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

2024 presidential election

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

By Mackenzie Knight | Nuclear Weapons

Biden focused on strategic stability. His successor should embrace arms control

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Weapons

Undebatable: You need this existential threat scorecard for the Kamala Harris and Donald Trump debate

By Thomas Gaulkin | Special Topics

The US presidential candidates are not confronting the nuclear threat that haunts the world

By Robert Jay Lifton | Analysis, Nuclear Weapons

Watch the 2025 Doomsday Clock announcement on January 28