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.

This re-setting of the Doomsday clock raises an alarm that needs to be heard around the world, and especially in the United ...

“Nearly 10 times bigger than the Pentagon ... “This fortress only serves one purpose, which is to act as a doomsday bunker for China’s increasingly sophisticated and capable military.” ...

The next edition of the Clock will be revealed Tuesday, Jan. 28 at 10 a.m. EST on a live webcast ... It was called the Doomsday Clock. "It gave the sense that if we did nothing, it would ...

Martyl Langsdorf, an artist and wife of physicist Alexander Langsdorf Jr. who worked on the Manhattan Project, designed the Doomsday Clock for the Bulletin’s first magazine cover in June 1947.