TOKYO -- The world's deepest-diving submarine has disappeared in the choppy Pacific Ocean off Japan, a setback to deep-sea research on everything from earthquakes to rare bacteria. Kaiko, a bright ...

On March 25, however, the Navy was reminded that one didn’t need a war to be imperiled by the sea, as F-4 sank with Lt.

A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of the U.S. Navy submarine USS F-1, lost at sea in an accident on December 17, ...

Unfortunately, as far as the Mediterranean is concerned, it would not be wrong to say that "not a single inch of it is clean." ...

Nuclear submarines are among the most complex machines ever built, capable of staying hidden beneath the ocean for months. This breaks down the physics of buoyancy, underwater navigation, silent ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (FOX 5/KUSI) — A team of ...

A nuclear attack submarine may be the most formidable predator ever built. In 2009, I spent a week submerged aboard the USS ...

During the height of the Cold War, the rivalry between the United States and the Soviet Union spurred several technology-oriented races where both countries were trying to outdo the competition. The ...