North Korea’s History of Nuclear Expansion South Korean experts have assessed that the alleged North Korean nuclear submarine is a 6,000-to-7,000-ton submarine—roughly twice the size of North ...

North Korea has deployed dozens of huge white balloons alongside its wrecked 5,000-ton-class warship to stop it from sinking further after a botched launch last week, new satellite images show.

North Korea said leader Kim Jong Un observed the test-firings of missiles from a recently launched destroyer — the first such warship for the North — and called for accelerating efforts to ...

North Korea has arrested four people it claims bear responsibility for a launch accident last week that left leader Kim Jong Un’s newest warship lying on its side and partially submerged in a ...