The U.S. military's top-secret X-37B space plane has returned from a mysterious 434-day mission in orbit. The enigmatic mission 'broke new ground' for reusable space technology, according to the U.S.

The US Space Force first demonstrated this tactically responsive capability with a launch on Firefly's Alpha rocket in 2023. As part of this "Victus Nox" test flight, a satellite was encapsulated into ...