Dr. Alex Parker @alexparker.bsky.social Exploration scientist, engineer, artist. Building things for space inspired by things in the sea, and things for the sea inspired by space. Discovered a few moons along the way. 
World War I As It Happened (1914) @warhappened.bsky.social I post stories, big and small, from the Great War, currently covering 1914. The project originally started at Twitter, https://x.com/WarHappened
Jessie Gender @jessiegender.bsky.social Director & Writer | IDENTITEAZE film | YouTuber | former writer/video producer at Gamespot, The Advocate, Microsoft, Out Magazine, Rotten Tomatoes, & Skybound | Trekkie by birth
https://www.jessieearl.com/
ID4 in Real Time @1996id4.bsky.social Skeeting the sights, sounds, & news from 1996's historic alien attack & subsequent global (read: American) military response in real time. #IndependenceDay #ID4
Sky Marchini @sky.skymarchini.net economist, ๐จ๐ณ, policy research. this is for display purposes only. ๐งธ contact: robertmarchini1993 at gmail. ๐ณ๏ธโ๐ they/them. new jersey resident. https://skymarchini.net/
Paige Madison @fossilhistory.bsky.social Science writer. STRANGE CREATURES ๐ coming 2027 .
Editor, PBS Eons. PhD, history of science.
Rita Parai @ritaparai.bsky.social Associate Professor at WashU | noble gas advocate | interests include rocks, tiny bolts, and monks who were mad at each other
Max Lechte @maxlechte.bsky.social Using geology to better understand the ancient world and the origins of complex life. Research Fellow at the School of Geosciences, University of Sydney
Cheryl Rofer @cherylrofer.bsky.social Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos on environmental cleanup, nuclear nonproliferation, and the nuclear fuel cycle.
She/her.
Blogs at Nuclear Diner and Lawyers, Guns & Money
Photo: Semipalatinsk Nuclear Test Site
Duane Froese @tephrafan.bsky.social naturalist | professor | ualberta | northern research | permafrost | Quat Geo | working with northern communities | PACS Lab | Rett Syndrome | he/him
Matthew R Francis (see pinned) @matthewrfrancis.bsky.social Science journalist and writer, cat man, hat man, music man, queer. So very tired. He/him. Signal: BowlerHatScience.51
Planetary Crater Consortium @planetarycraters.bsky.social The PCC is a community organization of planetary scientists interested in impact cratering on solar system bodies (planets, dwarf planets, moons, asteroids, and/or comets), including observational, theoretical, experimental, and numerical modeling studies.
Harold Tobin @haroldtobin.bsky.social UW prof and director of the Pacific Northwest Seismic Network. WA State Seismologist. All about subduction zones and very messed up rocks.
Ed Zitron @edzitron.com British, But In Las Vegas and NYC
ezitron.76 Sig
Newsletter - wheresyoured.at
https://linktr.ee/betteroffline - podcast w/ iheartradio
Chosen by god, perfected by science
CEO at EZPR.com
Larry Collins @kyanite-enthusiast.bsky.social Yes, I came back! Climate Scientist, Geo. Ed. Researcher
Proud alum of WSU, MS State, and Mansfield U.
#DBER #GER #climate
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at WashU โข NASA Planetary Data System Geosciences Node Director โข Explorers Club EC50 โข eeps.washu.edu/people/paul-byrne โข he/him
Marena Lin for Congress, CA-32 @marenalinforcongress.com Daughter of immigrants, climate scientist, union organizer, public health software engineer running to replace Brad Sherman in CA-32
www.marenalinforcongress.com
The Weekday @professormusgrave.bsky.social Professor of political science. Willing expat becoming an unwilling emigre. Essentially millennial, analytically millenarian. https://musgrave.substack.com
David Wilson @astrodave2.bsky.social Astronomer at CU Boulder. I look at small stars with space telescopes. In my spare time I run medium distances, build and paint various tiny plastic people and visit old ships. He/Him
Rowan Martindale @rowanmartindale.bsky.social Associate Professor @ UT Austin researching extinctions (global carbon cycle perturbations), reef ecosystems, & exceptional fossilization. She/her/hers ๐จ๐ฆ
Lisa Falk @serpentinator.bsky.social Here to learn
Rowena Lohman @rowenalohman.bsky.social InSAR! ๐ฆOn my radar: Earthquakes, subsidence, land surface properties and change detection. ๐ณ๏ธโ๐ ๐ณ๏ธโโง๏ธ ๐๐ค๐๐ค
Personal account
Val Syverson ๐ท๏ธ @vjpsyverson.bsky.social Paleontologist, teacher, parent, biophile, UU, intellectual omnivore. Topics: natural history, nerd stuff, surviving the culture war. Tenuous professor at UC Davis. Allergic to puns. (protogynous, he/they/รei; Dr.)
