Nancy Knowlton @nancyknowlton.bsky.social marine biologist, boomer not doomer, solutionista, 💗Maine💗
Member Natl. Acad. Sci., Darwin Medal
#EarthOptimism #OceanOptimism #BeyondTheObituaries
Author-Citizens of the Sea https://www.amazon.com/Citizens-Sea-Wondrous-Creatures-Census/dp/1426206437
National Academy of Sciences @nasonline.org As advisors to the nation, we recognize and advance outstanding science for the benefit of society. Journals: @pnas.org and @pnasnexus.org | President: Neil Shubin (@neilshubin.bsky.social)
Sophie Carr @sophiecarr.bsky.social Iceland-obsessed Landscape Photographer. UK-based.
Newsletter sign-up: https://preview.mailerlite.io/preview/2233713/forms/183477923653617261?fresh=1%2Fpopup
The Research and Education Coalition for Ocean Sciences @theoceancoalition.bsky.social We are the Ocean Coalition - universities, aquaria and non-profits working together to support a strong future for ocean science. Together we are advocating for the needs of our field, and speaking with a collective voice about ocean research priorities
The Royal Swedish Academy of Sciences @scienceacademyswe.bsky.social An independent organisation, whose overall objective is to promote the sciences and strengthen their influence in society. By the terms of Alfred Nobel’s will the Academy awards the Nobel Prizes in Physics and Chemistry, and the Prize in Economic sciences.- 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.
Gavin Newsom @gavinnewsom.bsky.social Husband and father. 40th Governor of California. Former Lt. Governor of California. Former San Francisco Mayor. Personal account.
UC San Diego @ucsandiego.bsky.social The official account of UC San Diego. #4 public university, #1 in your hearts. 🔱
San Diego Zoo Wildlife Alliance @sandiegozoo.bsky.social San Diego Zoo Wildlife Alliance is an international non-profit committed to inspiring passion for nature and creating a world where ✨ all ✨ life thrives.
University of California @uofcalifornia.bsky.social Official account of the University of California system. 10 campuses, 6 academic health centers, 3 national laboratories and a network of agricultural and natural research centers. And 71 Nobel Prizes, not that we're counting.
Birch Aquarium @birchaquarium.bsky.social 🐟 The o-fish-ial account of Birch Aquarium at Scripps Institution of Oceanography at UC San Diego
Matt Luongo @luongomatt.bsky.social Climate Scientist & Oceanographer ☀️🌬️🌊
CICOES Postdoc at UW | Scripps Ocean PhD
Seattle, WA
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
Brian Banks Ⓥ 🇨🇦 @brianbanks.bsky.social Scribbler (mainly nature, conservation, critters, science, climate); Geographer (Fellow, Royal Canadian Geographical Society); Soy nature boy. https://brian.eco/
Bethany Ehlmann @bethanyehlmann.bsky.social Professor @Caltech. NASA's @LunarTrailblazr PI. Mars rover scientist. Explorer. President @exploreplanets. Author of @NatGeo's Dr E's Super Stellar Solar System
Marc Kuchner | Author @marckuchner.bsky.social Dad. Author of the Cosmic Collisions books. Astrophysicist and Participatory Science fanatic @nasa. www.marckuchner.com
Baptiste Journaux @bjour.bsky.social Assistant Prof in Planetary mineral physics at UW Earth and Space Science department| icy ocean worlds | ice(s) physic | free diving | www.SeaFreeze.org
Tansu Daylan @tansudaylan.bsky.social Ast. Professor of Physics at WashU
AstroMusers PI, cosmology, exoplanets
curious mind, dad, aviator
Harvard PhD, MIT & Princeton postdoc
In scientia fidimus
Helen Amanda Fricker @helen-amanda.bsky.social Professor of Glaciology, Scripps Polar Center, UC San Diego
https://bsky.app/profile/scrippsocean.bsky.social
Studies Antarctica with satellites
PI of EDGE mission edge.ucsd.edu
🇦🇶🛰️🧊
Graduate of @UCL & @UTAS
❄️❄️❄️
Lauren Fimbres Wood @laurenfimbres.bsky.social Communications at Scripps Institution of Oceanography, mom, auntie, human
Kimberly Prather PhD @kprather.bsky.social Atmospheric Chemistry professor, air quality, clouds-climate, health, viruses, bioaerosols, public speaker, environmental justice. ❤️ ❤️ gardening, cooking, empathy.
https://airborne.ucsd.edu
https://kprather.scrippsprofiles.ucsd.edu/
@squawky.bsky.social @squawky.bsky.social Planetary scientist, university prof, dept. chair. Want more time for research! IR remote sensing. 3D printing. Accessible field geology. Martian. she/her. Needs a better profile but not sure how to fix that :).
