Josef Aschbacher @josefaschbacher.esa.int The Director General of the European Space Agency
Mayor Zohran Kwame Mamdani @mayor.nyc.gov Fighting every day to deliver a city that working New Yorkers can actually afford. Mayor of New York City.
John C. Baez @johncarlosbaez.bsky.social Mathematical physicist
Adam Chalmers @adamchalmers.com Texan (prev Australian). Father (prev gamer). Pynchon fan (prev illiterate).
Building a new programming language for CAD at zoo.dev. Built a lot of Cloudflare Tunnel. I run a meetup austinsystems.org and love reading sci-fi, history and Jewish stuff.
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
@scanstone.bsky.social @scanstone.bsky.social 
Don Moynihan @donmoyn.bsky.social Policy Professor, Ford School, University of Michigan.
Irish immigrant. Administrative burdens guy.
Free newsletter, Can We Still Govern?: https://donmoynihan.substack.com
Anna O. Law @unlawfulentries.bsky.social Kurz Chair in Constitutional Rights, CUNY Brooklyn College. Political scientist. Constitutional law & development, US migration(s) & citizenship law, legal history. ORDER my book: https://tinyurl.com/2sjcsupd Home cook, foodie.
Carl Sagan Institute @carlsaganinstitute.bsky.social Interdisciplinary research team at Cornell University, following Carl Sagan's legacy by building the tools to find life in the Universe.
https://carlsaganinstitute.cornell.edu/
Stuart Atkinson @stuartatkinson.bsky.social Amateur astronomer and author of science fiction and science reference books, including "A Cat's Guide to The Night Sky". Fascinated by Mars since knee high to R2D2 and owned by a very demanding rescue cat called Jess. 
robert j bennett, ceo, results omega @robertjbennett.bsky.social the tallest child in the world!! https://www.robertjacksonbennett.com/the-french-drain-i-dug-back-in-2019
Dark Reading @darkreading.bsky.social One of the most widely read and trusted cybersecurity news sites, providing IT security professionals informed insights into the latest news and trends.
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Rodger Sherman @rodger.bsky.social I write a newsletter about sports! It's called Sports! Link in pinned post
AAS Public Policy @policy.aas.org The American Astronomical Society aims to enhance and share humanity's scientific understanding of the universe, in part through work as advocates for science.
Council on Strategic Risks @councilonstrategicrisks.org CSR is dedicated to anticipating, analyzing and addressing core systemic risks to modern security. We work on climate and ecological security, biological and nuclear security, and track emerging risks as new technologies disrupt across all domains.
NASAWATCH @nasawatch.bsky.social NASAWATCH.com - Unofficial Space News Since 1996
Max Berger @maxberger.bsky.social Co-Founder Momentum Training Institute, IfNotNow, More Perfect Union. Formerly Warren, Justice Democrats, etc. Tottenham until they kill me.
Allison 🧬⚾️ @petitephd.bsky.social Science policy professional. Geneticist. I write about the Mets for @amazinavenue.bsky.social and podcast about them on @apodoftheirown.bsky.social. Women's soccer enjoyer (USWNT & Washington Spirit). Opinions Mine. She/Her
BNO News @bnonews.com Breaking news and developing stories from the U.S. and around the world
Roger Cormier @themetsnewsletter.com https://themetsnewsletter.com
Bylines: Baseball Prospectus, Fangraphs, Willets Pen
Book: Meditations in Panic City
Signal: metsnewsletter.27- S SpacePolicyOnline @spacepolicyonline.bsky.social SpacePolicyOnline.com is your first stop for news, information and analysis about civil, commercial, and national security space programs. Marcia Smith is the editor.
Roman for Scientists @nancyromansci.bsky.social NancyRomanSci is managed by the Roman Science Centers and provides researchers with the most up-to-date information related to doing science with NASA's Nancy Grace Roman Space Telescope
National Security Archive @nsarchive.bsky.social An independent research institution that advocates for open government and uses FOIA to collect and publish declassified documents - https://nsarchive.gwu.edu - instagram.com/natsecarchive - tiktok.com/@natsecarchive
MLB Daily News @insidemlbnews.bsky.social Keeping you “inside” the latest MLB news.
