As World War 1 ended and the British people were slowly returning to their regular lives, the European powers signed an ...

The HMS M1 was constructed during WW1 but was never used in combat due to fears the Germans would copy its revolutionary design.

Deep-sea vehicles revealed detailed images of the USS F-1 submarine wreck. The expedition also honored lost sailors and trained future scientists. A recent deep-sea training and engineering mission ...

The navy's few primitive ocean-going submarines and an entirely new type of small warship, aptly named the subchaser, helped secure an eventual victory over the U-boat.

A group of divers have explored the wreckage of a WW1-era Royal Navy submarine - 100 years after it sank. Dominic Robinson, ...