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

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

Humanity has never been so close to destroying itself. At least that's according to nuclear scientists, according to the ...

The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new ...

The Doomsday Clock, a symbolic measure of humanity's proximity to catastrophic destruction, has been set at 89 seconds to ...

The “doomsday clock” symbolising how close humanity is to destruction ticked one second closer to midnight Tuesday as ...