The World War I-era USS F-1 submarine wreck, lost in 1917, was explored by researchers using advanced technology, capturing new images and its honoring fallen sailors.

A century-old mystery emerges from the ocean's depths. Uncover the historical tale of a lost submarine, brought to life with ...

Scientists announced they’ve captured unprecedented images of the final resting place of a World War I-era sub more than 1,300 feet below the ocean’s surface.