Read our breaking Ukraine coverage

nuclear weapons

How commercial satellite imagery could soon make nuclear secrecy very difficult—if not impossible

By Igor Moric | Nuclear Energy, Nuclear Risk, Nuclear Weapons

illustration of chess pieces made of flags of the nine nuclear weapons states falling over with Ukrainian flag in the background

Has the Russia-Ukraine war blown up the global nuclear order?

By Lauren Sukin | Nuclear Risk, Nuclear Weapons

Review: India’s “Rocket Boys” series fetishizes science—and the atomic bomb—in a dangerous way

By Urvashi Sarkar | Analysis, Nuclear Energy, Nuclear Weapons

An artist's rendition of Russian President Vladimir Putin's nuclear posture. Photo credit: kremlin.ru, changes made, CC BY 3.0.

Will Putin go nuclear? An updated timeline of expert comments

By Susan D’Agostino, François Diaz-Maurin | Nuclear Risk, Nuclear Weapons

US President Bill Clinton, Russian President Boris, Yeltsin, and Ukrainian President Leonid Kravchuk sign the Trilateral Agreement on transferring nuclear weapons from Ukraine to Russia and associated matters in Moscow, January 1994. Photo credit: Joseph P. Harahan, historian of the Defense Threat Reduction Agency, and the Clinton Presidential Library.

Why Putin’s betrayal of Ukraine could trigger nuclear proliferation

By Steven Pifer | Nuclear Weapons, Opinion

Making sense of North Korea’s recent ICBM and (possible) nuclear tests

By Seiyeon Ji, Victor Cha | Analysis, Nuclear Weapons

Rebuttal: Current nuclear weapons policy not safe or sane

By Stewart Prager, Alan Kaptanoglu | Analysis, Nuclear Risk, Nuclear Weapons

Nuclear Notebook: How many nuclear weapons does the United States have in 2022?

By Hans M. Kristensen, Matt Korda | Nuclear Notebook, Nuclear Risk, Nuclear Weapons

Russian President Vladimir Putin spoke at the military parade marking the end of World War II. May 9, 2022. Red Square, Moscow. Credit: Website of the President of Russia. CC BY 4.0.

On Victory Day, Putin points fingers but doesn’t escalate war

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Ukrainian refugees from 2022, crossing into Poland. Credit: Міністерство внутрішніх справ України. Accessed via Wikimedia Commons. CC BY 4.0.

How to host a refugee, spot fake war images, say “welcome” in Ukrainian, and more

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Illia Ponomarenko, defense reporter for the Kyiv Independent.

Illia Ponomarenko: Ukraine’s most-followed war journalist is a “dude” from Donbas

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

An artist's rendition of Russian President Vladimir Putin's nuclear posture. Photo credit: kremlin.ru, changes made, CC BY 3.0.

Will Putin go nuclear? A timeline of expert comments

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons