The idea was first introduced by the Bulletin of Atomic Scientists in June 1947.

Nuclear and climate scientists are gathering today in Washington to update the Doomsday Clock revealing how close the world ...

The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.

The symbolic Doomsday Clock, a global warning signal watched around the world, has moved closer to midnight than ever before.

Earth is closer than it's ever been to destruction as Russia, China, the U.S. and other countries become “increasingly aggressive, adversarial, and nationalistic,” a science-oriented advocacy group ...