Watch the 2021 Doomsday Clock announcement LIVE on January 27 at 10am EST

nuclear testing

Why Biden should push for ratification of the Comprehensive Test Ban Treaty

By Togzhan Kassenova | Nuclear Weapons

An anti-neutron bomb demonstrator is arrested for sitting in on 5th Ave, New York, New York, August 13, 1981. (Photo by Allan Tannenbaum/Getty Images)

1961: The neutron bomb

By Freeman Dyson | Nuclear Weapons

Nuclear test time-lapse map

Trump apparently wants a nuclear test. It could be bad for your health.

By Sara Z. Kutchesfahani | Columnists, Nuclear Weapons

Craters in the desert at the Nevada National Security Site, 2005

Why a US nuclear test in Nevada would be bad for the world—and Trump’s reelection

By John Krzyzaniak | Nuclear Weapons

Nevada test site

Will the Trump administration’s accusations doom the nuclear test ban treaty?

By Andreas Persbo | Nuclear Weapons

Alexandra bell John Holden nuclear weapons presidential election 2020

Discussion: Nuclear weapons policy and the US presidential election

By | Multimedia, Nuclear Risk

Doctor examining Marshallese infant

The human cost of nuclear weapons is not only a “feminine” concern

By Lilly Adams | Nuclear Weapons, Opinion

Vela Double Flash Signal

Double Flash: Forty years ago, the Carter administration covered up a presumed Israeli nuclear test

By John Krzyzaniak | Nuclear Weapons, What We’re Reading

Frank von Hippel

Frank von Hippel, scientist in the public interest

By | Interviews