Add Yahoo as a preferred source to see more of our stories on Google. At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to ...

The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

CHICAGO -- At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to destroying the world. On Tuesday, nearly eight decades later, ...

Seventy-eight years ago, scientists created a unique sort of timepiece — named the Doomsday Clock — as a symbolic attempt to gauge how close humanity is to destroying the world. On Tuesday, the clock ...