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 ...

Hanwha's Philly Shipyard has the capability of building a nuclear-powered submarine for the U.S. Navy, said Alex Wong, global chief strategy officer at Hanwha Group, according to a statement from the ...

The official Korean Central News Agency said North Korean leader Kim Jong Un visited a shipyard to inspect the construction ...

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 Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the ...

Russia is developing a new type of nuclear submarine to boost its defenses as it faces sanctions and the fast upgrades of ...

South Korea and the US have agreed to pursue a separate agreement to formalize Seoul’s right to build nuclear-powered submarines, and working-level talks will begin early next year, the Asian ...

Alabama researchers will track sound changes as the 990-foot vessel transforms into an artificial reef off Florida's coast ...

The Navy is racing to field a new generation of ballistic missile submarines that will eventually rank as the 12 largest ...