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

Watch the 2025 Doomsday Clock announcement on January 28


Jon Henley

Jon Henley is the Guardian’s Europe correspondent, based in Paris.


Articles by Jon Henley

Ukrainian tanks on a military exercise

Russia says “Nyet” to UN calls for DMZ around Ukrainian nuclear plant

By Jon Henley, Samantha Lock | Nuclear Weapons