Rachel Maddow @maddow.bsky.social Mondays at 9pmET on MS NOW
MaddowBlog.com
SluggoDoug @sluggodoug.bsky.social The Slug Monstrosity! KROQ (M-F 11a-2p) SiriusXM's 1st Wave & Lithium; Alt 103/7 DFW; The 3/4 Human Podcast w/ Kevin Ryder & Kat (Patreon) & JACK.FM. Former bag boy
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)
Angela Collier @acollierastro.bsky.social Theoretical Physicist.
(She/her/hers)
From Eastern KY.
Rebecca Watson @skepchick.org is this the one that wins
Prof Peter Hotez MD PhD DSc(hon) @peterhotezmdphd.bsky.social Texas Medical Center (TMC) Pediatrics Professor-Vaccine Scientist-Author; Member, Philosophical Society of Texas, Texas Academy of Medicine Engineering Science Technology, National Academy of Medicine, American Academy of Arts and Sciences
Astronomy and Beer @astronomyandbeer.bsky.social Im just your plain vanilla astrophotographer and amateur astronomer. I take pictures of the night sky and talk about beer. I am an advocate for dark skies and the reduction of light pollution. I am a civil engineer by profession and politically neutral.
Genetically Modified Skeptic @gmskeptic.bsky.social Drew | Religious pluralist, atheist/agnostic, wannabe educator and occasional polemicist who makes YouTube videos.
Chris Schaller @hicommander.bsky.social Software Developer, Planetary Image Research Lab, Lunar and Planetary Lab, University of Arizona - MRO/HiRISE • TGO/CaSSIS • Europa Clipper/EIS - he/him/his.
@guymac.bsky.social @guymac.bsky.social 
GOFlaherty @goflaherty.bsky.social 🛰️ Space nerd🚀
Walt Watson Astrophotography @waltwatsonastro.bsky.social Amateur astrophotographer enjoying the hobby on Cape Cod. All photos were taken by me in my wife's garden unless otherwise noted. waltwatsonastro.com
MN Girl in an AZ World 🦋💙🌵 @mngirlinazworld.bsky.social 🩺RN, MSN and senior software analyst|🐈Loyal Cat Servant|Twitter refugee|🤿Scuba Girl🐬|Bibliophile 📚|Dissectologist🧩|Fluent in snarcasm|Abortion is healthcare and healthcare is a human right!|GenX|Kindness for the win!
#SKOL
Eric Swalwell @ericswalwell.bsky.social Husband | Dad to Nelson, Cricket & Hank | Congressman |@HouseJudiciary @HomelandDems | social media policy:bit.ly/3gxdzVm | #EndGunViolence
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.
Veronica Bray @spacenerdv.bsky.social Planetary science, University of Arizona
Senator Amy Klobuchar @klobuchar.senate.gov Senior U.S. Senator from MN | Snow enthusiast ❄️
Craig D. Mitchell @goingape.bsky.social 
The Dead Milkmen @deadmilkmen.bsky.social Philadelphia punk rock since 1983.
Will Sergeant @willsergeant.com I do music art and books, you got a problem with that?
Ian McCulloch @ianmcculloch.info Official home of @bunnymen.com lead singer and solo artist Ian McCulloch.
https://linktr.ee/bunnymen
Echo & The Bunnymen @bunnymen.com Official account Echo & The Bunnymen.
✇ 🎤 Order the new album https://Bunnymen.lnk.to/ApplesForIsaacFA
🎤 @ianmcculloch.info
🎸 @willsergeant.com
🛒 https://officialbunnymenmerchandise.com/
✉️ info@bunnymen.com
Phil Plait @philplait.bsky.social Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com
I'm self-employed so my opinions do in fact represent my company's.
@richardblade.bsky.social @richardblade.bsky.social 
JoeP @joep50.bsky.social 
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.
Richard Leis @richardleis.com Writing speculative and horror poetry and fiction while working on an active Mars mission.
"Curious Cat" in WEIRD FICTION QUARTERLY: ARTIFICIAL INTELLIGENCE.
"La fantasmas en Su Boca" nominated for the 2026 Rhysling Award.
richardleis.com
Trevor Jones @astrobackyard.bsky.social Owner/Writer for https://astrobackyard.com
Nataniel’s Astro Road Trips @natanielsart.bsky.social Southwest astrophotographer.
