B, which has been in space since December 2023 as part of its seventh mission, remains shrouded in mystery. The United States ...

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

We've never seen the shadowy spacecraft while in orbit, and still barely know what it's up to up there. The United States Space Force just offered a rare glimpse of its shadowy X-37B space plane ...