Paul Halpern @phalpern.bsky.social Physicist and Science Writer. Author of nineteen books, most recently THE GREAT ATOM DEBATE: ERNST MACH, LUDWIG BOLTZMANN, AND THE BATTLE FOR THE ESSENCE OF REALITY https://greatatomdebate.com/
sara filipovic @sarafilipovic.bsky.social Politics Fitness Yoga Travel
Claudia Sahm @claudia-sahm.bsky.social macro, fiscal, Fed. creator of the Sahm rule recession indicator. Stay-At-Home Macro (SAHM) Substack.
Rep. Melanie Stansbury (NM-01) @repstansbury.bsky.social Congresswoman representing New Mexico’s 1st Congressional District. Fighting for our future. Working to build a better world. Trail runner & chile connoisseur. ❤️🌶️
@horchatasob.bsky.social @horchatasob.bsky.social 
Sasha @typeofcrayon.bsky.social 📚 Book lover | Deep thinker | Forever curious
Finding wisdom in stories and life
Kyle Griffin @kylegriffin1.bsky.social @kylegriffin1 from that Twitter thing
Executive Producer @weeknightmsnow.bsky.social
NBER @nber.org The National Bureau of Economic Research is dedicated to conducting and disseminating nonpartisan economic research.
nber.org
Melina Edition @melinaedition.bsky.social Coloring Books - Self Publishing
https://www.amazon.com/stores/Melina-Edition/author/B0DNYS27P5/allbooks?ref=ap_rdr&isDramIntegrated=true&shoppingPortalEnabled=true&ccs_id=0b8bbcb1-3c60-45fa-bc76-301b81f4fa08
🇺🇸🇨🇦🇬🇧🇦🇺🇫🇷🇮🇹🇩🇪🇪🇸🇸🇪🇯🇵
Jennifer Robson 🇨🇦 @jrobson.bsky.social Assoc. Prof. MPM @Carleton; parent; gardener & sometime tradesperson; social & tax policy; worried about details
Chanda Prescod-Weinstein 🌌 @chanda.blacksky.app Theoretical Astro/Physicist:
https://chanda.science
First book:
https://tinyurl.com/DisorderedCosmos
BUY MY NEW BOOK:
https://tinyurl.com/EdgeOfSpaceTime
Blog:
news.chanda.science
all Black/all Jewish. 🏳️🌈/agender/woman.
Posts by/for me🖖🏽
Hillary Rodham Clinton @hillaryclinton.bsky.social Doting grandmother, among other things.
Melissa Gira Grant @melissagiragrant.com staff writer, @newrepublic.com // author, A WOMAN IS AGAINST THE LAW (2KTK, @littlebrown.bsky.social) + PLAYING THE WHORE (Verso)
// melissagiragrant.com
» melissa@melissagira.com
» tips (encrypted): melissagira.01 on Signal
@nyguild.bsky.social member
Michael Tomasky @mjtoma.bsky.social Editor, The New Republic. Editor, Democracy: A Journal of Ideas. Scribbler. Serbo-Calabrian West Virginia Episcopalian.
Chris Geidner @chrisgeidner.bsky.social Subscribe to www.lawdork.com for SCOTUS and other legal news. / lawdorknews@gmail.com / Signal: crg.32 / About me: Sober. Queer. Bipolar. Theater. Buckeye. And, now, F1. (I'm as surprised as you are.) / He/him.
Lizz Winstead she/her @lizzwinstead.bsky.social Comedian. Co-creator of The Daily Show. Abortion Czar and Founder of @AbortionAccessFront. Host Feminist Buzzkills podcast. Author, "Lizz Free Or Die" Lizz Winstead on Substack
Views are my own, not of the organizations I am affiliated with. #AbortionAF
Mary L Trump @maryltrump.bsky.social Mom. Wife. Author. Defender of democracy. marytrump.org
Laura Helmuth @laurahelmuth.bsky.social Freelance writer, editor, columnist & consultant. Formerly at Scientific American, Washington Post, National Geographic, Slate, Smithsonian & Science. Past president of National Association of Science Writers. Birder.
Mark Jacob @markjacob.bsky.social Former metro editor at Chicago Tribune and Sunday editor at Chicago Sun-Times. Co-author of 11 books, mostly on history. Writer of the Stop the Presses newsletter at www.stopthepresses.news. Subscribe!
Peter Coles 🏳️🌈 🏳️⚧️ 🇮🇪 @telescoper.bsky.social Theoretical astrophysicist specializing in the Universe and all that surrounds it. Based in Ireland. Personal account. Call me old-fashioned but I don't like fascists. He/him/his.