Reconnecting people with nature & night sky🌌✨
📷 16 auroras since April 2023 at ~36°N 🤩
www.nataniels.com - Prints & 2026 astroplanner
https://www.instagram.com/natanielsart
https://youtube.com/@natanielsart?si=-3tfScm6SgXdGqi6
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
Paul Krugman @pkrugman.bsky.social Ex NY Times, now author of Substack Paul Krugman. Nobel laureate and, according to Donald Trump, "Deranged BUM". Also Research Professor at the City University of New York Graduate Center and senior scholar at the GC-CUNY Stone Center.
Last Week Tonight with John Oliver UPDATE @lastweektonight1.bsky.social / video / info / resources /
Last Week Tonight with John Oliver
~ unaffiliated
Elizabeth Warren @elizabeth-warren.bsky.social U.S. Senator, former teacher. Wife, mom (Amelia, Alex, Bailey, CFPB), grandmother, and Okie. She/her. Official campaign account.
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
Ben Stiller @benstiller.redhour.com Artist whose mediums include film, tv, and soda. www.StillersSoda.com
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
Mary Gillis @marygillis.bsky.social Still in that awkward pre-ghost phase
writer/editor at The Beaverton
she/her | Vancouver B.C.
Articles: https://www.thebeaverton.com/author/mary-gillis/
If you wanna criticize me, pay here first: https://ko-fi.com/marygillis
John Scalzi @scalzi.com I enjoy pie.
Social Media FAQ: https://whatever.scalzi.com/2025/04/16/the-official-john-scalzi-social-media-faq/
LeVar Burton @levarburton.bsky.social Kunta, Geordi, Reading Rainbow guy. Flies twice as high… #bydhttmwfi
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
Carolyn Porco @carolynporco.bsky.social Voyager & Cassini! AAS Carl Sagan Medal 2010. Asteroid Porco 7231. Inaugural NatGeo Eliza Scidmore Award. Living my best life.
If you like what you see here, signup for my newsletter on Substack!
https://carolynporco.substack.com/
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...😜
Andrew Weissmann @weissmann.substack.com My new book Liar’s Kingdom can be ordered here: https://linktr.ee/LiarsKingdomBook; NYU Law; MSNOW legal analyst & podcast cohost "Main Justice »;
Substack "Behind The Headlines" https://weissmann.substack.com
Offering legal analysis & opinion
Mary L Trump @maryltrump.bsky.social Mom. Wife. Author. Defender of democracy. marytrump.org
Congresswoman Jasmine Crockett @crockett.house.gov Former public defender, now U.S. Congresswoman, proudly serving the good people of Texas’ 30th Congressional District. ✊🏾 
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/
Ron Filipkowski @ronfilipkowski.bsky.social Editor in Chief, MeidasNews. Former Fed & State Prosecutor, Marine, Attorney. Switched parties from R to D in 2020. MeidasPlus.com/subscribe
MeidasTouch @meidastouch.com The fastest growing independent news network in the world. We cover breaking news, politics, law and more. We are unapologetically pro-democracy.
Rep. Alexandria Ocasio-Cortez @ocasio-cortez.house.gov This account is maintained by federal staff to share services and legislation relevant to constituents of NY-14.
Patton Oswalt @pattonoswalt.bsky.social Writing and yelling. 
Angry @angrystaffer.bsky.social Not a WH Staffer | Politics, NatSec, and Snark - Your Mileage May Vary | Subscribe to my Patreon newsletter for free: https://www.patreon.com/AWHSBlog |
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
George Takei @georgetakei.bsky.social Husband, Actor, Activist, Uncle George to the Internet 🖖
Prof Richard Betts @richardabetts.bsky.social Climate scientist, University of Exeter & Met Office. Expert Adviser to Adaptation Committee of the Climate Change Committee. Lead author IPCC AR4, AR5, AR6 & AR7. Live music lover, supporter of grassroots venues. Cycles a lot, rock climbs occasionally.
Kevin Anderson @kevinclimate.bsky.social Professor of Energy & Climate Change at Universities of Manchester & Uppsala.
