During the first six missions, the X-37B spent more than 3,774 days in orbit. It launched on its current mission, OTV-7, on ...

NASA's 'quiet' supersonic jet is getting ready to take off NASA is continuing development of the X-59, an experimental supersonic aircraft designed to make sonic booms quieter. The X-59 is not ...

The X-37B Holds A Novel Place In Family Tree of Reusable Spacecraft is available to both Aviation Week & Space Technology and AWIN subscribers. Our award-winning editors bring news, analysis and ...