Blog: telescoper.blog
MAKS 26 👀🇺🇦 @maks23.bsky.social ☕️ buymeacoffee.com/MAKS22
🇺🇦 PayPal: maksmu24@ukr.net
👀 patreon.com/Maks24
FactPost @factpostnews.bsky.social Posting facts. democrats.org
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Axios @axios.com Smart Brevity worthy of people's time, attention and trust.
Subscribe to our newsletters: https://trib.al/8haeaPt
ANJEC @anjec.bsky.social Women-led state-wide environmental nonprofit
Proudly serving New Jersey's Environmental Commissions since 1969
www.anjec.org | info@anjec.org
Follow us on:
Instagram - @anjecposts
Facebook - @anjecpage
Youtube - @anjecviews
https://linktr.ee/ANJECposts
Callum Laing @callumlaing.bsky.social I help ambitious people raise capital, get board seats, take companies public. Let's get more entrepreneurs and builders on bsky!
Author of 4 best selling business books
Elizabeth Nolan Brown @enbrown.bsky.social sex, speech, tech, justice, parenting, politics, & panic ✨ senior editor @reason.com, journalism instructor at University of Cincinnati, Midwestern mom
Funranium (AKA Phil Broughton) @funranium.bsky.social The Cenobite of Sharing
The Black Blood of the Earth and Steins of Science guy. Everyone’s friendly internet laser safety officer and health physicist. Happy to answer Antarctica questions.
www.funraniumlabs.com
Gerry Doyle @mgerrydoyle.bsky.social Bloomberg News Global Defense Editor. Novelist, aviation geek, bartender, dad. Ex-NYT, Reuters. Grew up in Midwest, moved to Mideast. Views my own. Wrote a fun book about Chinese missiles: https://tinyurl.com/2p94pay6
Ad astra per aspera
Dan Nexon @dhnexon.net Professor in the Department of Government and the School of Foreign Service at Georgetown University.
Power Politics | Empires | International Order
dhnexon.net | https://www.lawyersgunsmoneyblog.com | duckofminerva.com
Stephen Schwartz @atomicanalyst.bsky.social Editor/Co-author, “Atomic Audit: The Costs and Consequences of US Nuclear Weapons Since 1940” • Nonresident Senior Fellow, Bulletin of the Atomic Scientists • Nuclear weapons expert (history, policy, costs, accidents) and tracker of the nuclear “Football.”
Emma Smith @ameliairheart.bsky.social 🏳️⚧️ she/her
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
Decker Eveleth @dexeve.bsky.social PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP. 
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Robert Farley @drfarls.bsky.social Co-founder Lawyers, Guns and Money. Works at Patterson School of Diplomacy and International Commerce at the University of Kentucky
Scott LaFoy @wslafoy.bsky.social Open Source Analysis of ballistic missiles, nuclear weapons, BMD, DPRK, & PRC.
Vice President of Nuclear and Technology Security Programs, Exiger.
Making podcasts over at https://www.armscontrolwonk.com/
All opinions my own.
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
Mike Eckel @mikeeckel.bsky.social Opponent of Quiet Desperation. Contains Multitudes. In Search Of Meanness Or Sublimity. Former Moscow Correspondent. Vladivostok Fanboy. Chaotic Good. @RFERL
Dan Vergano @danvergano.bsky.social Get AIP FYI Science Policy newsletter: https://www.aip.org/newsletters
Director Science Policy News, Editorial at AIP
Washington, D.C.
Opinions my own. Reposts are not endorsements.
Signal: Delta.357
https://www.linkedin.com/in/dan-vergano-93908b4/
Joseph Dempsey @josephhdempsey.bsky.social Research Associate for Defence & Military Analysis,
The International Institute for Strategic Studies
Joseph Trevithick @franticgoat.bsky.social ‘Punk' Journalist, Executive Editor
at The War Zone (https://www.thedrive.com/the-war-zone), and defense and security analyst.
Steffan Watkins 🇨🇦 @steffanwatkins.bsky.social I'm a writer and research consultant specializing in tracking ships and planes using publicly available information.
https://www.patreon.com/SteffanWatkins
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Steven J. Gibbons @stevenjgibbons.bsky.social Geoscientist (Computational Fluid Dynamics, Seismology, Tsunami++). Norgesvenn, Internationalist, European. Nor/Eng. Works for NGI but views here strictly mine. https://orcid.org/0000-0002-7822-0244
Bleddyn Bowen @bleddb.bsky.social Associate Professor of Astropolitics | Space warfare | Own views
Books: Original Sin http://bit.ly/3JYbcIe ; War in Space http://bit.ly/34Stplv 🏴🏳️🌈 🚀🛰
Web: https://tinyurl.com/p9pt8n9n
“He doesn’t see the stars - just the vast dark spaces in between.”
