More than a century after their deaths, the previously unmarked graves of Second Lieutenant William Knight and Private John ...

During the WHOI mission to photograph the USS F-1, the researchers also surveyed another piece of military wreckage: a lost ...

Researchers have found and imaged a submarine that sunk in 1917 during training exercises in the Pacific Ocean.

Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction. Explore the in-depth sections below.