Shin Hanga Daily @shinhangadaily.bsky.social Mostly woodblock prints, mainly from the shin-hanga movement and descendants. Key artists: Kawase Hasui, Hiroshi Yoshida. For more information, https://en.wikipedia.org/wiki/Shin-hanga and https://www.artelino.com/articles/shin_hanga.asp
Whiskers N Wishes Cat Sanctuary @wishesrescue.bsky.social Cat rescue and sanctuary in Tucson, Arizona 
Climate Central @climatecentral.org Researching and reporting the science and impacts of climate change 🌎
Dr. Sean Peters @siprocks.bsky.social Visiting Assistant Professor @ Middlebury College | PRESSURE | Volcanologist 🌋| Planetary geologist 🌍 | Former ALT 🇯🇵| Writer ✍🏾 | Traveler 🧳 | Wannabe Lego enthusiast 🧱
sipeters.com
AZPM @azpm.org Southern Arizona's PBS & NPR Member Station, a service of the University of Arizona
Samantha Moruzzi @spacerocksam.bsky.social Postdoc at UofA LPL | Nerd for all things rocks and space
Christina Shintani @cmshintani.bsky.social Cartographer at Woodwell Climate Research Center | previously National Geographic
www.shintanimaps.com
she/her
Greg Fiske @gfiske.bsky.social Putting science on the map at Woodwell Climate Research Center | Cartographer | Analyst | Senior Research Associate | Fly fisher | located in Woods Hole, MA, USA 
Woodwell Climate Research Center @woodwellclimate.bsky.social Woodwell Climate conducts science for solutions and partners with leaders and communities for just, meaningful impact to address the climate crisis.
ESA Operations @operations.esa.int From Earth orbit to deep space: sharing the excitement of real-time mission operations at the European Space Agency. Home for ESA's teams working on Planetary Defence, Space Weather, Clean Space & Space Debris.
esa.int/Operations
esa.int/Space_Safety
ESA Space Science @science.esa.int Keeping you posted on space science activities from the European Space Agency.
Web: http://www.esa.int/science
Privacy Notice: esa.int/connectwithus
#astronomy #space #science
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.
David Rankin @asteroiddave.bsky.social Comet & Asteroid Hunter, Geology & Paleontology Buff, Photographer, Birder, Storm Chaser, Flood Guru, Atheist.
@nasa-needs-help.bsky.social @nasa-needs-help.bsky.social We are an ad hoc group that has formed on an emergency basis to save NASA from devastating cuts which wouldn't just shrink NASA, but would truly alter it. We are members of the public acting with our personal voice, not representing NASA or our employers.
Arizona Daily Star @tucson.com The Arizona Daily Star is Tucson's main source for local news. We cover the issues that Southern Arizonans care about most. News tip? Share it here http://tucne.ws/1r7q
📧 Newsletters | https://tucson.com/newsletters/
ewan douglas @douglase.bsky.social Professing on space telescopes of all sizes; Tucson, AZ.
Angela Marusiak @planetaryquakes.bsky.social Planetary scientist looking to see what’s shaking in our solar system, currently an Asst. Research Professor at LPL. Thoughts are my own, not my employers 🪐 🚀🌔
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Dr. Sierra Ferguson @saturnsierra.bsky.social Planetary Scientist/ Runner/ Baker/ Climber (she/her)
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Erika Kohler @xtrasolarkohler.bsky.social Planetary scientist. Loves all things hot. Venus is the best planet and I won’t apologize for it. Opinions my own. She/her
@suesmrekar.bsky.social @suesmrekar.bsky.social PI For VERITAS, NASA orbiter to Venus
PLanetary geophysicist
Co-I Blue Ghost LISTER, Artemis V L-MAPS
Democracy Forward @democracyforward.org We use the law to advance a bold, vibrant democracy for all people by defending progress, disrupting extremism, and building for the future. Join us at democracyforward.org
Ilaria Pascucci @pascucci.bsky.social Astrophysicist and Planetary Scientist. Professor at the University of Arizona. Fellow, American Astronomical Society. Outdoor enthusiast with a love for hiking, biking, and dogs.
Ben Sharkey @bsharkey.bsky.social astronomer, archivist at U. Maryland (Small Bodies Node). aspiring killjoy.
