Roberta Kwok @robertakwok.bsky.social Freelance writer. Book LOST IN CURIOSITY: Field Notes From Scientists' Adventures into the Unknown coming 7/21 and available for pre-order: https://www.robertakwok.com/book. MIT Knight Fellow '20. Bylines in NYT, NewYorker.com, Nature, Audubon, etc.
James Dinneen @jamesdinneen.bsky.social Science journalist reporting on Earth for @nature.com; writing book about the deep interior of Earth for @vikingbooks.bsky.social. Send tips via Signal @jamesnesw.44. Email is easy to find. Newsletter: northeastsouthwest.substack.com
Adam Rutherford @adamrutherford.bsky.social I had a marvellous time ruining everything.
Professor of Genetics @UCL, Public Humanities Fellow @SAS. Ex-President of @Humanists_UK Genetics, race, eugenics, books, cricket, +–=÷×
@kbjmanagement
adamrutherford.com
George Vlad @georgevlad.bsky.social Award winning sound recordist, audio director and expedition leader - Dune Part Two, Mufasa The Lion King, Horizon Forbidden West, Wordscapes, Google Pixel
Kellan @kellanem.com 30 years of social media breaking my heart.
Evan Hadfield @evanhadfield.bsky.social bad at internet
.Astronomy @dotastro.bsky.social Conference series about what happens when hackers, astronomers and the web all get together.
PBS @pbs.org PBS’s editorial independence is central to our work and will never change. We produce trustworthy content that features unbiased reporting.
http://www.pbs.org
American Museum of Natural History @amnh.org Official page of the American Museum of Natural History in New York City. Open daily, 10 am–5:30 pm.
https://linktr.ee/amnh
Thomas Shahan @tshahan.bsky.social Spiders! Art?
most active on iNat: https://www.inaturalist.org/observations?place_id=any&user_id=tshahan
INSTAAR @instaar.bsky.social Institute of Arctic & Alpine Research - Earth & environmental science at CU Boulder. Research & education on the past, present, & future of Earth systems in service of a just & thriving world https://www.colorado.edu/instaar/
Casey Dreier @caseydreier.bsky.social Chief of Space Policy at The Planetary Society. Host of Planetary Radio: Space Policy Edition. planetary.org
Kate Marvel @drkatemarvel.bsky.social Climate scientist, formerly NASA, currently Project Drawdown. Former astrophysicist, current Earth supremacist. Author of HUMAN NATURE, best book of 2025 according to both Scientific American and my dad https://shorturl.at/aJRYb
Lenore Edman @1lenore.bsky.social I have been called the "fairy godmother of making" and "ultimate reference librarian for matters maker, scientific, and technical." (she/her) 
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.
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
Dr Sjúrður Hammer @sjurdur.bsky.social Faroe Islander Seabird ecotoxicology, biodiversity and invasive species. Hoarder of bird skulls, feathers & eggshells. Natural history books and taxidermy are my love languages. University of Aberdeen and Glasgow alumni - got Meniere's too
2003 🇫🇴🏴🇩🇰🏴🇫🇴2017
Gard Gibson @gardgib.bsky.social Husband and father to one amazing human son and two adorable huskies. Rock Chalk Jayhawk!
The Science Foundation @sciencefoundation.bsky.social Public Science, Public Good
https://science-foundation.org/donate
Mark Popinchalk @markpopinchalk.bsky.social Astrophysics postdoc at AMNH | writer for @astrobites.bsky.social | planetarium presenter | Likes ultimate frisbee, volleyball, and all kinds of games. He/Him
International Glaciological Society @igsoc.bsky.social ❄️ Official account of the International Glaciological Society. Discover the wonders of snow and ice with us! #Glaciology ❄️
igsoc.org
Allen Pope @allenpope.bsky.social Polar scientist & glaciologist. Sec Gen for @igsoc.bsky.social. Trail running. Still new to this platform & figuring things out!
Clare Fieseler, PhD @fieseler.bsky.social Journalist covering the ocean and climate change / currently: columnist @sciencepolitics.bsky.social / former: POLITICO, The Washington Post, The Post & Courier / National Geographic Explorer / signal @clare.14
BEPSII @bepsiiseaice.bsky.social An awesome working and networking group of polar scientists investigating the Biogeochemical Exchange Processes at Sea-Ice Interfaces (BEPSII)
Governor JB Pritzker @govpritzker.illinois.gov Husband and father. Proudly serving as Illinois’ 43rd governor.
