A Seoul-based company has expressed its intention to build nuclear-powered submarines for the U.S. Navy. Hanwha Group claims ...

Kim visited a shipyard to inspect the construction of what the North describes as an 8,700-ton-class nuclear-propelled ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...

New photos show North Korea's apparent progress in the development of a nuclear-powered submarine as Kim Jong Un condemns ...

North Korea released new images showing apparent progress on a nuclear-powered submarine as Kim Jong Un criticized South ...

The debut followed the North’s first test of a new surface-to-air missile and the arrival of a U.S. nuclear-powered attack ...