Joe Mason @moreorloess.bsky.social UW Madison Geography, opinions are mine. Geomorphology, soils, dunes, loess, in the Midwest, Great Plains, northern China. He/him. Living on Ho-Chunk lands.
Benjamin Gill @sedgeochem.bsky.social Biogeochemist. Dad. Earth Historian. Gardener. Professor in the Department of Geosciences at Virginia Tech. He/him.
Casey Davenport @cedavenportwx.bsky.social Weather and severe storms nerd. Meteorology prof at UNC Charlotte. Passionate educator. Always striving to be a better instructor and mentor. Opinions mine. This is my only Bluesky account; all others imposters.
https://pages.charlotte.edu/casey-davenport
Matt Bracken @brackenlab.bsky.social Marine biodiversity - https://faculty.sites.uci.edu/biodiversity/ - he/him/his
Daniel S Helman, PhD @helmandaniel.bsky.social I'm an artist who turned tail and became a geoscientist, working in mineralogy, sustainability and nonviolence.
https://osf.io/3zd68/
Manjeet Dhakal @manjeetdhakal.bsky.social PhD scholar, Kathmandu University | Faculty, School of Environmental Science and Management (SchEMS) | Head of LDC Support Team, Climate Analytics SouthAsia 🇳🇵
Hansi Lo Wang (he/him) @hansilowang.bsky.social @npr.org correspondent reporting on voting, the census and USPS
signal: hansi.01
email: hwang@npr.org
newsletter: hansilowang.com/stay-in-touch
Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social I make ice cream and do science and suck at fly fishing. YYC
glaciers - geohazards - climate - geomorphology - geomatics - gelato
He/him
Fellow, @rcgssgrc.bsky.social
Bill Minarik @silicatefondue.fosstodon.org.ap.brid.gy teaches #EarthSystemScience at #McgillUniversity. Research in #geochemistry and inexpensive, accurate sensor meshes for environmental monitoring.
[bridged from https://fosstodon.org/@silicatefondue on the fediverse by https://fed.brid.gy/ ]
KSircombe @ksircombe.bsky.social A curious, innovative and always learning Geoscience Laboratory Director producing data for the public good. Opinions and long-winded nested verbs are all mine and nothing to do with my employer.
Rhett Ayers Butler @rhettayersbutler.bsky.social Founder of Mongabay, a platform that delivers news & inspiration from Nature's frontline via a global network of reporters. I'm not very active on this platform. You can find me on LinkedIn and/or follow Mongabay's BlueSky account.
Huub Eggen @huubeggen.bsky.social Atmospheric phenomena, astronaut photography of earth, co-organizer of Science Café Deventer, geomorphologist by education, co-founder of the Dutch Association for Science Journalism and Science Communication (VWN), posts mostly in Dutch and English
Emily Olsen @emilyolsen.bsky.social 🚀 Cataloguer, Science at Sotheby’s
💫1/2 of the Art Astra Podcast
Nerd about space, art, and pop culture.
Opinions my own.
Marcus Lower @astromelow.bsky.social Astrophysicist | ARC DECRA Fellow at Swinburne | Timing pulsars & magnetars | Coffee enthusiast
Website: https://mlower.github.io
Alex Turnbull @alejandroturnbull.space Chief Rocket Wrangler at UC Riverside's Highlander Space Program and writer at @spacescout.bsky.social - working on dark matter detection, high power rockets, and whatever else catches my interest.
www.alejandroturnbull.space
🏳️🌈
Nicholas Weller @nichweller.bsky.social I can't escape the pull of learning new things from people I don't know online.
(Not a very good) Research Asst Professor interested in science and politics
darth™️ @darthbluesky.bsky.social not the darth u are looking for
Marjorie Hanneman @marjih.bsky.social PhD Candidate in Plant Breeding & Genetics at Cornell University | BS Agronomy and Genetics at Iowa State University
dr. nick wagner (he/him) @geophyswags.bsky.social planetary geophysicist and geodesist | postdoc at Brown University | i make fake numbers match real numbers for a living
Wolfgang Blau @wblau.bsky.social Global Managing Partner Sustainable Business Practice, Brunswick Group / Advisor UNFCCC / Prior: Global COO Condé Nast / Guardian / Die Zeit
https://www.linkedin.com/in/wolfgang-blau-68726244
IPCC @ipcc.bsky.social Intergovernmental Panel on Climate Change
Clair Barnes @clairbarnes.bsky.social Stats/data nerd and researcher at www.worldweatherattribution.org. Mostly handmade. She/her.
