The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...

North Korea's unveiling of its first nuclear-powered submarine marks a bold leap in its military ambitions, but skepticism ...

The diesel-electric Raigei submarine will be based in waters near Japan’s mainland where Chinese and Russian vessels operate.

Nuclear submarines are powered by small nuclear reactors ... sounding like "the thunder of the engine room of a diesel locomotive," according to "Cold War Submarines" by Norman Polmar and K.J ...

As the UK’s sole builder of nuclear submarines, Barrow-in-Furness in Cumbria is probably better situated than any other town ...

A $5bn plan to extend the lives of the navy’s Collins-class ­submarines is in disarray as the government-owned shipbuilder ...

Richard Marles has conceded the government is considering scaling back life-extending upgrades of the navy’s Collins-class ...

A Chinese navy task group that circumnavigated Australia in February and March highlighted China's ambition to operate more frequently in the same neighborhood, Australian officials said.

Over the years, numerous nuclear weapons have been lost in the US, which have earned the ominous designation of 'Broken ...

R, built in larger numbers and deployed across Europe, would be effective at deterring any potential Russian invasion.