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 ...

Key Points - Russia's Losharik (AS-31), a unique deep-diving nuclear-powered special missions submarine, is reportedly ready for sea trials in 2025 after a nearly five-year repair following a fatal ...

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 ...

Submarines are pretty cool bits of kit. They can offer researchers an unrivaled view of the ocean floor, help search out missing wrecks beneath the waves and can even ferry about the rich and famous, ...

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

SALINA, Kan. (AP) — A central Kansas businessman says he is rebuilding what will be the deepest-diving submarine owned by a private individual once it's done. KSHB ...

One of the global leaders in submarine production, the Soviet Union is responsible for many of the best and most innovative submarine classes in maritime history. The Russian Federation has recently ...

TOKYO - The world's deepest-diving submarine has disappeared in the choppy Pacific Ocean off Japan, a blow to deep-sea research on everything from earthquakes to rare bacteria, an official said Monday ...