The Pentagon’s advanced science division is taking a new look at a technology that promises to revolutionize how warships travel and fight in the world’s oceans. The Defense Advanced Research Projects ...

KOBE, JAPAN — In the beginning was the oar, a crucial if low-tech invention that served as the prime engine of naval propulsion for uncounted millennia. The next great advance was the sail, the ...

Mechanisms such as wheels and propellers are usually used for propulsion engines that move vehicles, and in the case of ships, screw propellers and jet injection structures are used. However, the ...

A mysterious silent propulsion system reminiscent of author Tom Clancy’s fictional submarine “Red October” went to sea in real life Tuesday – not at a Russian naval base but in Japan’s most advanced ...