There are expectations that the Korean nuclear-powered submarine project will have a positive impact not only on directly ...

The U.S. Navy says it has welded and installed its first 3D-printed metal part on a nuclear submarine, a step that could reshape how the fleet maintains and repairs its most sensitive vessels. The ...

Add Yahoo as a preferred source to see more of our stories on Google. The US Navy's intel chief said China is shifting toward building all nuclear-powered submarines. Supported by its vast ...

Submarines are among the most advanced and mysterious machines ever built. Designed to operate beneath the surface of the sea ...