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 ...

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

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

The returning salience of nuclear weapons in international security has been illustrated starkly in the broad context of the ...

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 ...

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

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

Tanks are built to survive explosions—but they’re no match for a weapon that uses geometry to create a hypersonic jet of molten metal. From the invention of the shaped charge to why cardboard and ...

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

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