Translating climate science, through carbon budgets, into policy goals & mitigation options.
Co-founder https://climateuncensored.com
Ken Caldeira @kencaldeira.com Mostly mentoring a group of postdocs.
Conceptual Investigations Unit, housed at Stanford.
Senior Scientist at Gates Ventures.
climate / energy / etc
https://ciunit.org
Posts imperfectly represent the views of my former self and not my employer.
Ayana Elizabeth Johnson @ayanaeliza.bsky.social Marine biologist, writer, policy nerd. Co-founder Urban Ocean Lab, think tank for the future of coastal cities. In love with climate solutions.
Glen Peters @glenpeters.bsky.social Energy, emissions, & climate
CICERO Center for International Climate Research, Oslo, Norway
https://cicero.oslo.no/en/employees/glen-peters
Marshall Shepherd @drshepherd2013.bsky.social Weather-Climate professor and scientist, Host of Weather Geeks, Forbes Senior Contributor, Alpha, 3xFSU Alum...Tweets and RTs are mine but not endorsements
Heidi Cullen @heidicullen.bsky.social climate change 🌡/extreme weather ⚡️/science communication 📣 | ocean health 🌊/ Climate Director @schmidtsciences | formerly @MBARI_News @WWAttribution @ClimateCentral @weatherchannel @NCAR_Science | i ❤️ Labs | thalassophile 💙
Andrew Dessler @andrewdessler.com Prof of Atmospheric Sciences & climate scientist @ Texas A&M; AGU and AAAS Fellow; Native Texan; find out what I think at https://www.theclimatebrink.com/
Daniel Swain @weatherwest.bsky.social Weather and climate scientist focused on extreme events like floods, droughts, & wildfires on a warming planet. www.weatherwest.com
Tamsin Edwards @flimsin.bsky.social Professor of Climate Change, King's College London. Climate science, communication, recovering/managing ME/CFS. 🏳️🌈 🇦🇶 🧊
Simon Donner @simondonner.bsky.social Climate scientist, prof at UBC, writer, speaker, aquatic mammal, dragger of sand into the house.
Reto Knutti @retoknutti.bsky.social Professor for climate physics at @ethzurich.bsky.social.
Jean-Pascal van Ypersele @jpvanypersele.bsky.social IPCC Vice-Chair for AR5, climate physicist, convinced that we can improve the well-being of all those who need it. Science, justice, empathy, sustainability without greenwashing, gender equality, listening to youth🌍🔭
Valérie Masson-Delmotte @valmasdel.bsky.social PhD, climate scientist @lsce-ipsl.bsky.social @CEAParisSaclay @IPSL_outreach @hc_climat. Was co-chair @ipcc.bsky.social (AR6 WGI). Member of French Academy of Technology and Academy of Sciences.
Ken Rice @kenrice.bsky.social Interested in #scicomm, in particular about astronomy and climate change. Professor of Computational Astrophysics and Head of Institute for Astronomy, Univ. of Edinburgh. Views own, of course.
Dr. Katharine Wilkinson 🌱 @kkwilkinson.bsky.social 🤸🏻♀️ Climate author, teacher, creator 📚 Climate Wayfinding (new!), All We Can Save, Drawdown, etc ✨ Lead @allwecansave.bsky.social 🎙 Co-host, A Matter of Degrees 🍑 ATL
True loves: 🐎🐕🐈⬛🕺🏼🌳🌖⛰️
Prof. Sonia I Seneviratne @soniaseneviratne.bsky.social Professor at ETH Zurich, IPCC WGI Vice-chair.
#Climate #Extremes #Land.