Geoff Brumfiel @gbrumfiel.bsky.social I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else.
ChatGPT describes me as: "Aerospace sleuth, nuclear nerd and NPR Superfan — with a side of surreal humor."
Signal: gbrumfiel.13
https://geoffbrumfiel.net/
Van Jackson @vanjackson.bsky.social The class politics of geopolitics. Newsletter, http://Un-Diplomatic.com. Co-host, https://www.BangBangPod.com; https://www.undiplomaticpodcast.com. 🇺🇸🇵🇭🇳🇿. https://www.vanjackson.org
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
Dan Kaszeta FRHistS @dankaszeta.bsky.social 🇬🇧 London-based. 🇺🇸/🇬🇧 dual citizen. CBRN expert. Freeman of the City of London. Liveryman. "Legal Juggernaut". Anglican. Ex Verger. Author. Fellow of the Royal Historical Society. Scourge of llamas. Former US Army. Former USSS. #NAFO Fella
Aaron Stein @aaronstein1.bsky.social President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own
Jade McGlynn @drjademcglynn.bsky.social Researches and writes on Russia, Ukraine, memory, propaganda 
Jamie Withorne @jamiewithorne.bsky.social Nuclear weapons, international politics, and “”emerging”” technology.
Doctoral Research Fellow in Political Science, University of Oslo
LearnWMD Spreadsheet and Substack: www.jamiewithorne.com
George William Herbert @georgewherbert.bsky.social IT/Cloud/SRE/PE, rockets & missiles, nukes not going bang, space, CS, ships. YIMBY & amateur transit geek. Part time adjunct @ miis.edu teaching Missiles & Missile Defense. I speak for myself only not $DAYJOB. V95.45XA I do #OSINT against nuclear missiles.
Laicie Heeley @laicie.bsky.social Founder & CEO @inkstickmedia.com. Host of Things That Go Boom from PRX & Inkstick. Former wonk.
Laura Grego @lauraegrego.bsky.social Senior scientist & research director, Global Security Program, ucsusa.org. Space, missile defense, nuclear weapons. 
Nick Kodama @nickkodama.bsky.social PhD candidate at Georgetown | Researching nukes, IR, Japan, East Asia | Also posting photos of my cat and food.
Tom Bielefeld @tombielefeld.bsky.social Researcher/Consultant/Trainer #NuclearSecurity & #Nuclear #Nonproliferation; @INS_Forum; @WINS_org; formerly Harvard's @BelferCenter; Chronotype/B, from #Bremen (Contact via https://sites.google.com/site/tombielefeld/)
Stephen Young @atomicwonk.bsky.social Advocate for more sensible nuclear weapons policies, firm believer that we should not live in a world where hundreds of millions could be dead in an hour. Associate Director for Government Affairs, Global Security Program, Union of Concerned Scientists
Catherine Dill @catherinedill.bsky.social Formerly known as atomic_pickles, but still thinking about atomic pickles. Fancies: gardens, birds, mountains & rocks, satellites, Delftware, N95s. She/her. Only personal views reflected.
Shea Cotton @sheacotton.bsky.social 
Dr. Taylor Loy @tayloraloy.bsky.social Virginia Tech Postdoc (STS), nuclear energy/nonpro. Former SRO instructor nuke worker. he/him.
https://tritiummatters.org
Diss:
https://hdl.handle.net/10919/120638
Day One:
https://fas.org/publication/fusion-energy-leadership-tritium-capacity/
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
Gregory Kulacki @gkucs.bsky.social Director, East Asia, Global Security Program, Union of Concerned Scientists. Non-Resident Fellow, Research Center for the Abolition of Nuclear Weapons at Nagasaki University. Cross-cultural sojourner.
Michael Duitsman @duitsmanms.bsky.social Fellow at the Foreign Policy Research Institute. Rocket propulsion and radiological security (usually not at the same time). Opinions my own. Faves/RTs ≠ endorsements
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Ulrike Franke @rikefranke.bsky.social Senior Fellow at European Council on Foreign Relations. #Drone politics PhD @ox.ac.uk. Teaches at @SciencesPo.bsky.social. Writes about all things #Germany #Defence #miltech. Podcast host at @SicherheitsPod.de & LeCollimateur
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
Aric Toler @aric.bsky.social Visual Investigations at The New York Times
Constanze Stelzenmüller @constelz.bsky.social Director CUSE, Germany explainer etc. @ Brookings; FT contributing columnist; Wizards Fan (I know). When the going gets tough, the tough go blonde. Pic: Marc Darchinger. Views my own, people.