Dave Jorgenson @davejorgenson.bsky.social Host of Local News International
Non-partisan public data petition: https://usafacts.org/data-we-depend-on/
Bundle: https://trustfnd.com/davejorgenson/c/local-garbage-fire--vSrCPBRkF8C4LhjLJbKo
Support us: http://LNI.media/membership
@annettemason.bsky.social @annettemason.bsky.social Sabbaticalist & Succession Architect
Neil Shubin @neilshubin.bsky.social Paleontologist. Developmental Biologist. Anatomist. Polar wanderer. Telling people that they are fish since 2008.
Maxwell Frost @maxwellfrost.bsky.social Organizer, Musician, Floridian, and Congressman (FL10).
https://linktr.ee/maxwellfrostfl
Brad Lander @bradlander.bsky.social Dad Lander. Former Councilmember Lander. Former Comptroller Lander. Running for Congress because we need to fight, not fold. 🥊
https://linktr.ee/bradlander
Zohran Kwame Mamdani @zohrankmamdani.bsky.social Mayor of New York City
Berkeley Lab @berkeleylab.lbl.gov Official account of Lawrence Berkeley National Laboratory (LBNL), a U.S. Department of Energy national lab. newscenter.lbl.gov
Colleen Durkin @cadurkin.bsky.social Oceanographer and lead of MBARI's Carbon Flux Ecology team. I think a lot about sinking particles, the carbon cycle, and microscopic creatures. Otherwise: fiber art, designing/making clothes, chickens. Views expressed here are my own.
Countdown to end of Trump presidency @trumppercent.bsky.social Counting down to the end of Trump’s second term in office. TrumpPercent.com
Freya Blekman @freyablekman.bsky.social Particle physicist at @CMSExperiment at @CERN - Lead Scientist DESY & Professor of Physics University of Hamburg - World citizen ➡🇳🇱🇺🇸 🇬🇧🇨🇭🇧🇪🇩🇪
Posts: #physics #SciComm + academia/tech stuff + my opinions + summaries of #CMSpapers
The Nature Conservancy Science @science.nature.org @nature.org's science network working to optimize science and help TNC advance towards the 2030 goals.
IceCube Neutrino Observatory @icecubeneutrino.bsky.social The IceCube Neutrino Observatory is an array of optical sensors buried in Antarctic ice that detects the presence of neutrinos.
https://icecube.wisc.edu/
Unbreaking @unbreaking.org How the administration is breaking the government and what that means for all of us. All of our content is free to republish and remix. https://unbreaking.org/
Dan 🐟 C @zebrafish007.bsky.social Zebrafish, blood and lymphatic vessels, microscopes, imaging, aquaculture, cavefish, 3D printing, science. views my own.
Nikon Microscope Solutions @healthcare.nikon.com The official account for the Life Science Solutions division of the Nikon Healthcare Business, with a focus on biological microscopy products and services for the life science, biotech/pharma, and clinical laboratory markets.
Alexandra Lange @langealexandra.bsky.social Design critic, author, 1970s, malls, kids, Marimekko // more at www.alexandralange.net
SciComm Excellence @scicommexcellence.nationalacademies.org The National Academies Eric and Wendy Schmidt Awards for Excellence in Science Communications encourages high-quality #scicomm.
https://www.nationalacademies.org/awards/excellence-in-communication
Molly Edwards, PhD @science-irl.bsky.social ▶️ #scicomm as Science IRL
🎥 video producer
🌸 PhD in flowers
linktr.ee/science_irl
Dan Garisto @dangaristo.bsky.social science journalist | good physics, bad physics, and sometimes ugly physics
Signal: dgaristo.72
Email: digaristo@gmail.com
@skschmidtlab.bsky.social @skschmidtlab.bsky.social Biogeochemistry, Ecology, and Microbiology of High Mountain and Polar Ecosystems. Studying life in the rapidly-shrinking cryobiosphere...
Leigh Stearns @leighstearns.bsky.social Climate and glacier scientist at UPenn.
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.
Robert McNees @mcnees.bsky.social Physicist and Professor at a university in Chicago. I study black holes, quantum gravity, and cosmology. Rocky Top, Tar Heel. Reposts are spooky action at a distance.
