Union of Concerned Scientists @ucs.org The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems.
ucs.org
PBS News @pbsnews.org We are home to the PBS News Hour and @washingtonweekpbs.bsky.social.
Subscribe to our newsletter: https://to.pbs.org/47dcMEJ
Support our work: https://bit.ly/3IXO4xW
More: linktr.ee/pbsnews
Global News @globalnews.ca Breaking Canadian news with a fresh perspective on local & international headlines 🚨YT: http://bit.ly/2rGQmtG 🚨 TikTok: https://tiktok.com/@globalnews.ca
Alt EPA @altepa456.bsky.social Not official EPA
We don’t just protect tiny endangered fish, we protect you
Find me on wire: altepa@wire.com
@altfema.bsky.social @altfema.bsky.social Helping people before, during, and after (this democratic) disaster.
#AltGov
Alt Health and Human Services @alt-hhs.altgov.info Promoting health and science and resistance against pseudoscience, disinformation, and fascism.
Alt CDC (they/them) @altcdc.altgov.info Public health experts resisting harmful policies, fighting disinformation, and defending public health from within.
Not official CDC—but close enough for transmission.
Proudly #AltGov
Tips? signal altCDC.99, email altCDCtips@proton.me or DM
ALT Fish and Wildlife Service @altfws.altgov.info Resist! Conservation over corporations.
#ALTgov
This account is NOT affiliated with the U.S. Fish and Wildlife Service and opinions solely belong to the person who manages this page.
FWS employees can reach out via DM to share stories.
Resistance Rangers @resistancerangers.altgov.info The official resistance account of off-duty NPS rangers. Fighting for national parks and park employees! https://www.resistancerangers.org/
https://linktr.ee/resistanceranger?utm_source=linktree_profile_share<sid=8d19b18e-7568-4236-9d00-e6ea9c0c44ae
Hourly Cosmos @hourlycosmos.bsky.social Photo sharing bot for planetary and deep space images.
Run by @kevinmgill.bsky.social
Content providers added with permission.
Scott MacFarlane @macfarlanenews.bsky.social Enterprise News - 365 days a year
https://substack.com/@macfarlanenews
https://www.youtube.com/@ScottMacFarlaneNews
SIGNAL: https://signal.me/#eu/ufqBLFTh_D87knsngxcXcyng7-Qd8DYPvwGB6LhI44SNFazeeQZD2ZPRThTX-g7M
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Travis Koshko @traviskoshko.bsky.social Award-winning chief meteorologist @ CBS19 in Charlottesville, Virginia | Penn State Meteorology alumnus | senior cat rescuer | photographer | aurora enjoyer | opinions are my own. This account is a non-AI / secondary source of information.
National Weather Service @nws.noaa.gov Official Bluesky account for NOAA's National Weather Service.
Marc Elias @marcelias.bsky.social Founder @democracydocket.com. Chair of Elias Law Group. My dog's name is Blue.
Heather Cox Richardson (TDPR) @hcrichardson.bsky.social Historian. Author. Professor. Budding Curmudgeon. I study the contrast between image and reality in America, especially in politics.
Alex Santerne @alexsanterne.bsky.social Astronomer at Aix-Marseille University / France visiting IPAG/Grenoble.
Also delegated city councilor at Gières (38)
Toot a lot about Climate Change and Climate. Boycott planes, travel by train only. Opinions are my own.
Hawaiʻi Pacific Parks Association @hawaiipacificparks.bsky.social HPPA is a nonprofit cooperating association in partnership with the National Park Service in Hawaiʻi & American Samoa. Park store proceeds support interpretation, education and research projects, cultural activities & more.
www.hawaiipacificparks.org
Dr. Judith Hubbard @judithgeology.bsky.social Earthquake scientist; read my earthquake newsletter: earthquakeinsights.substack.com. Visiting Asst Prof @CornellEAS; prev @ EOS_SG, Caltech, Harvard. Mom (x3). Local elected official! I also post pictures of my foster kittens.
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Sean Casten @seancasten.bsky.social U.S. Representative, IL-06. Personal account. Dad. Husband. Trained as an engineer, 16 years as a clean energy CEO, now in middle management. For official stuff see @casten.house.gov
Senator Chris Van Hollen @vanhollen.senate.gov U.S. Senator for Maryland
vanhollen.senate.gov
Senator Patty Murray @murray.senate.gov U.S. Senator, Washington state | Senate Appropriations Vice Chair | Working every day to help people and solve problems
Emily Rice @emilylrice.me Astronomer at CUNY & AMNH, CEO of STARtorialist, HQ for Astronomy on Tap, I guess I’m trying to make science fun?
