Is it bulky, with a thick hide, and does it love to wallow in the mud? Just why did the Navy's F-18 Super Hornet fighter jet ...

NASA and Boeing have effectively cancelled the X-66 Transonic Truss-Braced Wing (TTBW) concept demonstrator aircraft.

Boeing and NASA are to pause development of the X-66 flight demonstrator to focus their research on the evolution of long, ...