Modern nuclear submarines are some of the most complex machines of war ever constructed. They can remain at sea for years, can submerge for extended lengths of time, and they run almost silently.

A U-Boat Class II submarine (this one depicted, UB-35, was the same class as UB-29) prowls the open seas. Science History Images / Alamy Stock Photo You get an idea before you even walk in his ...

The History Channel is doubling down on stars in its docuseries. The A+E Global Media-owned cable network has ordered a slew of series featuring the likes of David Duchovny, Henry Winkler and Ving ...