SpaceX, United Launch Alliance rockets have sent secret X-37B mini shuttle to orbit many times. Photos show what it looks ...

On Aug. 21, a SpaceX Falcon 9 rocket carried the Boeing-built X-37B Space Force space plane to orbit on its eighth mission.

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

The Space Force's mysterious X-37B space plane is set to lift off from Kennedy Space Center this week. Here's what we know about this secret mission.

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 ...

Frequent launches and long stays in orbit reflect the military’s focus on potential conflicts in space.

Space Force is sending the X-37B up once again, this time to test laser communications and a “quantum inertial sensor.” ...