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

missile test

China’s openness about its latest nuclear missile test shows growing confidence vis-à-vis the United States

By Hui Zhang | Nuclear Weapons

ICBM test launch

The Christmas carol and the Cuban Missile Crisis

By Reba A. Wissner | Nuclear Weapons, Opinion

Watch the 2025 Doomsday Clock announcement on January 28