The Dream Chaser space plane was integrated with the 'Shooting Star' module at NASA's Armstrong Test Facility in Ohio. Sierra ...

Sierra Space reached for the stars but never got off the ground. The privately held company burned through much of the $1.7 ...

Lockheed Martin's revolutionary X-59 supersonic jet completes first test flight, designed to break sound barrier with quiet 'thump' instead of sonic boom.

NASA and Lockheed Martin debuted their first test run of a low-volume supersonic jet that’s expected to allow air passengers ...

NASA and Lockheed Martin's X-59 supersonic demonstrator has completed its maiden flight from Palmdale, California, marking a ...

NASA did not announce the flight publicly ahead of time. Following the flight, acting NASA administrator Sean Duffy praised ...

Space X's Falcon Heavy rocket returned to the skies Thursday night, launching a mysterious spacecraft for the U.S. military. The rocket lifted off from NASA's Kennedy Space Center in Florida. It's ...

NASA is under growing pressure to release long-awaited images of the rare interstellar Comet 3I/ATLAS, only the third known ...

The X-59 successfully completed its inaugural flight—a step toward developing quieter supersonic jets that could one day fly ...