Rachel Fieldhouse @rfieldmouse.bsky.social Reporter at Nature News Asia Pacific. Posts and views are entirely my own. Interested in regional stories and physical and biological science. Find me on Signal at rjfield.01
Tanya Lewis @tanyalewis.bsky.social Health and science journalist. Former health desk editor @sciam.bsky.social. Like dogs and bad puns. Views are my own opinion.
Val Pullin @misfitsister13.bsky.social Horror and history obsessive.
Rescue cat mum.
Anne Jefferson @annejefferson.bsky.social Watershed hydrology and geomorphology prof and Lake Champlain Sea Grant Director here for science, the environment, and life as an academic & mom. Formerly @highlyanne.
Posts are personal and do not represent organizations. Reposts are not endorsements.
Nature Geoscience @natgeosci.nature.com A monthly journal aimed at collating top-quality research across the Earth and planetary sciences. Twitter/X: @NatureGeosci
Site notice: http://bit.ly/2oAyLi1 https://www.nature.com/ngeo/
Dr Alfredo Carpineti @drcarpineti.bsky.social Astrophysicist, science writer for @iflscience.com, geek, immigrant, and also The Astroholic. Chair of @prideinstem.bsky.social | 📖 Invisible Rainbows out May 21 | He/him | opinions are my own
https://linktr.ee/theastroholic
Mark Histed @markhisted.org Lincoln liberal, 2nd inaugural enthusiast.
Information processing in networks. Brains, models, lasers.
Prev: media policy for democracypolicy.network. All views are my own.
linktr.ee/markhisted
neuro: 🧠 /🧪
Astronomy, Astrophysics & Space Science | SpringerNature @astro.springernature.com Features space science, astronomy and astrophysics publications for professional researchers and amateurs by @SpringerNature.com
Emily M. Bender @emilymbender.bsky.social Book: https://thecon.ai
Web: https://faculty.washington.edu/ebender
Jayne Birkby @jaynebirkby.bsky.social Professor of Astrophysics at the University of Oxford. I study the atmospheres of other worlds beyond the Solar system.
John Semley @johnsemley3000.bsky.social writer and researcher, covering books, films, and psychoactivity, in no particular order. a pocket full of spare change and anger unlimited.
Seth Masket @smotus.bsky.social "A very accessible, very interesting, non-bombastic political scientist." -Jonah Goldberg
Subscribe to my newsletter "The Smotus Report" about US politics in an endangered democracy: http://smotus.substack.com
Joanna Bagniewska @joannabagniewska.com Lecturer in Environmental Science at Oxford Uni @ox.ac.uk @lifelong-learning.ox.ac.uk
Fellow at @kelloggoxford.bsky.social
Zoologist, science communicator, 🇵🇱 in 🇬🇧.
#AcademicSky 🧪
I write books, buy them!
https://linktr.ee/jbagniewska
Misha Teplitskiy | Science of science | on LinkedIn mostly @innovation.bsky.social Mostly on LinkedIn:
https://www.linkedin.com/in/misha-teplitskiy
Alex Guseman @alexguseman.bsky.social Assistant professor at UCSD Biochemistry and Molecular Biophysics (www.bmb.ucsd.edu). Pens fan & bbq enthusiast.
Jim Al-Khalili @jimalkhalili.bsky.social Jim Al-Khalili CBE FRS. Academic, author, broadcaster. Distinguished Emeritus Professor of Physics @UniofSurrey,
https://jimal-khalili.com
https://www.youtube.com/@UnbaffledScience
L. C. Mayorga @mayorgalc.bsky.social I have arrived.
One existential crisis from being productive.