My views, not my employer's.
https://jacobi.luc.edu
https://mcnees.github.io
JPWeiland @jpweiland.bsky.social Scientist+Engineer. Infectious disease modeler. Posts and spelling mistakes my own
Indivisible SF @indivisiblesf.bsky.social San Franciscans standing indivisible for a progressive agenda in CA-11 and -15. Also at http://sfba.social/@IndivisibleSF. Website: https://indivisiblesf.org/ Newsletter: http://eepurl.com/cHlx6r
Erin Towns @etowns.bsky.social Teacher | Research Photographer | Founder PolarSTEAM Field School | National Geographic Grosvenor Teacher Fellow | UMO Polar Geophysics Team
https://linktr.ee/etowns01
@kathywelch.bsky.social @kathywelch.bsky.social 
McMurdo (MCM) Long Term Ecological site (LTER) @mcm-lter.bsky.social The NSF-funded LTER network has 27 sites around the World to gain a comprehensive understanding of ecological phenomena occurring over long periods of time and across broad spatial scales. We are one of 2 Antarctic sites. https://mcm.lternet.edu/
Mallory McMorrow @mallorymcmorrow.bsky.social Michigan State Senate Majority Whip | Notre Dame ☘️ | Ray Wert’s ginger half | Noa's mom
Cory Booker @corybooker.com U.S. Senator from New Jersey. 
Sen. Cory Booker @booker.senate.gov Proudly serving the people of New Jersey in the U.S. Senate. 
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Black Microbiologists Assoc (Black In Micro) @blackinmicro.bsky.social Increasing Visibility. Facilitating Connection. Moving Microbiology Forward. Get connected today
Connect with us: linktr.ee/blackinmicro
Contact: admin@blackinmicrobiology.org
It's ME(Jaime) @exceedhergrasp1.bsky.social Scientific Director, #MEAction
Affiliations: Stanford Genome, Université de Montréal
TIME100 Health
#ME, #EDS, #POTS, #LongCOVID
Views my own
Sarah Hotchkiss @sahotchkiss.bsky.social Artist and writer, senior editor for kqed.org/arts, "thoughtful reviews" since 2011 (she/her)
Jeffrey Goldberg @jeffreygoldberg.bsky.social Editor in chief, The Atlantic. Moderator, Washington Week with The Atlantic, on PBS.
Jessica @wordridden.bsky.social Translator, foodie, traveler, crafter, reader, writer, musician. Swimmer (wild and otherwise), balletomane and (not-our-)cat lady. She/her
🇪🇺🇺🇦
Also at @wordridden@sunny.garden on Mastodon
Barack Obama @barackobama.bsky.social Dad, husband, President, citizen. barackobama.com
Vivian Jenna Wilson @thevivllainous.bsky.social She/Her 🍉
Forever an enigma
Paul Bierman @paul-bierman.bsky.social Geoscientist, environmental historian, professor, author who cares deeply about our planet. Obsessed with snow, ice sheets, climate, and science as a way of knowing. Passionate about teaching, equality, and explaining Earth. https://www.paulbierman.net
U.S. Scientific Committee on Antarctic Research (US-SCAR) @usscar-antarctic.bsky.social US-SCAR is a focal point for U.S. participation in the Scientific Committee on Antarctic Research (SCAR). https://usscar.org/
Dr. David Miller 🏳️🌈 @davidimiller.bsky.social Physicist Turned Psychologist | Senior Researcher in #STEMed | Meta-Analysis Nerd | https://d-miller.github.io/
Also posts about 🧪 science funding to focus my attention.
Personal account. I don’t speak for my employer or any other orgs.
Andy Andy @drrocks1982.bsky.social NSF Geosciences Earth Sciences Instrumentation / civil servant-took the oath and meant it / science advocate / sighsmologist / dad joker / lefty / victory gardener / cyclist / court jester / meadmaker / U South Carolina & U Arizona alum / views my own
Tantek Çelik @tantek.com.web.brid.gy Hello
Hi. I work on web standards and the IndieWeb. I like to run trails, practice yoga, go bouldering, code & design my website, and write when I can. My pronouns are he/him. 🏠 📺 🥏
💬 Contact 👏 Tip Founder at IndieWeb Founder at microformats.org Web Stan…
Zoë Schlanger @zoeschlanger.bsky.social Reporter covering chemicals, climate, cool plants. Author of THE LIGHT EATERS, a plant book, out from Harper Books. I'm zoeschlanger.99 on Signal
Elena Field @elenafield.bsky.social GIS & Web Mapping Specialist at British Antarctic Survey.
Cartographer. Geologist. Bookworm. All views my own. 
Leslie Rissler @ljrissler.bsky.social Evolutionary Biologist | @DEB @NSF | Fighter for Science and Scientists | Former Prof of Bio @Univ AL, Postdoc @UC Berkeley, PhD @UVA | More than just science, but science is my love (views always my own)
Dr. Emily Broadwell @emilylmb.bsky.social (she/her) Postdoc researcher with the Deep Purple project looking at snow and glacier algae ❄️
Andrea Luck @andrealuck.bsky.social 🛰️🪐 Space voyager processing space images 📡💻
🎞️ HD Photostream: https://www.flickr.com/photos/andrealuck/
🎋Other places: https://linktr.ee/andrealuck
🌍Glasgow, Scotland 🌱 (He/Him)
Nautilus Magazine @nautil.us Science's boldest ideas decoded by the brightest living thinkers and writers.
