Midnight is the time that represents Doomsday. Factors such as nuclear risk, climate change, disruptive technologies and biosecurity are taken into account when determining the clock’s setting.

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.

Doomsday clock remains set at 90 seconds to midnight 01:03. The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what ...

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 ...

The Doomsday Clock, set at 89 seconds to midnight, is displayed before a news conference at the United States Institute of Peace, Tuesday, Jan. 28, in Washington. (Mark Schiefelbein/AP) ...

On this week’s “More To The Story,” Daniel Holz from the Bulletin of the Atomic Scientists discusses why the hands of the ...

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. The Doomsday Clock has never been ...