I was relieved to learn the Doomsday Clock has once again sped up, putting us well within reach of the sweet, welcoming silence of extinction.

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...

Familiar risks to human existence such as nuclear weapons and climate change were cited by the scientists, along with new technologies like artificial intelligence, which they argued is being used to ...