Reposting the latest posts from Underdog and other notable MLB news sources.
@insidenflnews.bsky.social
@insidenbanews.bsky.social
Joel Sherman @joelsherman.bsky.social New York Post baseball columnist. MLB Network Insider. Podcast: The Show with Joel Sherman and Jon Heyman. Webcast: Pinstripe Post. Documentary: Bronx Zoo '90: Crime, Chaos, and Baseball. Book: Birth of a Dynasty
HiRISE Beautiful Mars (NASA) @uahirise.bsky.social Images from the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (NASA). We are based out of the Lunar and Planetary Laboratory at the University of Arizona in Tucson, AZ. https://uahirise.org
Ryan White @astroryan.bsky.social Astrophysics student at Macquarie University, artist, bread obsessed. Studying cool (but actually quite hot) stars 🌟 @astrobites.bsky.social author 🪐 i have art too! @ryanwhiteartist.bsky.social 🖌️
ryanwhite1.github.io
(he/him)
SpaceAustralia.com @spaceaustralia.com Connecting and sharing news, people, projects, voices and science from Australia and NZ’s space communities. 📸 CSIRO.
www.spaceaustralia.com 
Daniel Pomarède @pomarede.bsky.social Cosmographer at Univ. Paris-Saclay | mapping the Universe | co-discoverer of Laniakea (our home supercluster of galaxies), Hoʻoleilana, and some other (very) large scale structures
📖 https://orcid.org/0000-0003-2038-0488
▶️ https://vimeo.com/pomarede
404 Media @404media.co it's a website (and a podcast, and a newsletter) about humans and technology, made by four journalists you might already know. like and subscribe: 404media.co
CERN @cern.bsky.social CERN is the European laboratory for particle physics, home to the Large Hadron Collider.
linktr.ee/CERN_official
Indivisible ❌👑 @indivisible.org We’re organizing against this fascist regime the only way that actually works — with on-the-ground, volunteer-led, communities of people power: https://linktr.ee/indivisibleteam
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
Benjamin Pope @benjaminpope.bsky.social Australian astronomer
he/him
Sydney/Gadi
Simeon Schmauß @stim3on.bsky.social dabbling with photogrammetry, astrophotography, GIS and more...
https://sschmaus.github.io/links/
Longreads @longreads.com Sharing and publishing the best longform stories at longreads.com since 2009. Sister site of @atavist.com.
Become a member: https://longreads.com/join/
Submit to us: https://longreads.com/submissions
Britt Ghiroli @brittghiroli.bsky.social MLB reporter for The Athletic. SNY contributor. On IG: @brittghiroli
Read my stories: https://www.nytimes.com/athletic/author/brittany-ghiroli/
Jake Buzhardt @jbuzhar.bsky.social Interested in modelling and control of complex dynamical systems, fluid dynamics, reduced order modelling, and SciML
Postdoc, UW Madison; PhD - Mechanical Engineering, Clemson University;
jbuzhar.github.io
IEMBOT NHC @nhc.weather.im National Hurricane Center products syndicated by IEMBot. @akrherz.bsky.social is my father.
Sascha Trippe 🛰️ 사샤 트리페 @saschatrippe.bsky.social ⭐️ Astronomer – MSc, PhD, Professor (교수)
⭐️ Seoul National University / 서울대학교
⭐️ Black holes, AGN, radio astronomy, VLBI
⭐️ Born at 332 ppm CO₂
⭐️ Time zone: UT+9
⭐️ Trigger warning: math, physics, irony
⭐️ Signature: (+,-,-,-)
Well There's Your Problem Podcast @wtyppod.bsky.social podcast about engineering going not good with @donoteat.bsky.social and @liamfromwtyp.bsky.social and @postoctobrist.bsky.social
https://www.youtube.com/channel/UCPxHg4192hLDpTI2w7F9rPg
Arseny Khakhalin @khakhalin.bsky.social Data Scientist in Berlin
Head of Automation in incycling.ai
Former Bard College prof
For my after-work alter-ego, see @elstersen.bsky.social
Support Ukraine! 🇺🇦
Michael Lopez @statsbylopez.bsky.social 
Matt @mattreyers.bsky.social 
The Associated Press @apnews.com Advancing the power of facts, globally 🌎
Tori Herridge @toriherridge.bsky.social 🏛Senior Lecturer, University of Sheffield 🎓PhD Evolutionary Biology🏝Islands 🐘Elephants🦣Mammoths🦷Teeth ⚒️1/4 of TrowelBlazers 📰EiC Open Quaternary 🎥🎙Presenter. Expcet typos.
