The authoritative guide to ensuring science and technology make life on Earth better, not worse.
By Fred Pearce | Analysis, Climate Change
By Ainslie Cruickshank | Analysis, Climate Change
By HyunJung Kim | Analysis, Technology and Security
By Helen Santoro | Analysis, Biosecurity, Disruptive Technologies
By Dan Drollette Jr | Analysis, Special Topics
By Jim Krane | Analysis, Nuclear Energy
By Frank O’Donnell, Alexander K. Bollfrass | Analysis, Nuclear Risk
By John Krzyzaniak | Analysis, Nuclear Risk
By Laura H. Kahn | Analysis, Biosecurity
By John Krzyzaniak | Analysis, Nuclear Weapons
By Kristin Ven Bruusgaard | Analysis, Nuclear Weapons
By Julia Masterson, Samuel M. Hickey | Analysis, Nuclear Risk
Watch the 2025 Doomsday Clock announcement on January 28