Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental contraptions took to the seas. The modern nuclear-powered submarine represents a ...

A group of divers have explored the wreckage of a WW1-era Royal Navy submarine – 100 years after it sank. Dominic Robinson, 54, and a team of 10 dived 74m down to check out the century-old HMS M1 sub ...