Russian President Vladimir Putin said on the eve of a summit with U.S. President Donald Trump that their countries might ...

"The only thing that the West understands is strength. We can destroy all of them with nuclear weapons," TV presenter ...

In Japan and South Korea there is deepening concern over the reliability of long-time American security guarantees – whether ...

By Mark Trevelyan LONDON (Reuters) -Russian President Vladimir Putin said on the eve of a summit with U.S. Donald Trump that ...

Responding to Russia’s aggression and growing doubts about U.S. security commitments, Poland has announced a dramatic ...

Outer space has emerged as the world's next battlefield, demonstrated by recent cyberattacks on satellites blamed on Russia.

Each Aug. 9 a peace ceremony is held in Richland, Wash., to mark the atomic bombing of Nagasaki, Japan, using plutonium ...

The atomic bombing of Hiroshima on August 6, 1945, remains a pivotal and controversial event in modern history. Beyond its ...

RECA compensates individuals who developed certain illnesses from exposure to radiation during the United States’ development ...

Human judgement remains central to the launch of nuclear weapons. But experts say it’s a matter of when, not if, artificial ...

A California man has been sentenced to eight years in prison after admitting to shipping weapons and ammunition to North ...

Russia has announced it is ending its self-imposed moratorium on the development of short- and medium-range nuclear missiles, ...