USA TODAY asked Alexandra Bell, the president and CEO of the Bulletin of the Atomic Scientists, a few questions about the ...

The "Doomsday Clock" is a metaphor for how close humanity is to self-annihilation.

The Bulletin of the Atomic Scientists now says humanity is a metaphorical 85 seconds to global disaster.

The Bulletin of the Atomic Scientists set the clock to 85 seconds before midnight, the theoretical point of annihilation.

Doomsday Clock warns humans are trending closer to catastrophe at 85 seconds from midnight. Here's what to know.

The new Doomsday Clock time has been set by the Bulletin of the Atomic Scientists. Here’s what it means.

Nuclear weapons, climate change and biological threats are the biggest concerns.

Doomsday Clock Moves Again and Scientists Say We’re Closer To The End of the World Than Ever ...

The “Doomsday Clock” on Tuesday moved to 85 seconds till midnight, bringing the world closer than ever to destruction on the ...