Atomic scientists on Tuesday moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats ...

Russian forces have captured hundreds of square miles of eastern Ukraine’s Donetsk region over the past year as part of their advance on the city of Pokrovsk.

The Navy's new MH-60R Seahawk helicopters will begin to arrive in South Korea next month, officials said Thursday, as part of efforts to better counter threats posed by North Korea ...