It was a small change, but a frightening one. Last month, the "Doomsday Clock" was moved up to 89 seconds, the closest the ...

The Doomsday Clock is a metaphor that represents how close humanity is to self-destruction, due to nuclear weapons and climate change. The clock hands are set by the Bulletin of the Atomic Scientists, ...

CHICAGO, Illinois (CNN) --The hands on the Bulletin of Atomic Scientists' Doomsday Clock were moved forward Wednesday to reflect what the group believes is a greater risk of nuclear conflict in ...