(@squawky on the former bird site)
Junior space scientists @jrspacescientists.bsky.social We are early career/junior space scientists advocating for space science in the US!
How you can help: https://linktr.ee/savespacescience
Views are our own & do not represent those of any government agency.
Peter Gleick @petergleick.bsky.social Climate, water, birds, bluegrass mandolin. Member US National Academy of Sciences, MacArthur Fellow, Carl Sagan Prize, author of The Three Ages of Water (2023) and When the Well Runs Dry (2026). Email me at pgleick (at) gmail.
@suesmrekar.bsky.social @suesmrekar.bsky.social PI For VERITAS, NASA orbiter to Venus
PLanetary geophysicist
Co-I Blue Ghost LISTER, Artemis V L-MAPS
Dr. Asmeret Asefaw Berhe @aaberhe.com Scientist, educator, advocate for inclusive excellence in STEM. Former Director of DOE Office of Science.
Soil biogeochemistry | Climate Change |Political Ecology.
aaberhe.com
Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
Ellen Ochoa @ellenochoa.bsky.social 
Jon Corsiglia (he/him/el) | Eco-Economy Insider @ecoeconomyinsider.com The economics of a healthier planet, minus the sermons. Honest eco-swaps + good news that also makes financial sense. 30-yr environmental communicator. 💚💙 SF Bay Area 🌊
Free weekly newsletter 👇
https://eco-economy-insider.kit.com/join
Romy Hanna @romydhan.bsky.social Carbonaceous chondrites, nature, radiohead, cats, kids, etc.
Ellen Stofan @ellenstofan.bsky.social Under Secretary for Science and Research at Smithsonian, former Chief Scientist of NASA, my posts are my own.
EarthSky @earthskyscience.bsky.social Updates on your cosmos and world.
John Green @johngreensbluesky.bsky.social Author (The Fault in Our Stars, The Anthropocene Reviewed, etc.)
YouTuber (vlogbrothers, Crash Course, etc.)
Football Fan (co-owner of AFC Wimbledon, longtime Liverpool fan)
Opposed to Tuberculosis
The Ninety-Nines Inc @theninetyninesinc.bsky.social The 99s offer camaraderie, scholarships, mentorship, and leadership for female pilots.
We are pilots who fly for airlines, industry, government; pilots who teach and pilots who fly for pleasure.
We are women who love to fly.
www.ninety-nines.org
99% Invisible @99pi.org Long running, award winning narrative podcast about all the thought that goes into things most people don’t think about.
www.99pi.org
siriusxm.com/podcasts-plus-subscription
The Associated Press @apnews.com Advancing the power of facts, globally 🌎
Project for Awesome @projectforawesome.com Hank and John Green’s annual charity event.
Decrease worldsuck with us by raising money & awareness Feb 13-15, 2026!
Watch: projectforawesome.com/live
Donate: projectforawesome.com/donate
Learn more: projectforawesome.com
Elizabeth Warren @warren.senate.gov U.S. Senator, Massachusetts. She/her/hers. Official Senate account.
https://substack.com/@senatorwarren
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
Matthew R Francis @bowlerhatscience.org Science writer, journalist, physicist, hat man, cat man, queer. Pfp by @makinaro.com . Signal: BowlerHatScience.51
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
The American Sunlight Project @americansunlight.org We're increasing the cost of lies that undermine democracy ☀️
Read our analysis: https://americansunlight.substack.com/
Join our Patreon: https://www.patreon.com/americansunlightproject
Support our work: https://www.americansunlight.org/donate
The Kavli Foundation @kavlifoundation.org Official Bluesky account of The Kavli Foundation.
Advancing science for the benefit of humanity.🔬
kavlifoundation.org
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Katharine Hayhoe @katharinehayhoe.com climate scientist
posts 100% my own
🇨🇦 is my home
distinguished professor & chair, Texas Tech
chief scientist, The Nature Conservancy
board member, Smithsonian NMNH
advisor, Lawson Climate Inst UofT
alumna, UToronto and UIUC
author, Saving Us
Andrea Shaw @shaws-light.bsky.social Wildlife and Nature Photographer.
Texas, Alaska, Colorado, NM, WY
ETTD
Coming soon…Mongolia wildlife.
Instagram.com/shaws_light
Adam Savage @asavage.bsky.social Maker. Science Communicator. Connector. 
NOAA @noaa.gov NOAA provides science, service and stewardship to protect life, property & Earth's natural resources. An agency of the Department of Commerce. Join us on Instagram & Facebook. Official NOAA account.
