A tiny red submarine, about the size of a baseball bat, has allowed researchers to access one of the last unexplored places on Earth: a buried lake in a remote region of Antarctica. Lake Whillans ...

Together with the first-generation nuclear submarine research team ... this indomitable spirit is more crucial than ever. It is this spirit that will drive us to achieve technological ...

SEOUL--North Korea has launched its first operational “tactical nuclear attack submarine” and assigned it to the fleet that patrols the waters between the Korean peninsula and Japan ...