The 1968 loss of the U.S. nuclear submarine USS Scorpion with all 99 crew members remains one of the Navy’s most haunting and unresolved mysteries. -The submarine disappeared in the Atlantic while ...

Russia has maintained—and increased—its submarine operations across the world’s oceans, including the northern Atlantic and ...

Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

The U.S. and China possess the world's second- and third-largest nuclear arsenals, with 5,177 and 600 warheads, respectively, ...

A Russian nuclear-powered submarine has been forced to surface in the Strait of Gibraltar after suffering a serious leak in ...