Citizen/mum/scientist. Personal account.
https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Chapter11.pdf
Twitter/X: @SISeneviratne
https://www.iac.ethz.ch/people/sonia
Joeri Rogelj @joerirogelj.bsky.social prof. climate science & policy | Imperial College London | 1.5C/net zero/carbon budget/pathways/justice | IPCC & UNEP lead author | ESABCC member | father
Prof Julia Steinberger 🌹🌱🌍 #ClimateAction #Fightfascism @jksteinberger.bsky.social Ecosocialist bluestocking. Immigrant & settler 🇪🇺🇨🇭🇺🇸🇬🇧. Social ecology & ecological economics at Uni Lausanne in 🇨🇭. Bad at email. She/her
Peter Stott @stottpeter.bsky.social Climate Scientist at Met Office and University of Exeter. Author of Hot Air: The Inside Story of the Battle Against Climate Change Denial
Mike MacFerrin @icesheetmike.myatproto.social Dr in glaciology and expert mapper of coastal topography at a Cooperative Research Institute. An organizer for disability rights in science, which mostly involves yelling at agencies. Science is the easier part of my work. #T1D
Dr. Merritt Rae Turetsky @queenofpeat.bsky.social Pre-order Bogland at https://wwnorton.com/books/bogland
Author, scientist, mom. Bog adventurer. Permafrost detective. Learn more at merrittraeturetsky.com
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Climate Central @climatecentral.org Researching and reporting the science and impacts of climate change 🌎
Carbon Brief @carbonbrief.org Award-winning journalism focused on #climatechange, science, energy and policy. Subscribe to our free newsletters: http://bit.ly/CBnewsletters or visit our website: https://www.carbonbrief.org/
Follow our journalists: https://go.bsky.app/6X95R1T
Yale Climate Connections @climateconnections.bsky.social We're a news service that helps you understand climate change and what you can do about it. Get climate solutions in your inbox: https://yaleclimateconnections.org/newsletters/
Skeptical Science @skepticalscience.bsky.social Non-profit science education organization building public resilience against climate misinformation. More at http://sks.to/welcome
AGU (American Geophysical Union) @agu.org Official AGU: supporting 500k+ Earth & space science advocates.
🌏 🚀 🔬
Save the Date for #AGU26 in San Francisco, CA, 7-11 December, 2026.
Climate Power @climatepower.bsky.social Fighting for bold climate action, exposing Big Oil’s greed, and holding polluters accountable ⚡️
UN Environment Programme @unep.org Official account of the United Nations Environment Programme
https://www.unep.org/
Inside Climate News @insideclimatenews.org Pulitzer Prize-winning, nonprofit, non-partisan newsroom dedicated to covering climate, energy and the environment. Our newsletters: http://bit.ly/3mcVORO
350.org @350.org Building a global, people-powered movement to end the fossil fuel era and create a world grounded in climate justice and powered by safe, fair renewable energy for all.
Yale Environment 360 @yalee360.bsky.social An online magazine offering reporting, opinion, and analysis on global environmental issues. Published at the Yale School of the Environment. Our newsletter: e360.yale.edu/newsletter
Nature Portfolio @natureportfolio.nature.com Nature Portfolio’s high-quality products and services across the life, physical, chemical and applied sciences is dedicated to serving the scientific community.
Grist @grist.org We're a nonprofit news org dedicated to telling stories of climate solutions and a just future. Get our journalism in your inbox: https://grist.org/subscribe/
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
Project Drawdown @projectdrawdown.bsky.social 🌍 The world’s leading guide to science-based climate solutions.
Visit www.drawdown.org to learn more
NASA Earth @thenasaearth.bsky.social 
Climate Home News @climatechangenews.com We deliver original journalism that informs & inspires action to tackle the global climate crisis | Covering Climate Now winners 2025 | Drum Award Winners 2022
World Resources Institute @worldresources.bsky.social WRI is a global research organization working to improve people’s lives, protect #nature, and halt #climatechange. 🌍📊
👉 Learn more: https://go.wri.org/mmTUco
Eric Holthaus @ericholthaus.com Meteorologist for REBUILD.US based in Minneapolis. Contributing climate journalist for The Guardian. Author of The Future Earth. Optimistic to a fault.
DM to contact me securely on Signal
Andy Revkin 🌎 ✍🏼 🪕 ☮️ revkin.substack.com @revkin.bsky.social 40 years of prize-winning sustainability journalism, mostly @nytimes, #sustainwhat webcaster https://revkin.substack.com, #Anthropocene Working Group member, solution seeker, songwriter https://j.mp/revkinlinks
Dr. Genevieve Guenther (she/they) @doctorvive.bsky.social
Founding Director, End Climate Silence
Author, *The Language of Climate Politics: Fossil-Fuel Propaganda and How to Fight It*
genevieveguenther.com