David Dayen @ddayen.bsky.social Executive editor, The American Prospect. Author, Chain of Title and Monopolized. Tips at ddayen-at-prospect-dot-org or Signal at ddayen.90
Josh Fischman @jfischman.bsky.social Senior editor and special projects editor. Formerly Scientific American and health podcast host. Stories on health, biology, science & politics, cute animals
Helen Santoro @helenwsantoro.bsky.social Colorado-based health & investigative journalist. Send tips to me@helensantoro.com
Ryan Hill @ryanreedhill.bsky.social Assistant Professor at Northwestern Kellogg researching science and innovation. Living that dad life.
www.ryanreedhill.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.
Prasad Jallepalli, MD, PhD @prasad.bsky.social Prof & Lab Head in NYC. 100% research: cell division, genome integrity, cancer.
Curious to a fault. Also πολύτροπος. Talking here for me alone. I listen to the finest worksong. Like/repost = bookmark/news, not agreement/endorsement.
Evan Bush @evanbush.bsky.social NBC News science and climate reporter based in Seattle.
Jay T. Cullen @jaytcullen.bsky.social Interim President & CEO @oceannetworks.ca
Chemical Oceanographer.
Interested in aviation, the ocean, climate science, space and music…views and opinions are my own
Maddie Stone @themadstone.bsky.social Earth science PhD-turned journalist. I write about clean energy, tech sustainability, and the science of science fiction.
Website: maddiestonewriting.com
Newsletter: https://www.importantnotimportant.com/t/the-science-of-fiction
Lizzy Lawrence @lizzylawrence.bsky.social Journalist @wsj.com writing about the pharmaceutical industry. Tips welcome! Signal is lizzylaw.53
Kate Wong @katewong.bsky.social Freelance science writer and editor. Formerly senior editor at Scientific American. I write about human origins, animals past and present, wildlife conservation, ecology and evolution. Birder.
Clint Smith @clintsmithiii.bsky.social Author of How the Word Is Passed, Above Ground, and Counting Descent. Writer, The Atlantic.
Dr. Kakani Katija @kakanikatija.bsky.social Bioengineer in MBARI’s Bioinspiration Lab, Smithsonian’s NMNH, Caltech, National Geographic Explorer, former USA ice dancer. Dog + cat + human mom. Spare time: President of cvvic.org. Hater of inefficiency and waste. Views are my own. she/her
Anette H 🦋 @anettehallstrom.bsky.social Dane in Limhamn Sweden and Orø Denmark. Podcast producer & Head of Secretariat in Danish NGO Sustainable Change Makers. Earth keeper at all times 🌍 with a huge interest for 👽 Plus love and support of 🏳️🌈. Born at 319.65 ppm. PS: not here to date. Please!
Dr Sinead Farrell @dr-slfarrell.bsky.social Associate Professor, University of Maryland. @umdgeography.bsky.social
Studies Arctic and Antarctic sea ice and the polar oceans with satellites.
@es-ucl.bsky.social UCL graduate
Jared Rennie @jjrennie.bsky.social Research Meteorologist at NOAA’s NCEI. We archive your data and I play with it. On this hell site too along with all the others. 
Femke de Jong @fmkdejong.bsky.social Physical oceanographer at the Royal Netherlands Institute for Sea Research (NIOZ). Measuring the Meridional Atlantic Ocean Circulation (AMOC). Interested in ocean, climate, diversity, sailing, creativity. Views my own. Posts in English and Dutch
Jaime Palter @jaimepalter.bsky.social Oceanographer, professor, Mom, Rhode Islander. Here to learn and connect with ocean, climate, energy crowd. 
Sara Reardon @sarareardon.bsky.social Reporter at Science covering biology, policy, and all things wild and wonderful. @science.org
🧠 🧬 ⚖️ 🐒 🏳️🌈 🦠 🔬 🏛 👩🔬
Signal: sara_reardon.59
School of Archaeology @unioxarchaeology.bsky.social #Archaeology @ox.ac.uk www.arch.ox.ac.uk
All the big ideas in time.
Try our 'School on Bluesky' starter pack: go.bsky.app/JX5CP1k - Toot ☥ come in!
Michael D. Green, PhD @michaeldgreen.phd Narrowly focused on unequal treatment in healthcare, the Chargers, and early career scientists.