My shop: shop.STARtorialist.com
Molly Knight @mollyknight.bsky.social Journalist and author. @HoFoCo.org board member.
My newsletter, the Long Game, is about baseball, creativity, and mental health. You can find it here: https://mollyknight.substack.com.
My dog is named Canelo.
Kamala Harris @kamalaharris.com Always fighting for the people.
Wife, Momala, Auntie. She/her.
107 Days, my behind-the-scenes account of the shortest campaign in history, is available now at https://kamalaharris.link/107Days.
Chris Murphy @chrismurphyct.bsky.social U.S. Senator from Connecticut.
Rebecca Solnit @rebeccasolnit.bsky.social Writer of books. Guardian columnist. Newsletter at MeditationsInAnEmergency.com. Board member, Third Act and Oil Change International.
The Latest Kate @thelatestkate.bsky.social Artist, anxious person
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
Heidi Li Feldman @heidilifeldman.mastodon.social.ap.brid.gy Law professor (emeritus), philosopher, progressive. Committed to rule of law and pluralistic democracy. Interests include art, books, history, science, cats […]
🌉 bridged from ⁂ https://mastodon.social/@heidilifeldman, follow @ap.brid.gy to interact
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...😜
Matthew Cortland (they) @matthewcort.land Chronically ill public health JD writing to make sense of the policy hellscape so you don't have to do it alone. Actionable analysis & trustworthy guidance for people the system wasn't built to protect. Free & paid: ShouldntNeed.com
Sr. Fellow DFP. 🏳️⚧️nb
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobamabooks.com
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Maggie @maggarooo.bsky.social I’m a sweet goofy lab mix. I love belly rubs, car rides, and pretty flowers. My best friend is a big squeaky chicken. Also, sometimes my lip gets stuck. **This is an archive of a Twitter account. If you need a smile, take a look!
Tucker @tuckarooo.bsky.social Tucker is a 3 year old Miniature American Shepherd. He is curious, contemplative, mischievous, and playful. Will comfort you if you sneeze. Fluffiest butt in town.
WomanAstro @womanastro.bsky.social 
Robert Reich @rbreich.bsky.social Berkeley professor, former Secretary of Labor. Co-founder of @inequalitymedia.bsky.social and @imcivicaction.bsky.social.
Substack: http://robertreich.substack.com
Buy my new book: https://sites.prh.com/reich
Visit my website: https://rbreich.com/- K The Keeling Curve @keelingcurve.bsky.social Official daily update on atmospheric CO2 levels in the post-400 ppm era from Scripps Institution of Oceanography's iconic Keeling Curve.
Alt USAID/ USAID Forever @altusaid.altgov.info They tried to bury us. They didn't realize we were seeds.
European Space Agency @esa.int Elevating the future of Europe through space.
Please see our Privacy Notice: https://esa.int/connectwithus
Jay Kuo @nycjayjay.bsky.social Chair elect Human Rights Campaign. Author of The Status Kuo. CEO at The Social Edge. Composer of Allegiance on Broadway. Appellate Litigator. New dad.
Arielle Moullet @ariellemoullet.bsky.social 
Dr. Victoria Meadows @exoterraincognita.bsky.social Astrobiologist, no...really! Never met a terrestrial planet I didn't like. Astronomy Professor, Astrobiology Program Director at the University of Washington.
Hannah Wakeford @stellarplanet.bsky.social Exoplanet scientist. Science communicator. Author. Podcaster. Miniature painter. Wife. Cat mum.
National Radio Astronomy Observatory - NSF NRAO @thenrao.bsky.social The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation. #RadioAstronomy
📡 VLA, ALMA, VLBA, GBT, ngVLA
🔗 public.nrao.edu
George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Stephen King @stephenking.bsky.social Writer
The Lincoln Project @lincolnproject.us "You cannot escape the responsibility of tomorrow by evading it today.” – Abraham Lincoln 🏴☠️ | Home of #TheBreakdown and LP Podcast
Jim Acosta @jimacosta.bsky.social Independent Journalist. Host of “The Jim Acosta Show” on Substack, YouTube and Apple Podcasts: Former Chief WH Correspondent. Author. https://substack.com/@jimacosta?r=lpd3z&utm_medium=ios&utm_source=profile Inquiries: go to jimacosta.com
15/10 Foundation @15outof10.org @weratedogs.com | making shelter dogs with medical and behavioral needs more adoptable ❤️🩹 https://links.15outof10.org
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Andy Rivkin @asrivkin.bsky.social Planetary Astronomer on #TeamAsteroid; Gedankenband member/guitarist; “Surprisingly nonchalant” according to Wired. He/him הנני 🌻
Work Output: https://scholar.google.com/citations?user=aGVsk3IAAAAJ
Play output: https://andyrivkin.bandcamp.com
Mike Sowden @mikeachim.bsky.social Writer (on science, travel & curiosity), Yorkshireman, tedious enthusiast, professional overthinker, Megathreader. Now: Scotland.
