South Korea and the US have agreed to pursue a separate agreement to formalize Seoul’s right to build nuclear-powered ...

In the final weeks of WWII, an American submarine launched one of the strangest attacks of the entire war. After hammering ...

Seoul wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that.

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

The submarine is the fifth Navy vessel to bear the name Idaho. The first was a wooden-hulled storeship commissioned in 1866.

Former People Power Party lawmaker Thae Yong-ho said Monday that N. Korea is likely to build a nuclear-powered submarine ...

A US nuclear-powered submarine arrived at a key naval base in South Korea's southeastern Busan city on Tuesday to restock ...

The U.S. Navy's nuclear-powered attack submarine USS Greenville docked at the Busan Naval Operations Base on Tuesday, South ...

South Korea may need to pursue a separate bilateral accord with the US to secure the right to build nuclear-powered submarines, the country’s national security adviser said as he prepares to meet with ...

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 ...

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.

The ROKS Ahn Mu, an indigenous submarine built with homegrown technology, returned home Tuesday after successfully conducting ...