Questions about how North Korea, a heavily sanctioned and impoverished country, could get resources and technology to build nuclear-powered submarines have surfaced. Moon, the submarine expert ...

However, while North Korea may not be economically advanced, it has unexplored and untapped natural resources, estimated to be worth trillions of dollars (most estimates give a figure of $6-$9 ...

Regarding North Korea, the trio reaffirmed their “resolute ... the United States’ affordable and reliable energy and natural resources, and by enhancing energy cooperation, particularly ...

By Choe Sang-Hun Reporting from Seoul North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media ...