Add Yahoo as a preferred source to see more of our stories on Google. The world is closer to catastrophe than it has ever been, at least according to the scientists who maintain the Doomsday Clock.

Add Yahoo as a preferred source to see more of our stories on Google. The Doomsday Clock hit another dreaded milestone, with scientists setting the clock just 85 seconds to midnight ... the closest we ...

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, ...

The world is closer to catastrophe than it has ever been, at least according to the scientists who maintain the Doomsday Clock. This year, the symbolic clock was set to 85 seconds to midnight, marking ...