Collin Whitchurch @cowhitchurch.bsky.social Chicago-based. Former editor at Baseball Prospectus. I write about movies I watch at wannawatch.substack.com.
Gautham Rao (pronounced: Knicks in 5) @gauthamrao.bsky.social Historian. #LFGM #LFC NYM-G-K-I. my opinions. he/him/his. Author of White Power: Policing American Slavery. And other stuff. Big Ron enthusiast.
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.
Jason Koebler @jasonkoebler.bsky.social Journalist @404Media.co
Signal: jason.404 // email: jason@404media.co
Dr. Casey Fiesler @cfiesler.bsky.social information science professor (tech ethics + internet stuff)
kind of a content creator (elsewhere also @professorcasey)
though not influencing anyone to do anything except maybe learn things
she/her
more: casey.prof
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Vincent Ledvina @vincentledvina.bsky.social 📷”The Aurora Guy”
🌌Space Physics Ph.D. student
📍North Pole, Alaska
🫂Participatory science, science comm.
🌀 Professional aurora chaser
👨💻Views my own
Rocket Lab @rocketlabcorp.com Official account for Rocket Lab, the end-to-end space company. We build rockets and spacecraft that open access to space to improve life on Earth.
Simone Conradi @sconradi.bsky.social Theoretical Physics Ph.D., Computer Science Teacher. Author of “Intelligenza Artificiale” Zanichelli 2022.
I draw using mathematics and Python, no generative AI.
https://profconradi.com
https://x.com/S_Conradi
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
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 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.
Unofficial BBCNews (World) Bot @bbcnews-world-rss.bsky.social An unofficial bot of BBC News (World).
RSS: https://feeds.bbci.co.uk/news/world/rss.xml
code: https://gitlab.com/tmaehara/bluesky-newsbots
maintainer:
@tmaehara.bsky.social
Michael Wong @miquai.bsky.social Planetary scientist by day 🪐 podcaster by night 🎙 photographer at all times 📷 philosopher in my dreams 💭 https://miquai.myportfolio.com/
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.
Kevin Castro, MA @kevincastror.bsky.social aspiring historian of science and technology, interested in aviation, aerospace, and space exploration technologies; he/him
Hamilton Nolan @hamiltonnolan.bsky.social Read me: HamiltonNolan.com
My book: https://www.hachettebookgroup.com/titles/hamilton-nolan/the-hammer/9780306830921/
Email: Hamilton.Nolan@gmail.com
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.
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Anna Hughes 🍁 @annaghughes.bsky.social 🌊 marine conservation 🪸
🇨🇦 BC mountains and ocean dweller 🥾🏄♀️🏂
ja yritän joskus puhua suomea.
dell cameron @dell.bsky.social Sr. writer @wired.com:
Surveillance & coptech
Signal: dell.3030
Chanda Prescod-Weinstein 🌌 @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. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Marc Lamberts @lambertsmarc.bsky.social Historian | Football Data Scientist | Scout/analyst | UEFA + CAF license | 🇳🇱🇹🇿🏴
MLB Trade Rumors @mlbtraderumors.bsky.social Official Bluesky account for MLBTradeRumors.com.
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
SE Gyges @segyges.bsky.social Como todos los hombres de Babilonia, he sido procónsul; como todos, esclavo; también he conocido la omnipotencia, el oprobio, las cárceles.
very sane ai newsletter: verysane.ai
all writing: https://segyges.github.io/
also @antiantiai.bsky.social
Roman Telescope 🔴 Gallery @roman-telescope.bsky.social Regular posts related to the Nancy Grace Roman Space Telescope.