Nature @nature.com Research, news, and commentary from Nature, the international science journal. For daily science news, get Nature Briefing: https://go.nature.com/get-Nature-Briefing
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
Alt National Park Service @altnps.bsky.social The official "Resistance" team of U.S. National Park Service. Our website: www.ourparks.org
Reuters @reuters.com 
Newsweek @newsweek.com Newsweek provides in-depth analysis, news and opinion about international issues, technology, business, culture and politics.
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
Niall Harbison @niallharbison.bsky.social On a mission to save street dogs around the world. You can support here... https://www.happydoggo.com/donate
WomanAstro @womanastro.bsky.social 
AURA Astronomy @aura-astronomy.bsky.social AURA is a leading organization in developing and operating world-class facilities to deliver forefront #astronomy #science #telescope #astrophysics #NASA #NSF
Dr. Shawna Pandya @shawnapandya.bsky.social Astronaut | Aquanaut | Physician | Keynote Speaker
STARtorialist @startorialist.com ✨ Space 🪐 Life ☀️ Style 🌌 shop & blog co-founded by professional astronomers
🛍️: shop.STARtorialist.com
New York Times Opinion @nytopinion.nytimes.com We amplify voices on the issues that matter to you. Read on: https://www.nytimes.com/section/opinion
@theexplorersclub.bsky.social @theexplorersclub.bsky.social 
Doug Ellison @dougellison.bsky.social Dad, Husband, Mars Rover Crew Chief. Opinions and views expressed are my own. Not a NASA account. Contains strong language. He/Him. www.dougellison.com
Dr Robin George Andrews @squigglyvolcano.bsky.social Award-Winning Science Journalist | Volcanology PhD | Stories in
NYT, SciAm, NatGeo, MIT Tech Review, Quanta etc | Author: SUPER VOLCANOES 🌋 and HOW TO KILL AN ASTEROID 🚀☄️💥☠️ | (20635) Robinandrews
Dr. Amber Straughn (she/her) @astraughnomer.bsky.social Black Lives Matter. NASA Astrophysicist for #JWST. From Arkansas. Hiking, yoga, Great Dane mom, pilot, Pearl Jam superfan. #FirstGen Personal account - my views
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
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
Kimberly Cartier @astrokimcartier.bsky.social Senior Science Reporter for @eos.org at the American Geophysical Union, former astronomer who still loves all things space. Posts reflect my own views. Signal: kstar.20 She/her 🏳️🌈✡️
Laurie Leshin @laurieofmars.bsky.social Space nerd, rock nerd, ed nerd, dog nerd, fiber nerd
Dan van der Burg @astronomer-dan.bsky.social Astronomy and Planetary Sciences student with Arizona State University. Exoplanet enthusiast with Exoplanet Watch. 🇨🇦
Annet Kirabo D.V.M., M.Sc., Ph.D., F.A.H.A. @annetkiraboc1.bsky.social Professor @VanderbiltHealth #Hypertension, #kidney, #immunology #HostMicrobiotaInteraction. Mother of 2, wife. Associate Editor @CircRes
Julian A Nowogrodzki @plantnerd.bsky.social Science editor at @sentientmedia.org covering the intersection of food and climate
Words in Nature, NYTimes, MIT Tech Review & more
They/them
JulianN.88 on Signal
JA Grier, Ph.D. @jagrier.bsky.social compassion, planetary science, quilling, poetry, nonbinary, fountain pens, pagan, sci-fi, horror, fantasy, cats, wine, disability, trans, ee/em/eir, witchy, yoga, land back, reparations, none are free 'til all are free, goofball
Sonia Tikoo @smtikoo.bsky.social Planetary scientist and paleomagnetist.
Dr Ryan MacDonald @distantworlds.space Lecturer in Extrasolar Planets 🪐 🔭 at the University of St Andrews 🏴
Christopher Edwards @ride2mars2.bsky.social Planetary Geologist | Mars Scientist | Beer Connoisseur | Professor | christopherscottedwards.com
@ercantwell.bsky.social @ercantwell.bsky.social 
David Blue @davidblue.bsky.social that Actor you know…
• SAG-AFTRA Board / Television Academy
• Acting Teacher & Personal Trainer
🔘 Food • Funny • Fitness 🔘
___
https://linktr.ee/david_blue
#Stargate #StarWars #NCIS #WoW #HenryDanger #UglyBetty #Twitch #TV #Film #Health
Dr. Peter Doran @icedoctord.bsky.social Professor and Endowed Chair. Polar environments, Earth System Science, water/lakes/ice, hydology, ecosystems, astrobiology and protecting planets. Made in Canada. Opinions are mine and mine alone https://www.lsu.edu/science/geology/people/faculty/doran.php
Michael E. Mann @michaelemann.bsky.social Scientist/Author/Speaker; Presidential Distinguished Prof/Director Center for Science, Sustainability & the Media, U. Penn; National Academy of Sciences; American Academy of Arts & Sciences; Royal Society; Tyler Prize
Miki Nakajima @mikinakajima.bsky.social Associate Professor at the University of Rochester. Smashing planets in my computer is my hobby.
