The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Nuclear Weapons

A billet of highly enriched uranium that was recovered from scrap processed at the Y-12 National Security Complex Plant.

Why the security of nuclear materials should be focus of US-Russia nuclear relations

By Andrew W. Reddie, Bethany Goldblum | Analysis, Nuclear Energy, Nuclear Risk, Nuclear Weapons, The INF Treaty and the Future of Arms Control

Will disruptive technology cause nuclear war?

By Matthew Kroenig, Bharath Gopalaswamy | Analysis, Disruptive Technologies, Nuclear Risk, Nuclear Weapons

EU High Representative for Foreign Affairs Federica Mogherini and Iranian Foreign Minister Javad Zarif during JCPOA negotiations in Switzerland in 2015. (Photo credit: US Department of State.)

Despite sanctions, Iran unlikely to restart nuclear program—yet

By Kelsey Davenport | Analysis, Nuclear Weapons, The Iranian problem

Postage Stamp, Apsara Research Atomic Reactor in Trombay, Mumbai, circa 1965

Estimating India’s nuclear weapons-producing capacity

By Syed Sadam Hussain Shah, Syed Javaid Khurshid | Analysis, Nuclear Weapons

A Chinese DF-26 intermediate range missile and launcher.

We don’t have a missile gap in Asia. We have a diplomacy gap.

By Alexandra Bell | Analysis, Nuclear Risk, Nuclear Weapons, The INF Treaty and the Future of Arms Control

Arms control on the brink

By Kingston Reif | Analysis, Nuclear Risk, Nuclear Weapons, The INF Treaty and the Future of Arms Control

Interactive: The Doomsday Clock Timeline

By | Doomsday Clock, Multimedia, Nuclear Risk, Nuclear Weapons

IndiaNucNtbk.jpg

Indian nuclear forces, 2018

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

The military applications of AI

Artificial intelligence, cyberattack, and nuclear weapons—A dangerous combination

By Pavel Sharikov | Artificial Intelligence, Cyber Security, Disruptive Technologies, Nuclear Risk, Nuclear Weapons

Nuclear cooling tower

The global responsibility to prepare for intersecting climate and nuclear risks

By Christine Parthemore, Francesco Femia, Caitlin Werrell | Climate Change, Nuclear Energy, Nuclear Risk, Nuclear Weapons

Ambassador Bonnie Jenkins: Reducing threats, increasing diversity

By Dawn Stover | Nuclear Risk, Nuclear Weapons

Zia Mian on scientists, the nuclear threat, and a treaty to ban nuclear weapons

By John Mecklin | Interviews, Nuclear Risk, Nuclear Weapons