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 ...

In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine ...

Recent media reports have highlighted the increasing sophistication and numbers of submarines being produced by the People’s ...

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

PUTIN’S submarine branded a potential “floating bomb” is creeping home through the English Channel under the close watch of ...

A quiet Swedish submarine embarrassed the U.S. Navy's most formidable ship - and revealed why old-school diesel power still ...

"The armed forces' jet fighters and warships met up with the submarine .... and are now following it," Sweden's armed forces ...