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 ...

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

Russian President Vladimir Putin said on the eve of a summit with U.S. President Donald Trump that their countries might ...

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

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

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

In the call, according to two U.S. officials, General Gerasimov outlined a use of nuclear weapons consistent with Washington’s understanding of Russia’s nuclear doctrine.

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