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

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

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 ...

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

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

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 ...

Russia has said it is no longer restricted in the deployment of intermediate and shorter-range missiles, which can carry nuclear warheads.

Introducing “The Bomb”, our new four-part podcast series on the past, present and future of America’s nuclear stockpile ...

The number of survivors of the U.S. atomic attacks on Hiroshima and Nagasaki is dwindling 80 years later, but they are ...

How to build a nuke and what you can do about it. June 28, 2010— -- Nuclear weapons have been making a lot of noise lately. Whether it's a new START agreement, a United Nations summit or a ...