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

The Space Force operates the Global Positioning System satellite network to provide navigation services to ships, airplanes, ...

Within six months of touching down from a 434-day orbital mission in March, Boeing’s X-37B spaceplane is back in action.

The spacecraft flew from NASA's Kennedy Space Center in Florida on a SpaceX Falcon 9 rocket. While many of the experiments it ...

The latest mission of the U.S. Space Force's mysterious X-37B space plane is underway.The robotic X-37B lifted atop a SpaceX ...

For the first time, the US military shared an orbital selfie from its mysterious X-37B space plane, which captured Earth from high above Africa.

The U.S. Air Force's X-37B miniature space plane has winged past 340 days in orbit performing secretive duties during the program's fifth flight. The robotic craft's latest mission, known as ...