X-37B is an unmanned US Air Force space plane. The X-37B made a successful return on Friday after 220 days in Earth orbit.
Amateur astronomers say they have found the X-37B in an orbit that takes it over Afghanistan and Iraq. A former Air Force missile officer offers up four possible uses for the space plane – and weapon is least likely.
A group of amateur skywatchers spotted the US Air Force's secret X-37B space plane orbiting the globe.
The successful X-37 space plane launch Thursday evening improves the Air Force's access to space, officials say, but its mission is being kept secret.
Air Force spokesman says X37-B space plane is not a "weaponization of space."
The secretive X-37B robot space plane was launched late Thursday. Destination unknown.
The X-37, an unmanned miniature space shuttle, is set to launch Thursday night. Slowly, some details have begun to emerge about the mysterious Pentagon space plane.
Shrouded in secrecy, the Air Force mystery spaceship X-37B will launch tonight in Florida.
The Air Force is to launch the first test flight of the X-37 pilotless space plane Wednesday. It's meant to stay aloft for months, but its mission is secret, leading some to worry about its purpose.