Watch how Stoke Space Hopper 2 prototype conducts a vertical takeoff and vertical landing (VTVL) in Moses Lake, Washington.

Aug. 22—Albuquerque-based defense company X-Bow Systems is partnering with the U.S. Army to design, prototype and test an advanced solid rocket motor. The $13.9 million joint investment was announced ...

An experimental SpaceX rocket exploded at the end of a high-altitude test flight Tuesday, but heavy fog at the site left even SpaceX at least publicly uncertain about exactly what caused the explosion ...

"This milestone marks the beginning of the 'combined tests,' during which the interface between Themis and the launch pad's ...