China’s Chengdu J-36/JH-XX and Shenyang J-50/J-XDS prototypes have already flown, prompting claims that Beijing is winning ...

NASA and Boeing are pausing the development of the X-66 full-scale Sustainable Flight Demonstrator. Instead, they will re-focus their efforts on demonstrating the benefits of thin-wing technology.

Boeing's autonomous X-37B spaceplane is scheduled for its eighth mission (OTV-8) on August 21, launching via a SpaceX Falcon 9 rocket. The OTV-8 mission will test advanced technologies, including a ...

Aerodynamic and structural data on the X-66 were obtained from wind tunnel tests of a 5.3%-scale model in the Transonic Unitary Plan Facility at NASA’s Ames Research Center in California. Credit: ...