The Onion @theonion.com America’s Finest News Source. A @globaltetrahedron.bsky.social subsidiary.
Get the paper delivered to your door: membership.theonion.com
Join The Onion Newsletter: https://theonion.com/newsletters/
AtomCentral @atomcentral.bsky.social Preserving and restoring the nuclear testing era.
The Atlantic @theatlantic.com Exploring the American idea through ambitious, essential reporting and storytelling. Of no party or clique since 1857. http://theatlantic.com
TWZ @twz.com Celebrating 10 years of being the best offense for the world of defense.
NY Times Pitchbot @nytpitchbot.bsky.social I have never felt more politically homeless. Parody. Merch: https://tinyurl.com/msjjmwpt
Abu Aardvark @abuaardvark.bsky.social Marc Lynch. GW Professor, POMEPS commander, Brewers fan. The one true Abu Aardvark. AMERICA’S MIDDLE EAST. Find me at https://abuaardvarkghost.ghost.io
@biodefensecomm.bsky.social @biodefensecomm.bsky.social 
Active Site @activesite.bio Measuring frontier AI in synthetic biology: activesite.org
Jacob Ware @jacobware.bsky.social Studying terrorism and extremism. Opinions are my own and RT ≠ endorsement.
https://bookshop.org/p/books/god-guns-and-sedition-far-right-terrorism-in-america/20097522?ean=9780231211222&next=t
Johns Hopkins Center for Health Security @centerforhealthsecurity.org We work to protect people’s health from the consequences of epidemics and disasters. RTs are not endorsements.
https://centerforhealthsecurity.org/
Pranay Vaddi @pranayrvaddi.bsky.social pers acct. fmr NSC46, State Dept. nukes, nonpro, arms control. Husband + suburban dad. All tweets/rt are my views alone.
https://strategicsimplicity.substack.com/
Rabia Akhtar @rabsaa.bsky.social Visiting Scholar, MTA, Belfer Center, HKS | Dean Social Sciences, University of Lahore, Director CSSPR https://csspr.uol.edu.pk/ PhD Security Studies, KSU | Author, The Blind Eye: US Nonprolif Policy towards 🇵🇰 Free e-book: https://csspr.uol.edu.pk/f2c
John Carl Baker @johncarlbaker.bsky.social foreign policy, international peace and security, nuclear weapons, antiquity
Words: Nation, Bulletin of the Atomic Scientists, NK News, US Institute of Peace, New Republic, elsewhere
seniores tollunt omnia
Dr. Heather Williams @heatherwilly.bsky.social Director, Project on Nuclear Issues (PONI) and Sr Fellow, Defense and Security Department at CSIS
Associate Fellow, Project on Managing the Atom at Harvard Kennedy School
New Yorker by birth, Bostonian by choice
Asia-Pacific Leadership Network @apln.network A network of political, military, diplomatic and thought leaders in the Asia-Pacific working to address security challenges and eliminate nuclear weapons risks.
Eliana Johns @elianajjohns.bsky.social Senior Research Associate with Nuclear Information Project @ Federation of American Scientists & Grad Student @ Georgetown SFS | Talks about nukes and satellite imagery | (views are my own)
Dylan Spaulding @dkspaulding.bsky.social Senior Scientist, Union of Concerned Scientists, Global Security Program. Views are my own.
Blog: blog.ucsusa.org/author/dylan-spaulding/
Maaike @maaikeverbruggen.bsky.social non-practicing intellectual on war & tech
NL/EN
Rivet Amber @rivetamber.bsky.social Math, Physics, Computer hardware & Nuclear weapons history.
Chase @chalexthegreat.bsky.social Nuclear weapons policy wonk. Opinions my own.
SOMA
RTs≠endorsements. he/him/his
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/)
Nick Kodama @nickkodama.bsky.social PhD candidate at Georgetown | Researching nukes, IR, Japan, East Asia | Also posting photos of my cat and food.
@emmaclairefoley.bsky.social @emmaclairefoley.bsky.social 
François Diaz-Maurin @francoisdm.bsky.social Nuclear editor @thebulletin.org. Fmr MacArthur Found. & Marie S.-Curie fellow @stanfordcisac.bsky.social. Fmr engineer in US/French nuclear ind. 1st gen. Father x3. Cello. Synthbass. Kyokushin. Autism. | Tips: francois@thebulletin.org Signal: francoisdm.21- W woolaf @woolaf.bsky.social Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.
Alex Bollfrass @bollfrass.bsky.social Nuclear weapons and intelligence history.
James Schmeling @jschmeling.bsky.social Founder, Arsenal Industrial Restoration Partners. Restoring capacity. Rebuilding Readiness. Matching/restoring facilities with defense and commercial manufacturers. USAF veteran (AFTAC). President & CEO, National Defense University Foundation.
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
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
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.
🇵🇸Martin “Doomsday” Pfeiffer🖖🏳️🌈 @nuclearanthro.bsky.social Anthro PhD Candidate.
nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc.