Writes Everything Is Amazing: https://everythingisamazing.substack.com/
Dr. Mindy Townsend 🌻💫 @vogonpoetry.bsky.social myopic, literally and figuratively. recovering lawyer. astronomer. rock chalk. views/opinions are my own. she/her
https://linktr.ee/mindytownsend
Dr. Emily Moravec 📡 @dreamoravec.bsky.social Assistant Scientist at Green Bank Observatory, radio astronomer, studies radio galaxies and galaxy clusters, paragliding pilot, triathlete, traveler.
https://www.emilymoravec.com
Seven Machina Rasmussen @toomanyspectra.bsky.social humanoid astrobiologist 🌌 SFF author (largely oxygen by mass) 📚 transhumanist 🤖 star trek autism character 🖖 she/they 🏳️🌈 instructor @ Columbia ✒️ CLOUDY WITH A CHANCE OF STARSHIPS now availabile wherever books are sold 👀
sevenrasmussen.com
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
Kevin M. Gill @kevinmgill.bsky.social Engineer, data wrangler, and martian photographer at NASA-JPL, Los Angeles. Curiosity Rover ECAM PUL. Saturn native, commutes to Jupiter. USMC vet. Opinions are mine https://apoapsys.com
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
Steward Observatory, University of Arizona @stewardobservatory.bsky.social Official UA Astronomy and Steward Observatory account. Pioneers of JWST MIRI and NIRCam, Event Horizon Telescope, and GMT, and home to the Richard F. Carris Mirror Lab, Mt Lemmon Sky Center, and one of the world’s top astronomy programs. astro.arizona.edu
UArizona Lunar and Planetary Laboratory @uarizonalpl.bsky.social The Lunar and Planetary Laboratory at the University of Arizona in Tucson.
Thomas Schulzki @schulzki.bsky.social 🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦🇺🇦
Ikke alle menn / Not all men
Gretten replygubbe
Wil Wheaton ❌👑 @wilwheaton.net New York Times bestselling author and audiobook narrator.
Host of It's Storytime with Wil Wheaton
Retired Starfleet officer.
Husband, father, Traveler.
Nazi punks fuck off.
Astronomy Picture of the Day 🪐 @apod.shinyakato.dev Official Mirroring APOD BOT for Bluesky.
https://apod.nasa.gov/apod/lib/about_apod.html
Src:
https://apod.nasa.gov/apod/astropix.html
http://star.ucl.ac.uk/~apod/apod/astropix.html
Maintained by @shinyakato.dev
American Astronomical Society (AAS) @aas.org The mission of the American Astronomical Society is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community.
aas.org
Jen Golbeck @jengolbeck.bsky.social Computer scientist, psychologist, journalist. Professor at UMD
On the dystopia beat- AI, social media, extremism, radicalization, privacy, information warfare, and bad stuff people do on the internet
she/her
Jayne Birkby @jaynebirkby.bsky.social Professor of Astrophysics at the University of Oxford. I study the atmospheres of other worlds beyond the Solar system.
Sarah's
Scribbles [Unofficial] @sarahcandersen.com.web.brid.gy 🌉 bridged from 🌐 https://sarahcandersen.com/: https://fed.brid.gy/web/sarahcandersen.com
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.
Teri Kanefield @terikanefield.bsky.social Former appellate defender and UC Berkeley Law graduate. I’ve written more than a dozen books and published more than 50 pieces in major outlets including The Washington Post.
Website: www.terikanefield.com
Matthew Kenworthy @mattkenworthy.bsky.social Professor of astronomy working at Leiden Observatory in the Netherlands on the direct imaging of extrasolar planets and transits of giant ring systems || Opinions my own || Will tell Dad jokes for cash. https://kenworthy.space/
Johanna Teske @johannateske.bsky.social She/her/hers. Astronomer, runner, feminist, vegan, Nats fan, Peloton fan.
Sarah @sjs917.bsky.social Ex-astronomer turned data scientist, living in Berlin. Feminist, hobby hopper, baker, cyclist, and video/board gamer. Bi, polyam, autistic. She/her.