This account is not associated with NASA. Posts are sourced from science.nasa.gov/mission/roman-space-telescope and www.flickr.com/photos/nasaroman
Managed by 🔴 @redshift.pics
James Tuttle Keane @jtuttlekeane.bsky.social planetary scientist 🪐 science illustrator 🎨 trekkie 🖖 dog dad 🐶 Pasadena 🌹 views are my own 🏳️🌈 he/him
Dan Garisto @dangaristo.bsky.social science journalist | good physics, bad physics, and sometimes ugly physics
Signal: dgaristo.72
Email: digaristo@gmail.com
sarah jeong @sarahjeong.bsky.social journalist and lawyer based in Portland, OR.
The Planetary Society @planetarysociety.bsky.social A space advocacy nonprofit founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, now led by Bill Nye.
Find your place in space.
Become a member today: https://www.planetary.org/
Matt Trueblood @matrueblood.bsky.social Twins Daily • Brewer Fanatic • North Side Baseball • Baseball Prospectus • North Twin Cities Metro • He/Him
Jarrett Seidler @seidler.bsky.social senior writer @baseballprospectus.com, longtime crank, social circle online circle friend of the show, here more now
David Walters @hiddenasbestos.bsky.social Working solo on too many projects!
(he/him) #NoAI
Robert Smith @bondhack.ft.com Financial Investigations Editor at the Financial Times.
Have a tip? Email: robert.smith@ft.com / robert.smith.ft@proton.me | Signal: robert_smith_ft.55
Peter Coles 🏳️🌈 🏳️⚧️ 🇮🇪 @telescoper.bsky.social Theoretical astrophysicist specializing in the Universe and all that surrounds it. Based in Ireland. Personal account. Call me old-fashioned but I don't like fascists. He/him/his.
Blog: telescoper.blog
Andrey Kravtsov @grumpy1.bsky.social 
The Open Journal of Astrophysics @ojastro.bsky.social A peer-reviewed Diamond Open-Access Astrophysics journal using an arXiv overlay. This community-run service is provided entirely free for authors and readers.
https://astro.theoj.org/- J Jorryt Matthee @jorryt.bsky.social Extragalactic astrophysicist. Assistant Prof @ IST Austria - PI of ERC StG-2022 AGENTS. PhD Leiden 2018, Zwicky fellow @ ETH Zurich,2018-2023.
Ben K. @benjaminkabak.com Lawyer.
Transit (@2avesag.as), baseball, politics, Yogi photos. Be loud for America.
Karen Lloyd @karenlloyd.bsky.social Subsurface microbiologist/biogeochemist, runner, laugher, wife, parent, TED speaker, Wrigley Prof. at U. Southern California, she/her, got a book coming out in May 2025 called INTRAterrestrials: Discovering the Strangest Life on Earth
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
Mike Duncan @mikeduncan.bsky.social History podcaster/author. Revolutions + The History of Rome
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at WashU • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • eeps.washu.edu/people/paul-byrne • he/him
ℳatt @matttomic.bsky.social Uncool adult. From the other site.
📍Toronto
Kat Abughazaleh @katmabu.bsky.social Former congressional candidate and journalist trying to change politics for good :) | www.kapow.works/
Communications Biology @commsbio.nature.com An open-access @natureportfolio.bsky.social journal publishing high quality primary research, reviews and commentary in all areas of the biological sciences since 2018.
https://www.nature.com/commsbio/
Communications Chemistry @commschem.nature.com An open access @NaturePortfolio journal publishing high-quality primary research articles, reviews and commentary in all areas of the chemical sciences.
nature.com/commschem/
Communications Earth & Environment @commsearth.nature.com An open access @natureportfolio.nature.com journal publishing high quality primary research, reviews, and commentary in Earth, environmental, and planetary science.
nature.com/commsenv/
Communications Engineering @commseng.nature.com The multidisciplinary engineering journal from the Nature Portfolio. Fully open access: https://www.nature.com/commseng/