The US is gearing up to sell 3,350 of the Extended-Range Attack Munitions it built for Ukraine's Air Force to strike deeper against Russia.

Another U.S. military mini shuttle blasted off Thursday night to conduct classified experiments in space.

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

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 ...

The uncrewed X-37B Orbital Test Vehicle launched from Cape Canaveral on Thursday evening aboard a SpaceX Falcon 9 rocket.

The launch is set for Thursday, August 21, at 11:50 p.m. ET. Catch the action live right here. The U.S. Space Force’s ...

It won’t have any crew, but the U.S. Space Force hitched a ride on SpaceX to send the Boeing-built X-37B spacecraft — which ...

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

Live updates from USSF-36 mission, which launched at 11:50 p.m. Aug. 21 from NASA's Kennedy Space Center Pad 39A.

The US Department of Defense (DoD) and the Department of the Air Force have signed an agreement with X-energy Reactor Company to advance the development of its commercial microreactor. The agreement ...