With fifth-generation submarines on the horizon, their technology has come a long way. Ultra-advanced subs of today use ...

The race has intensified as the sea ice has been declining. It's one of the harshest environments on Earth. But the Arctic is also of growing strategic importance - where the U.S. is in a race with ...

NAPLES, Italy — An undersea test launch of an aerial drone from a U.S. vessel off the coast of Portugal this week is part of a NATO exercise aimed at revolutionizing anti-submarine warfare. The ...

NAPLES, Italy — NATO allies are strengthening their anti-submarine capabilities this week in the Baltic Sea, a region whose infrastructure network makes it susceptible to Russian mischief threatening ...