They expected to find signs of panic inside the H.L. Hunley. Instead, they found something much more unsettling.

The ocean depth is the last domain where America still has a clear military advantage over China. As battlefields fill with ...

The U.S. Navy's inventory of nuclear submarines is getting ready to expand with an upcoming all-new class of vessels. Here's ...

The lead Columbia-class submarine, currently under construction, has faced schedule adjustments but is showing signs of ...

Deep beneath the surface of the Pacific Ocean, America’s submarine fleet operates in near-perfect silence, serving as an ...

The H.L. Hunley was one of the most significant submarines in military history, but when it sank, the fate of its crew ...

The CPSP is one of the largest conventional submarine procurements in modern history and Hanwha Ocean has been selected as ...

Russia is investing heavily in a new generation of “super weapons” designed to bypass and potentially nullify conventional ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: The H.L. Hunley, a Confederate ...

TAIPEI, May 7 (Reuters) - Taiwan has carried out the maiden torpedo test firing for its first domestically developed submarine, a major milestone in a project aimed at strengthening deterrence against ...

N. Korea appears to have completed maintenance on its "Hero Kim Gun Ok" submarine and could soon conduct test launches of submarine-launched missiles ...

During the Falklands War, the Argentine submarine ARA Santa Fe became the target of an intense British helicopter assault ...