A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...

Over eight decades ago, the US Navy made the historic capture of a Nazi U-boat during World War II. A treasure trove of vital German intelligence, the submarine's capture was top-secret. See inside ...

The U-boat was not some near-mythical creature as ... challenges What your walking speed can tell you about your health Interior Department officially renames Mount McKinley, Gulf of America ...