“The Doomsday Clock’s message cannot be clearer,” the Bulletin of the Atomic Scientists CEO Alexandra Bell said in a statement. “Catastrophic risks are on the rise, cooperation is on the decline, and we are running out of time. Change is both necessary and possible, but the global community must demand swift action from their leaders.”

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control, co...

The Bulletin of the Atomic Scientists cited risks of nuclear war, climate change, potential misuse of biotechnology and the increasing use of artificial intelligence without adequate controls as it ma...