North Korea has signalled apparent progress in the construction of a nuclear-powered submarine, with state media images ...

Intelligence findings seen by The Associated Press say the weapon could release pellets to disable multiple satellites.

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.

North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a ...