Mika McKinnon @mikamckinnon.bsky.social Field geophysicist, disaster researcher, scifi science consultant, science writer, public speaker, irrepressibly curious. Occasional rock-licker, frequent devourer of board books. 🇨🇦🇺🇸
Wolf Conservation Center 🐺 @nywolforg.bsky.social The Wolf Conservation Center (WCC) is a non-profit organization that promotes wolf conservation by teaching about wolves and their role in our world.
nywolf.org
Kelly Lepo @kellylepo.bsky.social Astronomer | Science communicator | Adult Lisa Simpson
Freelance writer and editor. Former Education and Outreach Scientist at the Space Telescope Science Institute (@stsci.edu) supporting JWST.
Also on Mastodon: @KellyLepo@scicomm.xyz
Lee Billings @leebillings.bsky.social CHNOPS in ferruginous saline. Multicellular aerobic chemoheterotroph; symbiont of photosynthetic autotrophs. Descendant of stardust; aspiring good ancestor. Senior Editor, Scientific American. Signal: @lee_billings.81
Jon Stewart @theotherjonstewart.bsky.social ex-teacher, europhile, wine enthusiast and coffee obsessive
Taylor Bell @taylorbell275.bsky.social ESA/AURA Astronomer at STScI, working on exoplanet atmospheric characterization, MIRI, and time-series observations. Posts are my own and do not necessarily reflect the views of STScI, ESA, or AURA.
Passionate about hiking, camping, and canoeing.
He/him
SETI Institute @setiinstitute.bsky.social Our mission is to lead humanity’s quest to understand the origins and prevalence of life and intelligence in the universe and share that knowledge.
Jacquelyn Gill @jacquelyngill.bsky.social Climate, extinction, and biodiversity scientist at the University of Maine researching Earth’s past for a better future. Writing and podcasting for the planet. Chaotic good professor. She/her.
Capital Weather @capitalweather.com D.C.'s Trusted Weather Team
http://www.capitalweather.com | info@capitalweather.com
Nancy Lee Grahn @nancyleegrahn.bsky.social 2024 has deeply disappointed my belief in those that I thought would never disappoint me. I intend to make that make me that much more. 
Bear and Gizmo @booplefloof.bsky.social Welp. We’re here now too 
Danny Milisavljevic @danmil.bsky.social Associate Professor of Physics and Astronomy at Purdue University. Excitable Explorer of the Universe. Opinions are my own.
Sarah Kendrew @sarahkendrew.bsky.social European Space Agency Astronomer at the Space Telescope Science Institute in Baltimore, MD. Team Lead for the MIRI instrument on JWST. Runner, dog mum, cyclist. 🇬🇧🇧🇪 Opinions my own. 
PHD Comics @phdcomics.com Comics by Jorge Cham: Oliver's Great Big Universe, Elinor Wonders Why, ScienceStuff and PHD Comics
Julie Skinner @jnskinner.bsky.social 
Bruce Macintosh @bmacastro.bsky.social Astronomer working on imaging extrasolar planets, instrumentation, and science policy. Spare time: hiking with a golden retriever, and not playing enough boardgames.
Director, University of California Observatories, but opinions are my own. He/him
Heidi B. Hammel @hbhammel.bsky.social planetary astronomer | nearly famous | jwst interdisciplinary scientist | looks just like an ordinary mom | oboist (thoughts expressed here are my own)
Mark Marley @markmarley.bsky.social Personal account. Substellar science since the 80s.
Sarah Hörst @planetdr.bsky.social Professor of planetary science at Johns Hopkins. Titan’s biggest fan. Pomeranian wrangler. Runner. Love many, trust few, always paddle your own canoe. She/her. sarahhorst.com
Planetdr.26 on signal- K @kellecruz.bsky.social @kellecruz.bsky.social
J. Michael Straczynski @straczynski.bsky.social Writer/producer. Babylon 5, Sense8, Changeling, Thor. Amazing Spider-Man, Captain America. Together We Will Go, The Glass Box. DO NOT POST STORY IDEAS.
Scripts, behind the scenes posts and a lot of conversation at https://www.patreon.com/thejoepage
Laura Lopez @ohdearz.bsky.social Professor of astronomy 🔭 at Ohio State. Co-chair of @aascsma.bsky.social. Alum of UCSC and MIT. She/her 🇲🇽
Brett Morris @brettmorr.is Astronomer, software engineer.
Supporting space telescopes, open science, and data access in astrophysics.
Thrilled and haunted by dots on stars.
http://brettmorr.is/
Posts my own, not my employer's.
Peter Gao @planetarygao.bsky.social Staff Scientist @ Carnegie EPL. Planetary and exoplanet atmospheres. He/Him/His. Black Lives Matter. Trekkie. Opinions are my own.