France’s Rubis-class submarine is one of the smallest nuclear-powered attack submarines ever built. Instead of designing a completely new submarine, engineers converted an existing diesel submarine ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

A man cannot one day just decide to build a submarine, much less the first powered submarine, much less if that man is a writer. Yet that is just what Narcis Monturiol did. As a young firebrand of the ...

During the Cold War, the Soviet Union built the massive Oscar-class submarine for one purpose - destroying American aircraft carrier groups. These submarines carried up to 24 supersonic anti-ship ...

In a sense, Sweden’s A26 submarine is a microcosm of Europe’s defense woes: it can build amazing platforms, but cannot build enough of them on time. Saab has achieved what it calls the world’s ...

Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

Adelaide-raised Chief of Navy Mark Hammond is hailing the $30bn-plus investment in Osborne nuclear-powered submarine yard as “crystal-clear evidence” the AUKUS project is going ahead to boost national ...