The U.S. military's top-secret X-37B space plane has returned from a mysterious 434-day mission in orbit. The enigmatic ...

U.S. military’s X-37B space plane made a quiet return to Vandenberg Space Force Base in California, completing a 434-day ...

The X-37B is a reusable robotic space plane operated by the US Space Force. It resembles a miniature space shuttle at just ...

"The successful execution of the aerobraking maneuver underscores the U.S. Space Force’s commitment to pushing the bounds of ...

The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit ...

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

The U.S. Space Force said in a news release that the craft had "accomplished a range of test and experimentation objectives." ...

United States Space Force's X-37B Orbital Test Vehicle returned to Earth yesterday (March 7) following its seventh mission to ...

We've never before seen the mysterious spacecraft in orbit, and only the U.S. Air Force knows what its doing up there ...

Over the weekend, the US Space Force shared a photo taken by the spacecraft X-37B during its most recent secret mission. It’s the first operational image shared while the space plane is in orbit.