The U.S. Navy has added a powerful new attack submarine to its fleet, reviving a World War II name that carries deep ...

The U.S. Navy has added a powerful new nuclear attack submarine to its fleet, reviving the name of a storied World War II ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

With U.S. extended deterrence under strain, managing Seoul’s nuclear hedging may be safer than trying to stop it.

SEOUL, South Korea — An arms race for nuclear-powered submarines is accelerating between North and South Korea amid shifts in the United States' security strategy in the region. North Korea's state ...

SEOUL, South Korea (AP) — North Korea on Thursday displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull, as leader ...

North Korea on Thursday showcased what appeared to be significant progress on a nuclear-powered submarine, with state media releasing new images as leader Kim Jong Un criticized South Korea’s parallel ...

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 pictures ...

North Korea showed off its apparent progress in the development of a nuclear-powered submarine. State media released photos of North Korean dictator Kim Jong Un and his daughter, a potential heir, as ...

North Korea on Thursday showed apparent progress in the construction of a nuclear submarine, with state media pictures showing a largely completed hull, as leader Kim Jong Un condemned rival South ...