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 ...

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

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

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

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

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

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

For Archbishop Wester, the issue is close to home. Located within his archdiocese is the Los Alamos Laboratory, and he noted ...

North Korean leader Kim Jong Un said his country needed to rapidly expand its nuclear armament and called U.S.-South Korea ...