U.S. negotiations with the Russians and Chinese on denuclearization and eventual agreements are “very possible,” according to ...

WASHINGTON -The doomsday clock, symbolizing how close humanity is to destruction, ticked one second closer to midnight ...

You can stop a clock from ticking, but it's a lot harder to figure out how to stop humanity's relentless march toward self-annihilation.

Too few leaders have learned the critical lesson that international cooperation is essential to pandemic prevention, ...

WASHINGTON (Reuters) - Atomic scientists on Tuesday moved their "Doomsday Clock" closer to midnight than ever before, citing ...