A vacation along Panama's Pearl Islands led Archaeologist James Delgado to an astounding discovery, the world's first working submarine, rusting on a remote beach ...

The U.S. Navy is currently experiencing a submarine crisis. It needs more submarines than it has at its disposal. America’s naval shipyards are backlogged, understaffed, and lack the capacity to ...

Submarines are some of the most mysterious vehicles the U.S. military has in service right now, which is why the Navy calls its submarine branch the "Silent Service." These war machines are literally ...