hot cafecito. Parody. Created by @richferro.com
Megan Bedell @megbedell.bsky.social (she/her)
Associate Research Scientist @ Center for Computational Astrophysics, Flatiron Institute
bedell.space
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
Matthieu BΓ©thermin @matbethermin.bsky.social Faculty astronomer at Strasbourg observatory. Star formation in high-z galaxies from sub-galactic scales to large-scale structures. Long distance triathlete when I am not nerding on my laptop. Husband of @karinavoggel.bsky.social.
Jonathan Crass @jcrass.space Instrument Scientist in the Department of Astronomy at The Ohio State University. Build instruments for telescopes I Outreach | British | He/Him π³οΈβπ
Jessica Birky @jessbirky.bsky.social Astrophysics + data science grad at University of Washington
she/her π³οΈβπ
https://jbirky.github.io/
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
Shashank Dholakia @astroshashank.bsky.social Astrophysics PhD at University of Queensland | UC Berkeley '21 | Exoplanets and Stars | @astrosoundbites.bsky.social co-host | Astrophotographer
shashankdholakia.github.io
Erin M. May, PhD @astronomay.bsky.social Staff Astronomer @ a place - Exoplanet Atmospheres. All data is good data.
Plus Knitting, Stickers, Baking, and other crafty things. Toddler mom.
Previously known as @_astronoMay on the other site.
ErinMMay.com
SiderealStickers.Etsy.com
Pia Cortes Zuleta @piacortes.bsky.social Astronoma ππͺπ | Postdoc at the University of St Andrews, UK | PhD in Astrophysics from Aix-Marseille University | Exoplanets, stellar activity, data science, outreach |
piacortes.github.io
Exocast: The Exoplanet Podcast @exocast.bsky.social Exocast is the premiere exoplanet podcast hosted by Hannah Wakeford, Andrew Rushby, and Hugh Osborn. Discussions, interviews, news and exclusives find more at exocast.org
Xavier Bonfils @xavierbonfils.bsky.social CNRS astrophycist at Institute of Planetology and Astrophysics of Grenoble 
Dawn Gelino @dawngelino.bsky.social Manager for NASAβs Exoplanet Exploration Program, AAS VP, NHFP lead, Mom
Former Deputy Director NASA Exoplanet Science Institute