Researchers have located the wrecks of two long-lost military vehicles on the seafloor a few miles from San Diego: an ...

Scientists have discovered the wreck of the American submarine USS F-1, which sank in 1917. It is located off the coast of ...

Scientists have made an incredible discovery on the ocean floor near California during a mission to locate a US Navy submarine that sank over 100 years ago during a training exercise off the coast.

Researchers took the first ever photographs of the sunken USS F-1, lost in 1917 in a collision off of California.

On Dec. 17, 1917, the U.S. submarine USS F-1 was lost at sea during a training accident off the coast of California, killing ...

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.

The Alex, as the Alexandria is called, is a 360-foot-long, Cold War-era submarine designed to hunt enemy submarines and ...

The fast-attack submarine USS Alexandria returned to San Diego Thursday after a seven-month deployment to the western Pacific ...