Mark SubbaRao @marksubbarao.bsky.social NASA's Scientific Visualization Studio Lead
Data Viz . Climate . Astronomy . Food
I'll try and keep my opinions to myself but when I inevitably slip up please remember that they are my own.
https://marksubbarao.science/
Renew Democracy Initiative @renewdemocracy.bsky.social Defending democracy at home. Combating authoritarianism abroad. Highlighting how they’re connected. Check out Garry Kasparov's new Substack: https://thenextmove.substack.com/p/garry-kasparov-launching-the-next-move
Mallory McMorrow @mallorymcmorrow.bsky.social Michigan State Senate Majority Whip | Notre Dame ☘️ | Ray Wert’s ginger half | Noa's mom
Indivisible Tucson Action Alliance @indivisibletucson.bsky.social We fight together to defeat MAGA, save democracy, and RESIST!
"Public sentiment is everything. With public sentiment, nothing can fail; without it nothing can succeed." - Abraham Lincoln
Capital Weather @capitalweather.com D.C.'s Trusted Weather Team
http://www.capitalweather.com | info@capitalweather.com
Dream Operator @dream-operator.bsky.social We create cute & cozy narrative-driven games.
🧡 Wishlist Tukoni: Forest Keepers! https://s.team/a/2933200
💚 Play the free prologue! https://s.team/a/1419860
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Joseph Rezek @rezekjoe.bsky.social English Prof and Director of American Studies at Boston University. Gay dad and husband. 2024-2025 NEH fellow for “The Racialization of Print,” forthcoming from OIEAHC & UNC Press. https://www.josephrezek.com/
Jeff Balcerski @astroagro.bsky.social Professor of 🚀🛰️🌠 Engineering. Planetary science PhD. Former NASA guy. 🌘🪐
Firefighter, Paramedic, Trombonist. 🚒🚑🎵
Inspired by nature and technology. 🌿💾
ADHD. 🐿️
Taking the road less traveled, and it has made all the difference. 🧭
Dr. Laci Brock 🪐 @stellerarts.com ✨ science meets art
🔭 planetary astro PhD + artist
🎨 space-inspired paintings & sci comm
🪶 bird nerd • gamer • cloud watcher
⬇️ art shop, email list, contact
https://stellerarts.com/collections/minis
Gabe Weible @gabeweible.bsky.social Astronomy & Astrophysics Ph.D. Student at the University of Arizona | High-Contrast Imaging of Exoplanets and Brown Dwarfs 🪐
Dianne Patterson Ph.D. @diannepat.bsky.social University of Arizona:
- RII Neuroimaging Staff Scientist
- Program Coordinator & Instructor for the Neuroimaging Methods Certificate: https://cogsci.arizona.edu/programs/neuroimaging-certificate
- Faculty Lead for OpenClass.ai
- I support DEI
Riding With Robots @ridingrobots.bsky.social Robotic solar system exploration, astrophotography, exasperating earnestness. My day job is impersonating your favorite planets and spacecraft on social media for your favorite government agency. Opinions are my own.
Ballpark Bugler @ballparkbugler.bsky.social A celebration of Trumpet and Bugle playing at ballparks and baseball games featuring cheers and songs from USA, Japan, and elsewhere around the world.
@ballparkbugler on all socials
Firefly Aerospace @firefly-aerospace.bsky.social 
@kvoa.bsky.social @kvoa.bsky.social 
Space Coast Talon @brashtech.bsky.social Born to love 🪐, forced to live on 🌎. Professor of physics, knitter of things, drawer of earnest pictures, planetary astronomer.
Goal: Spiral back into control.
My opinions are my own, and not my employer's.
@hookland.bsky.social @hookland.bsky.social Phoenix Guide to Strange England: #Hookland. Run by David Southwell
#Hauntology Re-wilding #Folklore #FolkHorror #Psychogeography #LandscapePunk Re-enchantment Is Resistance https://www.amazon.co.uk/dp/1068598123
Captain Mark Kelly @captmarkkelly.bsky.social Navy combat veteran and retired NASA astronaut. Husband to @GabbyGiffords.bsky.social. United States Senator for the great state of Arizona.
Jorts (and Jean) @jortsthecat.bsky.social Jorts the cat.
Jean helps me.
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Lori Emerson @loriemerson.net media studies professor | Other Networks: A Radical Technology Sourcebook (Anthology Editions, 2025) | dir. @mediaarchaeology.bsky.social | http://loriemerson.net | Boulder, Colorado | 🇨🇦 🇺🇲 🏃♀️🚴♀️ | 📷 Jenna Maurice
Danny Glavin @meteordannyg.bsky.social Astrobiologist and Senior Scientist at NASA's Goddard Space Flight Center; author of Frozen in Time: Hunting Meteorites in Antarctica for Signs of Life; enjoys spending time with family, memories of surfing in California, golfing, and the Fall in Maryland.
