The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.

Scientists and global leaders revealed on Tuesday that the "Doomsday Clock" has been reset to the closest humanity has ever come to self-annihilation.

For the first time in three years, the Bulletin of the Atomic Scientists moved the Doomsday Clock forward by one second.

The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to midnight—the closest it has ever been, symbolizing humanity's shortest margin ...

An AI expert warns that in the balance of power between AI acceleration and AI safety, acceleration is winning.

Alarm clocks can be either digital or analog ... and changing them doesn’t take more than a minute or two. You won’t be able to change the mildly sharp beeping of the alarm, but the sound ...