The authoritative guide to ensuring science and technology make life on Earth better, not worse.
By Matt Field | Disruptive Technologies
By Susan D’Agostino | Nuclear Energy, Nuclear Risk
By Jungmin Kang, Eva Lisowski | Nuclear Energy, Nuclear Risk
By Thomas Gaulkin | Special Topics
By Roger Petersen | Nuclear Risk, Opinion
By Sharon Squassoni | Analysis, Nuclear Weapons
By Daniel Holz | Analysis, Nuclear Weapons
By Herbert Lin | Analysis, Nuclear Weapons
By Steven Pifer | Nuclear Risk, Nuclear Weapons, Opinion
By Daryl G. Kimball | Analysis, Nuclear Weapons
By Matt Field | Biosecurity
Watch the 2025 Doomsday Clock announcement on January 28