The midnight doomsday clock headlines can sound like a final countdown, but the Doomsday Clock is a warning symbol, not a prediction. It is reset each year by the Bulletin of the Atomic Scientists to ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear powers Russia, China and the United States, fraying nuclear arms control, ...

Humanity is closer than ever to catastrophe, according to the atomic scientists behind the Doomsday Clock. The ominous metaphor ticked one second closer to midnight this week. The clock now stands ...

UNDATED (CNN/CNN Newsource/WKRC) - The Doomsday Clock has moved closer to midnight than ever before. The Bulletin of the Atomic Scientists has set the Doomsday Clock at 89 seconds to midnight, marking ...

The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

Add Yahoo as a preferred source to see more of our stories on Google. The Bulletin of the Atomic Scientists members, from left, Jon B. Wolfsthal, Asha M. George and Steve Fetter reveal the Doomsday ...

The world slipped further toward the abyss over the past year, with the Bulletin of Atomic Scientists on Tuesday moving the hands of the famed Doomsday Clock four seconds closer to midnight, at 85 ...

Earth is closer than it's ever been to destruction as Russia, China, the U.S. and other countries become "increasingly aggressive, adversarial, and nationalistic," a science-oriented advocacy group ...