Claire Richardson @claire-richardson.bsky.social PhD from @seseasu.bsky.social. Likes: deep Earth seismology, Python, backpacking, reading, knitting, taking back the means of production. Dislikes: the crust, the bourgeoisie. She/her, https://www.claire-richardson.com
Dr. Sparks ✨ @chronictectonic.bsky.social (Stephanie Sparks) VAP of Structural Geology + Tectonics at The College of Wooster. I like to climb rocks and think about uncertainty in numerical modeling.
Halli @iamharaldur.bsky.social www.halli.fun
Blair Braverman @blairbraverman.bsky.social writer and dogsledder, host of story podcast “what to carry, what to burn”
Janet Vertesi @cyberlyra.bsky.social Princeton Sociology Prof; NASA ethnography; tech policy; digitalSTS; critical technical practice; mobile Linux. Conscientious objector to surveillance capitalism.
https://janet.vertesi.com
https://www.optoutproject.net
@cyberlyra@hachyderm.io
CIRES @cires.colorado.edu The Cooperative Institute for Research in Environmental Sciences (CIRES) at CU Boulder is a world leader in environmental research. We've partnered with NOAA since 1967. https://cires.colorado.edu/
📸: Gijs de Boer
Dr Pamela L Gay @starstryder.space I am an astronomer, technologist, and creative focused on using new media to engage people in learning and doing science. Note: I have dyslexia and will typo. OMG will I typo...
Gabby Giffords @gabbygiffords.bsky.social Proudly served Arizona's 8th District in the United States Congress 2007-2012. Co-founded GIFFORDS. Aphasia advocate. Married to Senator Mark Kelly.
Thomas Rauscher @rauscherthomas.bsky.social Physicist working on nucleosynthesis, theoretical nuclear physics, astrophysics, AI, ML; patent expert
PhD, FInstP FRAS FHEA, AvHumboldt Fellow
Homepage: thomasrauscher.ch
Mastodon: @RauscherThomas@mastodon.online
Jason Yalim @yalim.bsky.social Sr. ML Eng. @ PayPal's GFP ML R&D.
Formerly Assistant Research Professor, Computational Research Accelerator, a supercomputing-adjacent unit @ Arizona State University. PhD Applied Math. on stratified fluid flows.
math.la.asu.edu/~yalim
Views my own
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Dr. Pierre Haenecour @stardustpierre.bsky.social 🇧🇪🇫🇷| Cosmochemist at @uarizona👨🏼⚕️🌈☄️💫|🏃🏼♂️🏋🏼♂️🐶
"Life is like a box of chocolates, you never know what you are going to get."
Mordecai-Mark Mac Low @astrocurator.bsky.social Researching the formation of planets, stars, and galaxies, mostly through numerical simulations. Curator-in-Charge, Dept. of Astrophysics, American Museum of Natural History. All opinions are my own and not the institution's.
Astrochemist Veronica (she/her) @astrochemist-v.bsky.social Astrochemist 📡🔭⚛️🧪 • SciComm • ALMA observatory fan • Astronomom 👫🐕 • EDI advocate • 🇺🇸🇬🇧🇳🇱🏳️🌈 • AuDHD 2E • UDL education • Millennial • Extrovert level 4 • astrochemistveronica.com
Sean Raymond (planetplanet.net) @planetplanet.bsky.social Building crazy planetary systems on my blog planetplanet.net. Solar System formation. Exoplanets. Free-floating planets and interstellar objects. Astronomy poem book: http://amzn.to/3muytqo He/him.
Rocky Worlds Meetings @rockyworlds.bsky.social Monthly online seminars on all topics related to rocky planets & #exoplanets from chemistry to geology to astrophysics ☄️🧪🔭🪐🌍🌟
Sign up & more info: https://rockyworlds.org
Watch previous talks: https://www.youtube.com/@rockyworlds
Margaret Landis @mlandis.bsky.social Planetary scientist, cat person, book nerd
Dr. Lisa Gaddis @gadabot.bsky.social Mom, Planetary Scientist and Geologist, Professor’s Spouse.
Diana Blaney @dianablaney.bsky.social Planetary Scientist, 🪐🌕🚀
I do spectroscopy 🌈
Altadena Ca.
🐈⬛ Lady
Rogue NASA @roguenasa.altgov.info Not an official NASA account. Come for the facts, stay for the snark.🥄
Same team from Twitter but with more gray hairs. 🚀🛰️🧪🔭
climate.nasa.gov
they/them
🏳️🌈🫶🏳️⚧️