Ten declassified submarine stories reveal how the U.S. Navy used engineering, espionage, and undersea stealth to gain ...

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 ...

A new rescue submarine has been cleared for global emergency deployment after the US ...

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 ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Bill Springer would rather be on a superyacht. And he often is. Patrick Lahey has been involved with underwater exploration since ...

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 ...