NIA F99/K00 Fellow
Current Postdoc @ JHU | PhD, Population Health Sciences, Duke | 🌲Dartmouth ‘21 |
michaeldgreen.phd
Views my own
Lisa Margonelli @lisamargonelli.bsky.social Maine resident. Books: Underbug, Oil on the Brain. Fan of termites, mushrooms, clams, and phylogenetic trees. EIC: Issues in Science and Technology. Opinions are my own. 
ICSSI @icssi.org 2026 International Conference on the Science of Science & Innovation
June 29-July 1, 2026 in Boulder, Colorado, USA #ICSSI2026
👉 www.icssi.org 👈
Bhaven N. Sampat @sampat.bsky.social Johns Hopkins University and NBER. Current research focuses on the history and political economy of U.S. S&T policy, the economics of the NIH, and pharmaceutical patent policy. Website: bhavensampat.github.io
Bri 💝 @breezybrik.bsky.social Books Editor & Rights Manager @ SciAm
Say hi & tell me what to read next 📗 brianne.kane@sciam 📚 muckrack: bri-kane 🤭 insta: bri4dayz
🚨All views are my own and do not represent my employer
Elana Resnick 💫 @resnickphysics.bsky.social SWx enthusiast, educator, cat mom of 2 🐈🐈⬛. Views shared here are my own. She|Her
Cover photo courtesy of Rachel Lense
Gabriel Eggers @gabeeggers.bsky.social Upjumped farmboy from Missouri. Visiting Professor at Wesleyan University interested in volcanism of Venus, Earth, Mars, etc. #FirstGen. Do good recklessly. He/Him.
Leonard David @ldavid1129.bsky.social Space Journalist, Inside Outer Space
Libby Jackson @libbyjackson.com Head of Space, Science Museum.
History of Geology @historyofgeology.bsky.social A channel dedicated to the #History of #Earth #Sciences 🌍 run by an Alpine #Rock G(e)o(logist)at ⛰️🔨🐐
This channel depends on support to survive, so many thanks if you wish to help http://www.bressan-geoconsult.eu/support-history-of-geology/
Angus Miller @geowalks.scot Walks & holidays exploring Scotland's geology, and its influence on landscape & people. Edinburgh Uni Teaching Fellow, founding Trustee Scottish Geology Trust.
Anil Dash @anildash.com the internet's uncle • waging a victorious 2-front war against cars and christmas • big fan of being a big fan of things • go read https://anildash.com
John Ryan @heyjohnryan.bsky.social KUOW Public Radio environment reporter. Seattle. Is this thing on?
Tips, leaks--DM me, or email jryan@kuow.org, or Signal: @heyjohnryan.10
Doug McNeall @dougmcneall.bsky.social Science Lead for Data-Driven Climate Modelling @ UK Met Office | University of Exeter | AI, UQ, Countering mis/disinformation.
dougmcneall.com
Cole Donovan @colesci.bsky.social Director of Science Policy and Advocacy, Stand Up for Science Foundation. Former White House OSTP, Federation of American Scientists, NOAA Office of Space Commerce, National Academies, State Department.
Science advocate. Geeky painter. Views own.
@elizabethginexi.bsky.social @elizabethginexi.bsky.social Former NIH Program Official for 22 years. Now fighting to defend science.
Micah Corah @micahcorah.bsky.social Assistant Prof, CS@Mines
Director: @napplab.bsky.social
Aerial and multiple robots; autonomous filming, mapping, perception
Enjoys: 🧗♂️🚴♂️🎸🎶🤘
Ursula Le Guin stan. Call me on my ansible.
He/him pronouns 💖💜💙
Opinions my own.
https://www.micahcorah.com/
Planetary Science Institute @psi.edu https://www.psi.edu/
A private nonprofit dedicated to studying the origin, characteristics, and evolution of planetary systems and planets, including the Earth.