QUEER
RT/Fave/etc ≠agree
he/him
http://patreon.com/nuclearanthro
http://paypal.me/nuclearanthro
https://osf.io/46sfd/
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
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
Lindsay Rand @lrand11.bsky.social Research scholar @ Berkeley Risk and Security Lab || Carnegie Non-Resident ||socio-technical analyses for nuclear, quantum, and “emerging” tech || PhD from UMD
Frank Kuhn @frankkuhn.bsky.social Doctoral Researcher @PRIF.org // Nuclear Deterrence and Arms Control // Cold War History // Military Technology, Operations and Strategy // Opinions my own
Marion Messmer @mgmessmer.bsky.social Programme Director for International Security at Chatham House
Former BASIC, King's College London
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.”
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Nukes of Hazard @nukesofhazard.bsky.social Center for Arms Control and Non-Proliferation. Working to limit & eventually eliminate the nuclear threat through Congressional & public outreach.
https://armscontrolcenter.org/
Laura Grego @lauraegrego.bsky.social Senior scientist & research director, Global Security Program, ucsusa.org. Space, missile defense, nuclear weapons. 
Ward Hayes Wilson @wardhayeswilson.bsky.social Realist working to eliminate nuclear weapons. (Not an IR “Realist,” just, you know, an everyday realist.)
Dr. Tara Drozdenko @tdrozdenko.bsky.social Director, Global Security Program @Union of Concerned Scientists. Working to reduce the risk of nuclear war, address the injustice and harm done by nuclear weapons, and move us closer to a world free from nuclear weapons. Oxford Comma enthusiast.
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/
War on the Rocks @warontherocks.bsky.social Experience. Conflict. Commentary.
Join our community: https://warontherocks.com/membership/
@macfound.org @macfound.org 
ProPublica @propublica.org Investigative journalism in the public interest. Headlines and (sometimes literal) receipts.
propublica.org
Mick Ryan @warinthefuture.bsky.social Strategist, Leader & Author | Retd Army Major General | Senior Fellow in Military Studies @LowyInstitute | @CSIS | Modern & Future war studies | Futura Doctrina substack | #BannedInRussia
Amy J. Nelson @amyjnelsonphd.bsky.social Foreign Policy & National Security
Nuclear and AI Futures
Senior Fellow, Future Security Program, New America
Adjunct Faculty, Georgetown University
Hanna Notte @hannanotte.bsky.social Russia | Director for Eurasia @JamesMartinCNS | Snr Associate @csiserep | Fellow @kennaninstitute | Book: WE SHALL OUTLAST THEM | http://hannanotte.com | Berlin-based
Eric Brewer @ebrewer.bsky.social Deputy VP at Nuclear Threat Initiative. Previously Director for Counterproliferation at the National Security Council and Deputy National Intelligence Officer for WMD at the National Intelligence Council. Personal account/views my own.
Gigi Gronvall @ggronvall.bsky.social Professor, Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering. 1st Hopkins prof to be a Marching Raven! gigigronvall.com
Saskia Popescu @saskiapopescu.bsky.social Infectious disease epidemiologist & global heath security strategist | GHSN CEO |UMB Asst Prof working in pandemic prep, biosurveillance, One Health, AMR, BW & biosecurity. ELBI & CFR ☣️
Biopreparedness & biothreat guru - movie aficionado. Views=my own
Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Ryan Evans @ryanevans.bsky.social Founder, War on the Rocks (warontherocks.com) and Bedrock Knowledge (thebedrock.co). Opinions are my own. I'm not a journalist so please don't mistake me for one.
Jon B. Wolfsthal @jonatomic.bsky.social Nuclear Fellow @ Pax Sapiens, former Bulletin of Atomic Scientists and State Department International Sec Advisory Board, CNAS Sr. Fellow, former National Security Council. No #manels, Yankees/Gunners.
Dr Ian J Stewart @ian-j-stewart.bsky.social 🏴🇬🇧ExecDir James Martin Center for Nonproliferation Studies DC @miis Past @DefenceHQ, @warstudies. Nonpro, emerging tech, China. Nuc engineer. Phd War Studies. http://nonproarchive.com
Carol Giacomo @carolgiacomo.bsky.social Editor, Arms Control Today. Ex: @NYT editorial board, Reuters diplo correspondent. Teaching: @Princeton, @FordSchool, @IUMedia, @IOP
PRIF @prif.org PRIF – Peace Research Institute Frankfurt //
PRIF – Leibniz-Institut für Friedens- und Konfliktforschung
Impressum: http://bit.ly/2zfZdpm
SIPRI.bsky.social @sipri.org SIPRI is an independent international institute dedicated to research into conflict, armaments, arms control and disarmament.
Website🔗: https://www.sipri.org/
Subscribe🔔: http://bit.ly/SIPRIsubscribe
Kelsey Atherton @atherton.bsky.social War, robots, & bad futures but imagining better. I edit @cipolicy.bsky.social's International Policy Journal, opinions my own. Unitarian Universalist. He/him. Husband to @alymay.bsky.social & father of 2.