@nepetro.bsky.social @nepetro.bsky.social 
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
Alt USAID/ USAID Forever @altusaid.altgov.info They tried to bury us. They didn't realize we were seeds.
Dr. MM @otherorb.bsky.social We need to have as many different perspectives as possible to understand our universe.
He/Him
My opinions are mine alone. I don't represent any entity or other person.
Anne Virkki @avirkki.bsky.social Finnish planetary scientist at Univ. of Helsinki. Interested in planetary, space, climate and geosciences.
Arizona Astrobiology Center @azastrobiology.bsky.social Astrobiology is an exciting interdisciplinary field about the origins, evolution and distribution of life in the universe. We are based at the University of Arizona in Tucson, AZ. 
Prof. Stefano Nerozzi @nerozzi.it Italian planetary geologist
Geology, geophysics and radar enthusiast
I study ice and rocks on Mars, Earth, and elsewhere
I have way too many hobbies
Dr. Nick Attree @nickattree.eurosky.social Planetary scientist @iaacsic.bsky.social, working on @esa.int Rosetta & @cometinterceptor.bsky.social (Nucleus WG chair). Prev @TU-Braunschweig.de, @LAM, @QMUL, @physicsuol.bsky.social 🇬🇧🇪🇸🇪🇺
https://sites.google.com/view/nickattree
ORCID: 0000-0003-3344-6693
Indujaa Ganesh @iganache.bsky.social Planetary scientist interested in radar geophysics 📡 | Assistant Professor at Georgia Tech| she/her
Emmanuel Marcq @marcqplanets.bsky.social Planetary Atmospheric Scientist (esp. #Venus, sometimes Venus-like #exoplanets). Teaching Physics and Astrophysics at Université de Versailles Saint-Quentin. Easily enthusiastic about many things though! Also on Twitter (for now): @MarcqPlanets
Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Peter James @peterbjames.bsky.social 
Veronica Bray @spacenerdv.bsky.social Planetary science, University of Arizona
Mick Ryan @warinthefuture.bsky.social Strategist, Leader & Author | Retd Army Major General | Senior Fellow in Military Studies @LowyInstitute | @CSIS | Modern & Future war studies | Futura Doctrina substack | #BannedInRussia
WarTranslated (Dmitri) @wartranslated.bsky.social 🇪🇪 Estonian blogger focusing on Russia/Ukraine | 18+ version: https://t.me/wartranslated | Glory to #Ukraine!
The Contrarian @contrariannews.org Unflinching journalism in defense of democracy. https://contrarian.substack.com/
Nova Ukraine @novaukraine.org Since 2014, one of the largest Ukrainian Humanitarian aid organizations.
$112M+ of aid delivered as of Sep 2024 with $76M+ spent on projects.
Join Us:
novaukraine.org
Razom for Ukraine 🇺🇦 @razomforukraine.org Razom supports the principles of the Revolution of Dignity (Maidan) and works towards a secure, prosperous, democratic Ukraine. 🇺🇦
Support Razom ⬇️
https://heylink.me/Razom/
Michael McFaul @mcfaulmike.bsky.social Professor of Political Science, Senior Fellow, Freeman Spogli Institute & Hoover Institution, all at Stanford University. U.S. Ambassador to Russia, 2012-2014.
The Guardian @theguardian.com The need for independent journalism has never been greater. Become a Guardian supporter https://support.theguardian.com
🇺🇸 Guardian US https://bsky.app/profile/us.theguardian.com
🇦🇺 Guardian Australia https://bsky.app/profile/australia.theguardian.com
Kim Steadman @spacegirlkim.bsky.social Aerospace Engineer working at JHU/APL on the Dragonfly Mission. Total geek with a photography habit. The views and thoughts expressed are my own and do not reflect the views of APL.
Newfound Planets @i-find-planets.bsky.social What distant worlds may be like. Or not. An exoplanet bot by @cbquist.
Robert Macfarlane @robgmacfarlane.bsky.social Books: Is A River Alive? (May ‘25), Underland, The Lost Words, The Old Ways etc | Films: River, Mountain, Upstream | Music: The Moon Also Rises, Lost In The Cedar Wood, etc
Nature, climate, people.
Prof at Cambridge.
https://linktr.ee/robmacfarlane
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
Cookie Cat 🇨🇦 @cookiecat2017.bsky.social Cats, news, and chit chat. Cookies are my second language.
JMARS @jmars-gis.bsky.social A planetary GIS providing planning and data analysis tools to mission planners, scientists, students, and the general public.
