The Project 661 Anchar (NATO: Papa-class) SSGN was a Soviet nuclear-powered cruise missile submarine designed as an experimental high-speed attack platform. Constructed with a titanium hull, it was ...

Submarines' top speeds are different when they're underwater than when they're cruising on the surface -- and not always in the same direction.

Ever looked at a project that seemed so out there and fantastical you thought, "That will never materialize beyond pretty computer renderings on my touchscreen?" We do so multiple times on any given ...

I have to admit, I have a tendency to drool over pretty much all kinds of vehicles made by man, no matter whether they’re meant to be used on land, underneath it, in the air, or in space. For one ...