n the early hours before dawn, the U.S. military’s X-37B space plane made a quiet return to Vandenberg Space Force Base in California, completing a 434-day mission that remains largely classified.

The U.S. Space Force's robotic space plane X-37B returned to Earth has returned to Earth after spending more than 434 days in orbit on a classified mission. This was the seventh mission for the X ...

secretive space plane unexpectedly returned to Earth this week after more than a year in space. It was an unusually short mission, but one that tested new flight patterns for the spacecraft.