Front takes towards enemies.
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
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. 
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
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
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.
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
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
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
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/
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 
Nina Tannenwald @ninatannenwald.bsky.social Political scientist at Brown, focusing on nuclear weapons, WMD, norms and institutions in security, human rights, ethics and laws of war.
Camille Grand @camillegrand.bsky.social Secretary General @asdeurope.bsky.social Previously Distinguished Policy Fellow @ecfr.eu Former senior official @NATO, Ministère des Armées, Ministère de l’Europe et des Affaires Étrangères and think tanker at FRS…
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
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
New America @newamerica.org We are generating big ideas and bold solutions for a new America.
The Center for a New American Security @cnas.bsky.social The Center for a New American Security develops strong, pragmatic, and principled national security and defense policies. Join us: cnas.org/join.
Foreign Policy @foreignpolicy.com The magazine for global politics, economics, and ideas.
https://foreignpolicy.com/
Foreign Affairs @foreignaffairs.com A magazine of U.S. foreign policy and international affairs, founded in 1922. https://www.foreignaffairs.com/
Sign up for our newsletters here: http://foreignaffairs.com/newsletter
Caitlin Talmadge @proftalmadge.bsky.social MIT professor, Brookings senior fellow, series editor at Cornell Press ⎮ Foreign policy, military operations, civil-military relations, nuclear weapons, authoritarianism ⎮ Views are my own ⎮ Book: The Dictator's Army
https://www.caitlintalmadge.com/
Tom Z. Collina @tomcollina.bsky.social Senior Policy Advisor, Ploughshares Fund. Coauthor, THE BUTTON. Proud husband, father, dog-person.
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
David E. Hoffman @davidehoffman.bsky.social davidehoffman.com — The Oligarchs, The Dead Hand, The Billion Dollar Spy, and Give Me Liberty. Washington Post 2023 editorial series “Annals of Autocracy”: https://wapo.st/3K8LVNd
Federation of American Scientists @scientistsorg.bsky.social Striving for a safer world since 1945
science policy | nuclear weapons | clean energy | STEM education | artificial intelligence | data privacy | much much more
Eirini Lemos Maniati @eirinilemosm.bsky.social Head Arms Control Disarmament and WMD Non Proliferation @ NATO
Michael Horowitz @michaelhorowitz.bsky.social Geopolitical and security analyst, Views are my own.
UC Institute on Global Conflict and Cooperation @ucigcc.bsky.social IGCC is a research network comprised of scholars from across the University of California who produce and use research to help build a more peaceful, equitable world. 
RUSI @rusi.bsky.social Royal United Services Institute for Defence and Security Studies. Founded in 1831, RUSI is the oldest defence and security think tank in the world.
Website 💻: https://rusi.org/
WhatsApp 📱: https://bit.ly/4h0M5FQ
Oliver Meier @olivermeier.bsky.social Head of Programme on Nuclear and Multilateral Disarmament
at the European Leadership Network @theeln.bsky.social, based in Berlin.
WMD elimination through arms control, disarmament, nonproliferation.
Personal views only.
Jane Vaynman @janevaynman.bsky.social Assistant Professor of Strategic Studies at Johns Hopkins SAIS. I study arms control, nuclear weapons, international institutions, and emerging technology.
Tristan A. Volpe @tristanvolpe.bsky.social Assistant Prof, Naval Postgraduate School; Nonresident Fellow, Carnegie Endowment. Author of LEVERAGING LATENCY (http://bit.ly/3RXHUhM).
https://tristanvolpe.com
RAND @rand.org We arm leaders with the information they need to tackle the toughest policy problems. Nonprofit, nonpartisan. 📥 Get our newsletter: https://bit.ly/4haSUVK
www.rand.org
Mackenzie Knight-Boyle @mknight.bsky.social Research and Project Manager @ Federation of American Scientists - Nuclear Information Project
Mother to a demonic chihuahua named Pippin 🐾
Views are my own
Ben Loehrke @nonstrategic.bsky.social Program Officer for Nuclear Weapons at Stanley Center for Peace and Security
Ex-Twitter @nonstrategic
https://stanleycenter.org
The Washington Post @washingtonpost.com Democracy Skies in Blueness
Nuclear Threat Initiative @nti.org A nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging tech threats imperiling humanity.
Nickolas Roth @nickolasroth.bsky.social Nuclear weapons, nuclear security, BBQ, Senior Director
@NTI_WMD, Research Fellow @CISSMaryland. Previously @ManagingtheAtom, @StimsonCenter @UCSUSA etc.
.
Council on Strategic Risks @councilonstrategicrisks.org CSR is dedicated to anticipating, analyzing and addressing core systemic risks to modern security. We work on climate and ecological security, biological and nuclear security, and track emerging risks as new technologies disrupt across all domains.