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

Nuclear Weapons

Pentagon pushes for billions to refurbish nuclear bombs

By Kingston Reif | Columnists, Nuclear Weapons

Does the “responsibility to protect” include nuclear disarmament?

By Kennette Benedict | Columnists, Nuclear Weapons

North Korea reactor restart sets back denuclearization

By Siegfried S. Hecker | Columnists, Nuclear Weapons

Global nuclear weapons inventories, 1945-2013

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook, Nuclear Weapons

The limits to international cooperation on Iran

By Stela Petrova, Ian Kearns | Nuclear Weapons, Opinion

Unexpected dangers

By Pavel Podvig | Columnists, Nuclear Weapons

Action flicks exploit the Bomb

By Lovely Umayam | Columnists, Nuclear Weapons

Why nuclear realism is unrealistic

By Benoît Pelopidas | Nuclear Weapons, Opinion

The uranium processing fiasco

By Peter Stockton, Lydia Dennett | Nuclear Energy, Nuclear Weapons, Opinion

Transparency: The beginning of the end of nuclear weapons?

By Henrik Salander, Arend J. Meerburg, Miguel Marín Bosch, Paul Meyer, Zia Mian | Nuclear Weapons, Opinion

Would the United States ever actually use nuclear weapons?

By Kingston Reif | Biosecurity, Columnists, Nuclear Weapons

Most likely to succeed against nuclear weapons

By Kennette Benedict | Columnists, Nuclear Weapons