America built the X-15 to get flight data in the unknown between airplanes and spacecraft. -The rocket-powered, Inconel-X research plane, air-dropped from a B-52 and driven by a throttleable XLR99, ...

-Air-launched from a B-52, the X-15 reached a record-breaking speed of Mach 6.7 and flew high enough to earn astronaut wings for eight of its pilots. -While never intended as a weapon, the X-15 was a ...

On Aug. 22, 1963, U.S. Air Force Captain Joe Walker flew an X-15 space plane higher than any pilot had ever flown before. Walker reached an altitude of over 67 miles (108 kilometers). That's about 5 ...

Florida's Space Coast has become known for its rocket launches, which has notably increased in the past few years. Aside from the "ooh, ahh" factor of a launch virtually morning, noon or night − with ...

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

The X-37B space plane, recently returned from a 430+ day mission, is preparing for its eighth launch. Scheduled for no earlier than August 21st from Kennedy Space Center, the mission will focus on ...

The latest mission of the U.S. Space Force's mysterious X-37B space plane is underway. The robotic X-37B lifted off atop a SpaceX Falcon 9 rocket from NASA's Kennedy Space Center (KSC) in Florida ...

The X-37B military space plane is built by Boeing for the US Space Force. ULA Atlas V and SpaceX Falcon Heavy rockets have sent the X-37B space plane to orbit from Cape Canaveral, Florida. Florida's ...