๐ณ๏ธโ๐๐ต๐ธ๐บ๐ฆ๐น๐ผ
Pearl Jam @pearljam.com The official Bluesky account of Pearl Jam. www.pearljam.com
SeismoSue @seismosue.bsky.social Earthquakes, history of science, dogs, travel, democracy, and more. Grandma of 5 boys & 1 spider. Recovering from bird flu.
Anita S Marshall @bakingsodavolc.bsky.social Geology lecturer working towards better access and inclusion in STEM for ppl with disabilities. Leader of GeoSPACE Accessible field course. #Choctaw. #DisabledInSTEM.
Shergottite @shergottite.bsky.social I like rocks, space, rocks from space, rocks from space that originated from Mars, and dogs. Cats too, I guess. Oh, I like to play video games. 
SUE the T. rex ๐ฆ @suethetrex.bsky.social Thatโs Specimen FMNH PR 2081 to you. they/them
Dykanite @dykanite.bsky.social Geologist & Volcanology PhD Candidate ๐
Geochem โ๏ธ Marine geo ๐
LGBTQ in Science ๐๏ธ๐ก๏ธ
325k on TikTok
@upulie.bsky.social @upulie.bsky.social Humble polite inconsequential scientist.
โGarlic and sapphires in the mudโ
David Rankin @asteroiddave.bsky.social Comet & Asteroid Hunter, Geology & Paleontology Buff, Photographer, Birder, Storm Chaser, Flood Guru, Atheist.
Bear and Gizmo @booplefloof.bsky.social Welp. Weโre here now too 
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...
Gene J. Mikulka @genejm1017.bsky.social Founded the Talking Space Podcast in 2009.
Immersed in spaceflight since the Apollo days, Space Advocate and lovebird Dad. All Opinions are mine alone and don't reflect the position of the podcast. https://www.talkingspaceonline.com
Angela Marusiak @planetaryquakes.bsky.social Planetary scientist looking to see whatโs shaking in our solar system, currently an Asst. Research Professor at LPL. Thoughts are my own, not my employers ๐ช ๐๐
Annabelle Foster @geologytalk.bsky.social ๐จ Illustrator // Volcanologist
๐ Durham University
๐งฌ Freelance illustrator for Nature journals
๐ linktr.ee/annabellefoster
Hope Jahren @realhopejahren.bsky.social The scientist formerly known as Lab Girl.
I write books: https://www.penguinrandomhouse.com/authors/2111914/hope-jahren/
Climate Central @climatecentral.org Researching and reporting the science and impacts of climate change ๐
Shel Winkley @shelwinkleywx.bsky.social @climatecentral.org | Former @kbtx.com Chief Meteorologist | AMS CBM #780 | TAMU Class of 2007 | ๐ด ๐ Climate Change is Real.
