Military officials estimate North Korea has a network of thousands of tunnels beneath Pyongyang and key strategic locations.

Drones and quadrupedal robots could be used in the operation.

At first glance, the complex looks like a private golf course, but according to exports, a closer examination reveals proof that the site is being used to hide secret North Korean launch pads and ...

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. State media on Saturday ...

Kim Jong-un appears to be expanding his nuclear arsenal by ordering the secret building of a destroyer warship to beef up the North Korean Navy. North Korea is building a second warship in its ...