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

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

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

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 ...

The move is expected to produce about 450-520 megawatts of around-the-clock electricity. This could be helpful to fulfil the ...

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

A Texas power developer is proposing to use repurposed retired U.S. Navy nuclear reactors from aircraft carriers and ...

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 nuclear reactor of the fourth Suffren-class nuclear-powered attack submarine (SSN), De Grasse (S638), was fired up for ...

North Korea touted its progress in building a nuclear-powered submarine, releasing photos through state media on Thursday ...

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