Paula Antoshechkina @magmagirl.bsky.social Research Scientist in Geological & Planetary Sciences at Caltech, MAGMA@Caltech (magmasource.caltech.edu), alphaMELTS@CIT, wife, mother, ๐ฌ๐ง๐ฎ๐ช in ๐บ๐ธ, music ๐ช, dance, views my own
Mineralogical Society of America @mineralsocamerica.bsky.social Founded in 1919, the MSAโs mission is to diligently work on the advancement of mineralogy, crystallography, geochemistry, petrology, and promotion of their uses in other sciences, industry, and the arts. Website: msaweb.org
Paul Wennberg @paulowennberg.bsky.social Atmospheric Scientist at Caltech. Troll to my children. Views my own.
wennberg@caltech.edu
@jsetera.bsky.social @jsetera.bsky.social Planetary Geochemist | UTEP | Amentum JETS Contract at NASA JSC| Rutgers and U. New Hampshire Alumni | Opinions My Own
Phil Stooke @philstooke.mastodon.social.ap.brid.gy Professor Emeritus, University of Western Ontario. Space exploration and planetary cartography, historical and present. A longtime poster on [โฆ]
๐ bridged from โ https://mastodon.social/@PhilStooke, follow @ap.brid.gy to interact
Ms. Magary Physics @msmagaryphysics.bsky.social Physics and AP Physics teacher in the SF Bay Area #iteachphysics #modphys #EDUsky #NGSS
I also like rocks ๐ planets ๐ช stars โจ and organized labor ๐ช
Erika @elevatedmn.bsky.social Groundwater, hydrogeology, public utilities for the public. Probably too much manganese. Just Give People All The Things! Also love books, Judaica, and cats. she/her. #QueerInSTEM
NASAaarrr @nasaaarr.bsky.social Challenge the Embrace.
Not a NASA account. Not a real pirate either, but salty nonetheless.
The Nickel Nerd @ltrytten.bsky.social Canadian first. Critical metals for the energy transition - development, processing, impacts. Most professional stuff on LI. Also comments on transportation, urban design, and political systems. And other life matters...
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
Earth Science Women's Network (ESWN) @earthsciencewomen.bsky.social A discussion group for women and non-binary persons in the earth and environmental sciences and related disciplines. Moderated by the Earth Science Women's Network (ESWN) https://eswnonline.org/. 
Dr. Dawn Wright @deepseadawn.bsky.social Seafloor mapper, Chief Scientist of smart mapping company Esri, Oregon State U. GIS/oceans professor, EC50, cyclist, 1st Black submersible diver to Challenger Deep, builds w/LEGO, raised in Hawaii. NAS, NAE, ORCID 0000-0002-2997-7611; She/her; views mine
Liz Mahon @sedsnseismic.bsky.social ๐ฆ๐บ Postdoc at Uni Utah | Sedimentology, stratigraphy, ancient environments
Anna Ruefer @annaruefer.bsky.social PhD candidate at Stanford. Geology, volcanology, igneous petrology. I study magma and make puns. ๐
Abigail Fraeman @abbyfrae.bsky.social Planetary scientist. Deputy Project Scientist for Curiosity and (formerly) Opportunity Mars rovers. Muppet aficionado. Views and opinions my own. She/her.
@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)
Allie North @alliecnorth.bsky.social Fulbright Research Grantee 2025-26
Baylor Geosciences BS โ25
Gavin Schmidt @climateofgavin.bsky.social Climate scientist, juggler. Bikes etc. Blogging at https://www.realclimate.org - data visualization, explainers, and debunking.
Katie Gansler @planetarykg.bsky.social U. of Maryland Geology graduate student, JPL Solar System Ambassador, semi-professional space nerd and queen of whacky seismology
Nola Taylor Tillman @astrowriter.bsky.social Freelance science journalist with a focus on space & astronomy. Mental health expert - as in, I deal with it every day, not that I have a degree. Love to learn. www.astrowriter.com
Formerly Nola T Redd
she/her
Jackie Clark @geojackjack.bsky.social Asst. Research Scientist at UMD, avgeek, gardener, parent & occasional rock licker. Will take strike & dip measurements for fun. Opinions expressed are solely my own.
