As Trump orders US nuclear submarines into position, a closer look at the US vs Russia submarine power race, from fleet size ...

Refueling a nuclear submarine is a grueling process not only in the time it takes to accomplish but also because of the ...

A deal for Britain and Australia to build nuclear-powered submarines in Adelaide was due to be inked by the defense ...

The Rybachiy nuclear submarine base – home to Vladimir Putin ’s deadliest military vessels – is located 75 miles from the ...

A massive 8.8-magnitude earthquake has sparked international concern over the safety of Russia’s strategic nuclear submarine ...

Fifth strategic submarine of the Borei-A project enters service as part of Russia’s strengthened nuclear triad ...

While there have been several deadly submarine disasters, the 1963 loss of the USS Thresher along with its 129 crew is the ...

USS Nautilus, the world’s first nuclear-powered submarine, accomplished the first undersea voyage to the top of the world – ...

The waves reportedly hit the Rybachiy naval base, which houses the bulk of the nuclear submarines in Russia's Pacific Fleet, ...

As countries around the world try to tamp down emissions (well, some of them, anyway), a major target for improvement is the ...

Britain says it will deepen its AUKUS nuclear submarine partnership with Australia through a new 50-year treaty that it ...