Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear ...

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

In an announcement, the Bulletin of the Atomic Scientists moved the Doomsday Clock forward by one second to 89 seconds before ...

The Doomsday Clock has moved forward by one second, making it 89 seconds until midnight. Here's what that means in terms of ...