You can stop a clock from ticking, but it's a lot harder to figure out how to stop humanity's relentless march toward ...

The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.

The Doomsday Clock, which was created in 1947 and is controlled by the Bulletin of the Atomic Scientists, shows how close we ...

The Bulletin of the Atomic Scientists shifted the hands of the symbolic clock to 89 seconds to midnight, citing the threat of ...