Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

NATO's chief said on Monday that there is a "lone and broken Russian submarine limping home from patrol" in the Mediterranean ...

Russia has maintained—and increased—its submarine operations across the world's oceans, including the northern Atlantic and the Arctic, which have raised concerns for the U.S. and its NATO allies, as ...

A Russian diesel-electric submarine, The Novorossiysk, is being trailed through the North Sea by NATO ships, sparking ...

Russia unleashed a barrage of drones and missiles on Ukraine overnight into Sunday, killing at least four people, with the capital city of Kyiv suffering the heaviest assault. This is the first major ...

Former Russian president Dmitry Medvedev said on Monday that supplying U.S. Tomahawk missiles to Ukraine could end badly for ...

Virginia-class submarines are bigger, faster, quieter, and have more endurance and firepower than Los Angeles class they ...