The X-37B, the US Space Force's secretive space plane, will soon take flight again.

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

Who watches the watchmen and who spies on the spy satellites? It turns out it's an optical package called Morning Sparrow ...

This spacecraft is the stuff of space dreams! The state-of-the-art Dream Chaser is the only spacecraft NASA currently funds ...

A U.S. spaceplane will head to the heavens next month to test a quantum sensor that could help navigation in orbit without ...

This story was updated at 9:49 a.m. EDT."We took it out of the NASA attic," Mark Sirangelo, chairman of Sierra Nevada, told reporters this month at the 28th National Space Symposium. "We think, in ...

FILE PHOTO: Boeing CEO Kelly Ortberg arrives to testify before a Senate Commerce, Science, and Transportation Committee ...