Alyssa Mills @alyssacmills96.bsky.social Planetary geophysicist | PhD candidate @ Baylor | Research: potential fields, geodynamics, ML, & chaos on mostly icy worlds but some dabbling on Venus | John Mather Nobel Scholar | x8 NASA intern | Clipper G/RS graduate affiliate
Erin Ryan @erinleeryan.bsky.social Doctor of space rocks turned professional curser at computers. Human of Freya the dog and of Modicello the garden ๐ฑ (USDA 7b). Does crochet ๐งถ in her off time, also cooks a lot ๐ฝ
Lizzy Trower @lizzyt.bsky.social Process sedimentology + geobiology; assoc. prof. @ CU Boulder; queen of ooids; (ultra)trail running + dog petting; opinions are my own. she/her
Dr Elisabeth Kosters @elisabethkosters.bsky.social Earth Scientist, living on the shore of hypertidal Minas Basin in Nova Scotia; writes about it on www.earthsciencesociety.com Born at 312ppm. Widow, (grand)mother, leftie. Fossil fuel burning causes global warming. ๐จ๐ฆ ๐ ๐ฒ ๐ณ๐ฑ
Stephanie Drumheller @uglyfossils.bsky.social Studying the evolution of archosaurs and their behaviors, one ugly fossil at a time. she/her
Dr. Heather McFarlin @volcanoheather.bsky.social Mom, Alaska seismology, volcanology, LGBTQ+ rights, abortion advocate, social justice and equity.
Dr Janine Krippner @janinekrippner.bsky.social Kiwi volcanologist working on Ngฤuruhoe (Mt Doom) in NZ, the 2021 La Palma/Tajogaite eruption impacts, seafloor geologic hazards I 'On Shaky Ground' writer
Jeffrey Kargel@icymarsman.bsky.social @icymarsman.bsky.social Earth & Planetary scientist, enthralled with nature
Mara Reed @geyserite.bsky.social Postdoc at the National Cave and Karst Research Institute, New Mexico Tech. Geyser researcher/appreciator/zealot and caver. Seldom poster, frequent lurker. My opinions do not represent my employer's.
Dr. Summer @dr-worninger.bsky.social Tectonic Geologist
Becky Nesel @geobeck.bsky.social on a mission to see as many cool rocks as possible (and show you why theyโre cool)
Science Daddy @sciencedaddy.bsky.social Solar System, Space, and Science. NASA JPL. ๐ณ๏ธโ๐ Pride ๐ณ๏ธโโง๏ธ Ally. Knowledge is Power.
Jessica Irving @jessicairving.bsky.social Seismologist, working on deep Earth wiggles with a side-order of Mars. Associate Prof. at U Bristol. She/her
RockDefTUD @rockdeftud.bsky.social We are the Rock Mechanics lab at TU Delft. We will post about the rocks we break and the resulting science. By Anne Pluymakers and Auke Barnhoorn
Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Martian Geologist @martiangeologist.bsky.social Currently pursuing a PhD in Astronomy & Planetary Science. I study the mineralogy and geochemistry of Martian analogs. โจ๐ช๐ฝ Oh and I have cats. ๐ ๐โโฌ
Throne.com/martiangeologist
Sara McCullough @s-mccullough.bsky.social PhD student โช๏ธ paleoclimate studies โช๏ธ lake sediments โช๏ธ Rocky Mountains โช๏ธ she/her โช๏ธ views are personal
I like sand. It's coarse and rough and gives me data.
Dr Laura Gregory @drlauragregory.bsky.social Earthquake geologist at the University of Leeds, UK. Posting about all things earthquakes, and what it's like to be a mum in academia.
Hailey - Queen of Moon Rocks @queer-moon-rock.bsky.social Be gay, do crime (preferably on the moon) | Project Manager of Spaceships | My opinions are my own | ๐ณ๏ธโ๐๐ณ๏ธโโง๏ธ she/they
Heather Handley @heatherkhandley.bsky.social Volcanology | Geoscience Communication | Co-Founder Earth Futures Festival | Co-Founder WOMEESA | #Volcano #SciComm #Geoscience #Geoheritage
Emma Pearson @geochemem.bsky.social Quaternary environments, palaeolimnology, organic geochemistry, Africa to Antarctica ๐๐ฆ๐ถ๐ฉโ๐ฌ and ๐ต๐ป
https://www.ncl.ac.uk/gps/staff/profile/emmapearson.html
Jess @geochemjess.bsky.social Hydrothermal Vent (Bio)Geochemist | PhD Candidate
๐๐๐งช
Stephanie E. Suarez @geologiststephy.bsky.social Geologist with a lot of dogs and plants
Alison Koleszar (she/hers) @akoleszar.bsky.social Enthusiast of volcanoes, geochemistry, parenting, & pedagogy. Senior Lecturer @ Colgate University. She/her. 
