American space agency NASA is busy checking the safety systems and the procedures for the first flight of the X-59 supersonic ...

During its secretive mission, the X-37B will test new laser communications gear and a "quantum" navigation sensor.

The U.S. Space Force’s secretive X-37B is a reusable, unmanned spaceplane whose true mission remains a mystery. -Its eighth ...

Live updates from USSF-36 mission, which launched at 11:50 p.m. Aug. 21 from NASA's Kennedy Space Center Pad 39A.

OTV-8 is the third X-37B mission to launch on a SpaceX rocket. (Two have employed Falcon 9s and one lifted off on a Falcon Heavy ). The other five flew atop United Launch Alliance's workhorse Atlas V, ...

The "quiet supersonic aircraft's historic first flight is on the horizon, with final ground tests about to begin." That's how NASA decided to mark this year's National Aviation Day, getting us all ...

In the dark of night, SpaceX will launch the mysterious X-37B space plane for the U.S. Space Force (USSF). A Falcon 9 rocket ...

Bell's revolutionary X-plane rotorcraft has received the green light to progress to the building and testing of a demonstrator aircraft. DARPA has down-selected the craft to move to Phase 2 of the ...

Discover the story of the North American X-15's first powered flight on September 17, 1959, when Scott Crossfield piloted the ...

Bell will get a chance to build an X-plane demonstrator for high-speed vertical-takeoff-and-landing technology based on a stop/fold tiltrotor. DARPA selected Bell over a rival bid from Boeing-owned ...