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 ...

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

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

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

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

The U.K. announced over NATO's annual summit in June that it would purchase 12 F-35A nuclear-certified fighter jets.

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

Mayor Kazumi Matsui called on leaders to heed the lessons of Hiroshima and Nagasaki and warned of the consequences of the ...