From nuclear-armed giants to stealthy hunters, a handful of Russian submarines are built specifically to carry some of the ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

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 ...

What You Need to Know: In the 1960s, the Soviet Union unveiled the Alfa-class submarines, revolutionary vessels constructed with titanium hulls that allowed for unmatched speed and deep-diving ...

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 ...

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 ...

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, ...

Titanium sounds perfect on paper. Even Apple uses Grade 5 titanium for its iPhones. It's lighter than steel, far stronger by weight, and shrugs off corrosion from salt water. It can dive deeper and ...