Alexander Clarkson @aphclarkson.bsky.social Senior Lecturer for European Politics and History at King's College London. Opinions my own. RT not always endorsement.
Also to be found at @APHClarkson
https://www.ullstein.de/werke/die-macht-der-diaspora/hardcover/978354910
Seva @seva.bsky.social book: http://amzn.to/2oRD2yG. substack: https://hegemon.substack.com/
Stephanie Carvin @stephaniecarvin.bsky.social Former national security analyst, Associate Professor, Senior Fellow Centre for Strategic Statecraft. Research on national and international security based in Ottawa, Canada 🇨🇦
Sam Greene @samagreene.bsky.social Professor of Russian Politics, King's College London. Political sociologist. Progressive. Co-author, Putin v the People. 🇬🇧/🇺🇸
Paul Poast @profpaulpoast.bsky.social International Relations and Foreign Policy. UChicago Prof. Chicago Council Fellow. WPReview Columnist. Primarily on LinkedIN.
https://www.paulpoast.com/
Nada Bakos @nadabakos.bsky.social Former CIA analyst and social media alum. Now I mainly focus on being outdoors.
Bruno Tertrais @brunotertrais.bsky.social Deputy Director, Fondation pour la recherche stratégique.
Non-Resident Fellow, Institut Montaigne.
Geopolitics, strategy and stuff.
Personal account.
b.tertrais@frstrategie.org
Books: tinyurl.com/bdzbxnyx
Steve Saideman @smsaideman.bsky.social #CivMil relations; Director, @CdsnRcds; saideman.blogspot.com; Co-host, Battle Rhythm podcast cdsn-rcds.com/battlerhythm, International Relations professor. Used to study nationalism/ethnic conflict.
Sergey Radchenko @radchenko.bsky.social Historian of the Cold War and after. Wilson E. Schmidt Distinguished Professor, Henry A. Kissinger Center for Global Affairs, Johns Hopkins School for Advanced International Studies. The author of “To Run the World.”
Jim Goldgeier @jimgoldgeier.bsky.social Senior advisor, Bridging the Gap; Fellow at Center for Advanced Study and FSI Research Affiliate, Stanford; Non-resident fellow, Kennan Institute. Was a professor for 35 years and a dean for six. Views are my own. www.jamesgoldgeier.com.
Olya Oliker aka Dr. Olga Oliker (she/her) @olyaoliker.bsky.social Director, European Security @crisisgroup.org / Feminist / Migrant / ❤️ punk rock (but not only) / Opinions own / Endorsements clearly marked / podcast: https://www.crisisgroup.org/pod/europe/war-peace
Fabian Hoffmann, PhD @frhoffmann.bsky.social Doctoral Research Fellow at the Oslo Nuclear Project, University of Oslo. Defense policy, missile technology, and nuclear strategy.
Weekly analysis of missile tech, nuclear strategy, and European deterrence 👇
https://missilematters.substack.com/subscribe
Dave Schmerler @schmerler.bsky.social 
Ruth Deyermond @ruthdeyermond.bsky.social Senior Lecturer, Department of War Studies, King's College London. Russian foreign & security policy, US foreign policy, US-Russia relations, European security. Views are my own.
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
Andrey Baklitskiy @baklitskiy.bsky.social Nukes at UNIDIR. Views own, RT/❤️ ≠ endorsement
Andrew Facini @andrewfacini.com Senior Fellow, @councilonstrategicrisks.org working on nuclear weapons policy. Teaching and such at Harvard Extension. Views my own.
Nuke policy starter pack! https://go.bsky.app/8jiQV43
Adam Mount @ajmount.com Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.- W woolaf @woolaf.bsky.social Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.
Simon Frankel Pratt @simonpratt.bsky.social Political scientist at the University of Melbourne. Formerly of other places. Research: war, intelligence, innovation, and normative change in international politics. Cat paparazzo. He/Him 🇨🇦🏳️🌈✡️
Brian Weeden @brianweeden.bsky.social Space policy wonk, former engineer, husband, father, Dungeon Master, and all around geek. I post things I find insightful, informative, or provocative
Shower Cat @shower-cat.bsky.social A cat who took showers. 💔 Kittens who romp. 😻 My hooman is interested in cats, politics, Russia, Ukraine, and Central Asia, and nuclear weapons and nonproliferation but mostly cats
Togzhan Kassenova @togzhankassenova.bsky.social Almaty-born, DC-based expert on nuclear politics and financial crime prevention
Author of Atomic Steppe: How Kazakhstan Gave Up the Bomb (Stanford University Press, 2022)
http://www.togzhankassenova.com
Al Mauroni @progmil.bsky.social NatSec analyst, WMD and nukes, sci-fi enthusiast, gamer