With cutting-edge deep-sea imaging technology, researchers captured high-definition images of a 100-year old submarine.

In 1917, two US submarines collided off the coast of San Diego and submarine USS F-1 sank to the bottom of the Pacific Ocean, ...

The USS Sturgeon set the standard for the fleet and served as the backbone of America’s undersea deterrence for nearly 30 ...

France’s Rubis-class nuclear-powered attack submarines (SSNs), despite their smaller size (2,600 tons submerged), have been highly capable and stealthy assets for the French Navy since the 1980s.