During World War II, German submarines penetrated deep into Canadian waters, sinking merchant ships, attacking ferries, and ...

This undated photo, provided by the National WW II Museum in New Orleans, shows Oberleutnant zur See Hans-Gunther Kuhlmann, center, saluting commander of the German U-boat U-166 on his boat. The U-166 ...

On today’s episode of The Infographics Show, we descend into a steel coffin beneath the Atlantic, where silence meant ...

On June 4, 1944, the US Navy captured its first German submarine. Now it's displayed at Chicago's Griffin Museum of Science ...

This imposing concrete structure in the German city of Bremen is 1400 feet long, 300 feet wide and 90 feet high, and looks every inch the secret Nazi facility that it is. Its purpose was to build and ...

Although they lost World War II, the Nazis were more technologically advanced than their Allied rivals in multiple ways. Berlin’s problem was scale—and trying to do too much with too few resources.

In World War I, writes Chicoan and naval historian David Bruhn, “German U-boats sank over 5,200 vessels and came dangerously close to choking off Britain’s critical supply of food in the spring of ...