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.

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 ...

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

A World War I-era submarine, the USS F-1, lost in 1917 due to a collision, has been located over a century later by a joint ...

Photos show Kim Jong Un's 5,000-ton naval warship mangled near its launch site, covered in a blue tarp as the dictator fumes ...

Researchers captured the first clear images of the USS F-1 submarine wreck from the WWI era using cutting-edge underwater ...

Cutting-edge deep-sea technology has unveiled rare, high-resolution images of a lost WWI submarine, shedding new light on a ...

After a bungled launch, the vessel appears to be stuck and lying on its side in the water. North Korea said it was a ...

The U.S. Navy rarely publicizes SSBN operations as the submarines are designed for deterrent patrols and launching missiles ...

Coronado leaders got a closer look at US Navy operations during a recent tour of a submarine and an emergency operations ...

A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of ...