The wreck of a WWI German U-boat sunk by the U.S. Navy in 1922 has been discovered off the East Coast of the United States, about 40 miles off Virginia and at a depth of about 400 feet.

How WWI's U-Boats Launched the Age of Unrestricted Warfare World War I was shaped by the new vehicles developed during the four years of conflict.

U-boats served throughout WWI, targeting all manner of ships in the Atlantic, but it was during World War II that they made the most difference. During the Battle of the Atlantic, German U-boats ...

(ABCNews) -- British archaeologists recently discovered more than 40 German U-boats sunk during World War I off the coast of England. Now they are in a race against time to learn the secrets ...

The wreck of the German U-Boat U-111 was intentionally sunk by the U.S. Navy in 1923 after it was captured at the end of the war.

Germany started testing submarines in 1851, and by the end of WWI, built more than 300 U-boats.

90-year-old WWI U-boats discovered (AFP) Updated: 2006-11-23 16:28 LONDON - The wrecks of two German U-boats from World War I have been found off the coast of the Orkney Islands, north of mainland ...

A British dive team recovered the bell from the first U.S. destroyer sunk in World War I and will return it to Washington.

Explorers say they've found the wreckage of a British warship that was sunk by a German U-boat during World War I. Some 524 people, including the ship's captain, perished when the HMS Hawke went ...

It is thought to be the only historical case where a sub and the vessel it was attacking sank each other Divers have discovered a "long-lost" German submarine from WWI - and the British merchant ...

U-boats served throughout WWI, targeting all manner of ships in the Atlantic, but it was during World War II that they made the most difference.