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nuclear risk

A growing nuclear debate: The risk of calling everything a nuclear threat

By Chloe Shrager | Nuclear Weapons

How the fog of war in Ukraine increases the risk of escalation

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Risk

Why Russia is more likely to go nuclear in Ukraine if it’s winning

By Mariana Budjeryn | Nuclear Weapons, Opinion

Indian nuclear weapons, 2024

By Hans M. Kristensen, Matt Korda, Eliana Johns, Mackenzie Knight | Nuclear Notebook, Nuclear Weapons

United States nuclear weapons, 2024

By Hans M. Kristensen, Matt Korda, Eliana Johns, Mackenzie Knight | Nuclear Notebook, Nuclear Weapons

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

Putin threatens again: An updated timeline on potential nuclear escalation of the Russia-Ukraine war

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

2024 Doomsday Clock announcement

PRESS RELEASE: Doomsday Clock remains at 90 seconds to midnight

By Sarah Starkey | Doomsday Clock, What’s New at the Bulletin

Chinese nuclear weapons, 2024

By Hans M. Kristensen, Matt Korda, Eliana Johns, Mackenzie Knight | Nuclear Notebook, Nuclear Weapons

Hollywood, nuclear war, and the art of saving the world

By Emilia Javorsky | Disruptive Technologies, Nuclear Risk

Why a Russian nuclear expert thinks the Doomsday Clock should move away from midnight

By Pavel Podvig | Nuclear Risk, Nuclear Weapons, Opinion

This is a screenshot from a 1975 Bulletin magazine issue that focused heavily on the threats that humanity faced on the threshold of the last quarter of the Twentieth Century. From arms control discussions between the US and Soviet Union, to discussions on how to combat a mounting energy crisis, this issue features commentary from luminaries like historian Alice Kimball Smith and champion of free speech Samuel H. Day Jr.

An avid peace activist’s agenda from 1975

By Samuel H. Day Jr. | Nuclear Risk

This is a section of the cover of a 1984 Bulletin magazine cover that reads "This is a time when things must be done before their time." The issue focused on the Doomsday Clock moving forward from four minutes to three minutes to midnight.

Moving the Doomsday Clock forward in 1984: Three minutes to midnight

By A Bulletin editorial | Doomsday Clock