Adriana Guatame-Garcรญa @adriguatame.bsky.social Assist. Prof. in Critical Mineral Resources at the University of Calgary | Science & Policy | GeoLatinas | ๐จ๐ด๐ณ๐ฑ๐จ๐ฆ | she/her/ella
Posts in English & Espaรฑol
Maitri @maitri.vatul.net Geoscientist, technologist, multilingual. Thinks a lot about rocks, data, science fiction, pop culture, and the future of earth. Personal account.
Mariek Schmidt @marschm.bsky.social Volcanologist Petrologist on Earth and Mars, Professor and Chair of Earth Sciences at Brock University, Canada. Mom of two humans, one cat, one dog
Miki Nakajima @mikinakajima.bsky.social Associate Professor at the University of Rochester. Smashing planets in my computer is my hobby.
Ethan Baxter @ethanrockstory.bsky.social Boston College professor, associate dean, teacher, GEOchemist, hiker, husband, father, storyteller. He/him. Inspiring the world about the wonders of the Earth with "Every Rock Has A Story" YT series.
https://www.youtube.com/@EveryRockHasAStory
Jasmine ๐๐ญ @astrojaz.bsky.social ๐ช utsa/swri physics grad student | โ๏ธ europa clipper grad affiliate | ๐ nasa solar system ambassador
space news โข photos โข facts โ links
https://beacons.ai/astrojaz
Luisa Hendry - scottishgeologist @scottishgeologist.bsky.social That Girl That Makes Videos About Rocks ๐๐ชจ
Geology Communicator ๐
Scot Rock Walks - Scottish Geology Tours Ltd ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟโฐ๏ธ
600k followers across platforms โ๏ธ๐
Top 20 women in the UK in ground engineering ๐ท๐ผโโ๏ธ
R.H Worth Award
Excellence in Outreach ๐ฆ๐ฆ
Carl T. Bergstrom @carlbergstrom.com Professor, UW Biology / Santa Fe Institute
I study how information flows in biology, science, and society.
Book: *Calling Bullshit*, http://tinyurl.com/fdcuvd7b
LLM course: https://thebullshitmachines.com
Corvids: https://tinyurl.com/mr2n5ymk
he/him
Assoc Prof Robyn Pickering @pickeringrobyn.bsky.social Assoc. Professor University of Cape Town, South Africa ๐ฟ๐ฆ Co-director Human Evolution Research Institute | geology, isotopes, U-Pb dating carbonates, human evolution, southern African palaeoclimates | equitable fieldwork | decolonisation |she/her
Emily Mixon, PhD @emilyemixon.bsky.social Rock Doc | Isotope Geochemist + Lab Wrangler | UW-Madison U-Series "SLEUTh" Lab | Geochronology | Solid Earth/Climate | She/Her | Cat Mom + Solo Human Mama | Books + Snacks + Run + Bike | Tex-Pat in Wisconsin | Views = Own | https://www.emilyemixon.com/
Christina Viviano @cviviano.bsky.social 
Seth Jacobson @sethajacobson.bsky.social Planetary Scientist @MSU www.planetarymakerspace.org
Charlotte L. Devitre @cljdevitre.bsky.social Postdoctoral scholar at UC Berkeley | Volcanoes๐ Spectroscopy โก, inclusions, aerosols, human health | B.S. Universidad de Costa Rica | PhD Cornell University | Volleyball๐amateur photographer ๐ทโค๏ธ hybrid human ๐จ๐ท ๐ซ๐ท ๐ฎ๐ณ ๐จ๐ฆMy views are my own