Read and subscribe today: https://nautil.us/
Sign up for our newsletter: https://bit.ly/4kLpIVC
Mike MacFerrin @icesheetmike.bsky.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
soleil ho @soleilho.com critic and food writer @coyotemedia.org | they/them 🍊 av by max graves
signal: soleil.94 | www.soleilho.com
NSIDC @nsidc.bsky.social We are the National Snow and Ice Data Center at the University of Colorado Boulder. We conduct innovative research and provide open data to understand how the frozen parts of Earth affect the rest of the planet and impact society. 
AGU Cryosphere Section @agucryo.bsky.social 
Cryolist.org @cryolist.bsky.social Repost != endorsement by moderation team
cryolist.org | email mailing list for the global cryospheric community (snow, ice, glaciers, permafrost, ocean, geomorphology, climate, etc)
Digital Naturalism Laboratories @dinalab.bsky.social A jungle makerspace for field biology in Gamboa, Panamá. www.dinalab.net
We also organize the Digital Naturalism Conference: http://2025.dinacon.org
Linda Freeman @lindajoyforever.bsky.social Living a thriving, inspired life! National Geographic Explorer. Creator of @gen2050youth #insidenatgeo #gen2050🌎www.lindafreeman.org
dreww @dreww.gg helping indie devs make cool shit at @phantomfriends.com. and then also i like esports (sorry)
@caeculus.bsky.social @caeculus.bsky.social Ken Schneider; pathologist and California-based naturalist and microscopist on a mission to document the diversity of tiny and/or obscure invertebrates and cryptogams (lichens, mosses) living in western North America. 
SF Micro Society @sfmicrosociety.org We are a community of aspirational, amateur & professional microscopists. Since 1870, we bring people together to learn & explore.
Become a member! 👇
https://sfmicrosociety.org/join
Elizabeth A. Perera, MSc @acelloninja.bsky.social 
Heather Knight @heatherknightsf.bsky.social San Francisco bureau chief for the New York Times. Northern California native; San Franciscan for 25 years.
www.nytimes.com/by/heather-knight
Twilight Greenaway @twyspy.bsky.social Journalist and editor focused on climate, water, agriculture, and the natural world. Currently a senior reporter @civilbeat.bsky.social.
Personal newsletter: https://windowofopportunity.substack.com/
Chris Colin @chriscolin3000.bsky.social Stories for Atlantic, NYT, Pop-Up Magazine (RIP), 99% Invisible, NewYorker, Outside. Contributing writer Afar, California Sunday (RIP). Make José Andrés's podcast. Make music for other podcasts. Editor @ Stanford. I dunno. http://www.chriscolin.com
Stand Up for Science! @standupforscience.net We mobilize the fight for science and democracy - because science is for everyone! 🧬🧪🌎
Donate here: https://bit.ly/SUFS_GIVING
Learn more ⬇️
https://linktr.ee/standupforscience_bluesky
Prof Christina Pagel @chrischirp.bsky.social Prof Operational Research , @UCL_CORU, passionate about health care, women in STEMs, defending liberal democracy (!). Member of @independentsage, posts personal. https://www.trumpactiontracker.info/
Nujoud Fahoum Merancy @nujoud.bsky.social NASA Deputy Associate Administrator, Exploration Strategy & Architecture. #DucatiScrambler riding, mom of 2, Palestinian-American... spaceships are the easy part.
Poorly Drawn Lines @poorlydrawnlines.bsky.social Comics by Reza Farazmand (official account!)
Symmetry Magazine @symmetrymagazine.org Hear the latest news, meet the people behind the science, and get the background you need to better understand the language of particle physics: https://www.symmetrymagazine.org/
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
@frostjeff.bsky.social @frostjeff.bsky.social Time Lord
Kiliii Yuyan @kiliiiyuyan.bsky.social Stories from the Arctic, under the sea & Indigenous communities. @NatGeo Photog. Hezhe+Chinese descent.
Reuben Wu @reubenwu.bsky.social Visual Artist, National Geographic Photographer
Last Week Tonight with John Oliver @lastweektonight.com The official Bluesky account of Last Week Tonight with John Oliver. youtube.com/lastweektonight