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

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

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

Top 10: Submarine-Destroying Aircraft of All Time ...

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