Long before the first rays of sunlight brushed the California horizon, an extraordinary homecoming took place. The U.S.

The US government's top-secret X-37B space plane returned to Earth after a 434 ... the 29-foot-long X-37B with a 15-foot wingspan is designed to test advanced technologies, including propulsion ...

Explore the results of the seventh mission of the U.S. Space Force reusable spacecraft, X-37B, with its return to Earth ...