Jax and Phoebe Make a Planet @makeaplanetpod.bsky.social We invite you to join us on our journey through Earth’s incredible history on a new show, coming in 2025: Jax and Phoebe Make a Planet, by @phoebefossil.bsky.social and @jacquelyngill.bsky.social
https://www.makeaplanetpod.earth/
CASW @sciencewriting.bsky.social Council for the Advancement of Science Writing. CASW organizes New Horizons in Science and other programs for science writers.
Follow the Climate News Task Force outlets: https://go.bsky.app/PmRtdCw
Michelle Kim @michelletomkim.bsky.social AI reporter @technologyreview.com. michellekim.11 on Signal
Nick Lutsko @nick-lutsko.bsky.social Associate Professor of Climate Science at Scripps Institution of Oceanography/UCSD.
More at: https://www.sio-climatephysics.com/ and https://notesonclimate.substack.com/
Shel Winkley @shelwinkleywx.bsky.social @climatecentral.org | Former @kbtx.com Chief Meteorologist | AMS CBM #780 | TAMU Class of 2007 | 🔴 🌎 Climate Change is Real.
Claudia Steiner @claudiasteiner.bsky.social Science journalist and master's student in UC Santa Cruz's Science Communication program. Go slugs.
Edward Chen @edwrdchen.bsky.social 
John Bistline @bistline.bsky.social Head of Science at Watershed | Energy systems modeling, economics, policy | IPCC, NCA, Stanford/CMU alum | Views my own
Carlos Martinez, PhD @carlonimbus.bsky.social Climate Scientist at Union of Concerned Scientists | Bridging Environmentalism and Spirituality | Chair of the American Meteorological Society Committee on Spirituality, Multifaith Outreach, and Science (COSMOS) | Views are my own :)
M. Goud Collins @sciencecooperation.bsky.social Geology. Oceanography. Originated in SC. IIASA. International cooperation in research. Learning to love negotiation.
Thomas Lin @7homaslin.com Super nerd here to spread the joy of learning.
📖 Publisher @quantabooks.org at @simonsfoundation.org
📚 Author list: Terence Tao, David Tong, Kevin Hartnett
⚛️ Founding EIC @quantamagazine.bsky.social
💼 Prev @nytimes.com, CASW, CUNY J-School
🚴🏼🎾♟️
Dr Matt Winning @mattywin.bsky.social 🎤 Climate comedian
🌍 Lecturer in Economics of Sustainability @UCL.ac.uk
🌀 Environmental Expert
📚 Author of 'Hot Mess'
📻 Hosted BBC Radio 4's 'Net Zero: A Very British Problem'
www.mattwinning.com
https://linktr.ee/mattwinning
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.
Simon Clark @simonoxfphys.com Science communicator, video maker, author, podcast creator. PhD in theoretical atmospheric physics. Born at 354 ppm.
Ambassador for @coolearthaction
https://linktr.ee/simonoxfphys
Seán Doran @theseaning.bsky.social ✨ 🌍 🛰️ 📽️
David John Gagne II @djgagnedos.bsky.social Machine Learning Scientist at NSF NCAR in Boulder, CO. Interested in the linkages among AI, weather, climate, disasters, and impacts. 
Michael Karlik @michaelkarlik.bsky.social Judicial reporter at coloradopolitics.com and gazette.com. Shining a light on the work of our state and federal judges. Plus, full-time bird caretaker.
Hank Green @hankgreen.bsky.social Long Time Internet Guy
Philipp Markolin @philippmarkolin.eurosky.social Science blogger and communicator:
www.protagonist-science.com
My investigative book about the COVID-19 origin controversy and manipulation campaigns about it can be found here:
www.lab-leak-fever.com
Stephan Lewandowsky @lewan.uk Professor of Cognitive Science, University of Bristol. Homepage: https://www.lewan.uk
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
SciAm Union @sciamunion.bsky.social We are the staff of @sciam.bsky.social. Just as mitochondria are the powerhouse of cells, we are the powerhouse of the oldest continually published magazine in the U.S. ✊ wgaea.st/sciam-letter
Andrea Leinfelder @andrealeinfelder.bsky.social Space and science reporter @HoustonChronicle.com. Foodie, adventure seeker, mom of two kids and one dog. Send tips and favorite sci-fi references to Andrea.leinfelder@houstonchronicle.com.