You may have seen a submarine returning to port with a Jolly Roger flag waving from its mast. It turns out this is part of a ...

The USS Becuna submarine sank 3,888 tons of shipping and earned four battle stars in World War II.

Military submarines use red light instead of fluorescent or other light types for specific, scientific reasons. Here's ...

The salt, currents, and metal-eating bacteria of the ocean are breaking down the wreck of the 'Titanic,' and it could be gone ...

A CHILLING new audio clip has revealed the final moments of the doomed Titan submarine when it suffered a deadly implosion.