On September 3, 2025, China rolled out a new generation of hypersonic anti-ship missiles and drone submarines during a ...

A diesel-electric submarine operated by the Royal Canadian Navy slipped through layers of U.S. carrier group defenses during ...

South Korea is taking a different path to Australia in building nuclear-powered submarines, but its plan still hinges on the ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

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 ...

A new type of submarine that appears to lack a traditional sail has emerged in China. The same shipyard launched a smaller ...