The Doomsday Clock is a metaphor, not a mechanical forecast, but it is built on concrete assessments of global risk. Created in the late 1940s by scientists who had worked on nuclear weapons, it was ...

The new time for the symbolic timepiece, which ticks closer to midnight as we approach annihilation, will be revealed at 15:00 GMT on 27 January. Since last year, the clock has sat at 89 seconds to ...