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

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

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

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

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

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

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

The symbolic clock that tracks humanity’s proximity to catastrophe has lurched forward again, and the margin for error is now ...