A World War I submarine wreck off the coast of Southern California has been captured for the first time in new video and images made possible using advanced deep-sea imaging technology. The ...

SAN DIEGO (FOX 5/KUSI) — A team of researchers captured high-definition pictures of a sunken World War I-era U.S. Navy submarine off the coast of San Diego, over a century after it was lost at sea.

A team of divers explored the century-old wreck of the WW1-era submarine HMS M1, 20 miles off Plymouth, Devon, UK. The sub, famous for its 12-inch onboard gun, sank in 1925 after colliding with a ...

Submarines have been around since the 17th century, and while we know much about modern nuclear subs, the older boats are less well known. This is especially true of those used during World War I, as ...