Mars Space Flight Facility at @seseasu.bsky.social
https://jmars.mars.asu.edu
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Yan Fernandez @yanfernandez.bsky.social Hoopy frood, companion to rabbits, astronomer
Ali Bramson @alibramson.bsky.social Planetary scientist finding ice on Mars with NASA space robots | Professor @ PurdueEAPS | she/her | 👩🔬🚀🪐❄️🌈
Matthew Kirschenbaum @mkirschenbaum.bsky.social Critical tech and literary/cultural AI. Also cats, letterpress printing, and tabletop gaming.
Commonwealth Professor of AI and English at the University of Virginia—
—but speaking only for myself and in my own capacity here.
Rude people are blocked.
The Museum of English Rural Life (MERL) @themerl.bsky.social We explore the history of the English countryside and its people. Chaotic Good.
https://merl.reading.ac.uk/
Shannon Stirone @shannonstirone.bsky.social Writer in nyc. Space nerd. Mars is a Hellhole. Bylines in NYT’s, The Atlantic, Wired, Esquire, Longreads, & others. Anti fascist. Opinions are mine. Climate by day.
signal: shannonstirone.78
https://natureofthings.substack.com/
shannonstirone.com
Dr. Anna Gülcher @planetaryanna.bsky.social Earth & Planetary scientist @ Center for Space and Habitability, Bern 🇨🇭 | Alumni NASA JPL, Caltech, & ETH Zürich | Venus • Earth • exoplanets • Geodynamics | VExAG Steering Committee | #WomeninSTEM💃 | 🇳🇱 🇨🇭 🇺🇸 | she/her
Yaroslava @strategywoman.bsky.social Culture and life in Ukraine during war.
Letters and notes from Kyiv on Patreon:
https://www.patreon.com/c/strategywoman
steven monacelli @stevanzetti.bsky.social special investigative correspondent @texasobserver.org • contributor @coolzonemedia.bsky.social • publisher @proteanmag.com • send tips via Signal: stevanzetti.12
Read & support my work: https://linktr.ee/Stevanzetti
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
Kate from Kharkiv @kateinkharkiv.bsky.social Living in Kharkiv, Ukraine. Contributing to Ukrainian voices online | support me : PayPal: kate.boguslavskaya@gmail.com | http://buymeacoffee.com/kateinkharkiv
NY Times Pitchbot @nytpitchbot.bsky.social I have never felt more politically homeless. Parody. Merch: https://tinyurl.com/msjjmwpt
AZ Attorney General Kris Mayes @azagmayes.bsky.social 27th Attorney General of Arizona 🌵🏜️
The AZ Data Guru @garrettarcher.bsky.social Husband, Dad, Catholic liturgical music sponge. Former elections official. Now data/political analyst @abc15.
Resurgence @resurgencetrust.bsky.social Resurgence & Ecologist magazine has been at the forefront of the environmental and now regenerative movement for almost 60 years. Published by The Resurgence Trust, a small educational, UK charity: www.resurgence.org - championing and celebrating Nature.
Larry R. Nittler 🚀🎹🌖☄️ @larrynittler.bsky.social Hermeochemist, Interstellar Dust Buster, and Cosmic Organist.
Professor @SESEASU
asteroid 5992
Opinions are my own.
pronouns: he/him/his
Alicia Sometimes @aliciasometimes.bsky.social Poet, broadcaster, love astronomy & quantum physics, sci-art, collaborator 
UNITED24 Media @united24media.com 🇺🇦 Firsthand news from the epicenter of global events. Stay informed and support the cause. Donate today: http://u24.gov.ua
🔗 united24media.com
Poppy Northcutt @poppynorthcutt.bsky.social One-time rocket scientist, sometime lawyer, full time women’s right activist
Peter Lewis @peterlewis55.bsky.social Londoner. Lots of varied interests including natural wildlife of all kinds, astronomy, travel, opera, music, culture, sport and entertainment. I share my photos.
Justin Filiberto @planetaryrocks.bsky.social Planetary petrologist studying the Earth, Mars, the Moon, Venus, and Mercury
Protect Democracy @protectdemocracy.org We are a nonpartisan, nonprofit group working to prevent authoritarianism. This account is owned and operated by Protect Democracy United.
Follow us on other platforms ➡️ https://protdem.org/m/stay-connected
Rachel Klima @pyroxena.bsky.social Planetary scientist, dark music lover, probably need some hobbies again some day. Mercury, Moon and Minerals ❤️❤️Opinions are my own and do not represent my employer.
Mira of Kyiv 🇺🇦 @reshetz.bsky.social 24, ukrainian-american
Print FPV drones like money and we’re hyperinflating