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

nuclear weapons modernization

Question for the candidates: Should the president retain the sole authority to order the use of nuclear weapons?

By Mackenzie Knight | Nuclear Weapons

An unarmed Trident II D5LE missile is launched from a US Navy submarine

Can the US President stop a new nuclear weapon he doesn’t want?

By Stephen Young | Nuclear Weapons

Ambassador Bonnie Jenkins: Reducing threats, increasing diversity

By Dawn Stover | Nuclear Risk, Nuclear Weapons