North Korea’s leader threatens to speed up Pyongyang’s nuclear arsenal expansion over a sign of ‘hostile intent’.

Pyongyang regularly criticizes such drills as rehearsals for invasion and sometimes responds with weapons tests, but Seoul ...

Kim Jong-un has condemned South Korean-US military drills while touring his most advanced warship fitted with nuclear-capable ...

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 ...

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

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

The White House has now fully embraced bomb-prone nuclear fuel technology. This should stop before an arms race, atomic ...

Experts seemed to broadly agree that it's only a matter of time until an AI will get hold of nuclear codes during a meeting ...

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