China's answer to the X-37B is doing something in Earth's orbit and nobody is quite sure what that might be.
The vehicle, which remains shrouded in mystery, has been described as a 'reusable experimental spacecraft'.
Virgin Galactic's new spaceplane blasted through the sky on Thursday after firing its rocket engine for the first time.
Sierra Nevada has announced that its Dream Chaser spaceplane has completed a critical free-flight test.
China is aiming to revolutionize space travel by developing an ambitious new plane/spacecraft hybrid.