The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.
Leonard Rieser, chairman of the board of the Bulletin of the Atomic Scientists, moves the hand of the Doomsday Clock back to 17 minutes before midnight on Nov. 26, 1991. (Carl Wagner/Chicago ...
It first moved — from seven to three minutes before midnight — in ... the Cold War, the clock periodically moved back and forth — from two to upwards of 10 minutes to midnight — based ...
Robert Oppenheimer, the Bulletin of the Atomic Scientists created the Doomsday Clock two years later. Initially set at seven minutes to midnight ... consecutive years before being moved closer ...