Four crew members will embark on a new long-duration science expedition when they launch to the International Space Station ...

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

Organic semiconductors: An active semiconductor layer composed of organic (carbon-based) materials is used in organic solar ...

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

DARPA scientists are exploring ways to grow massive biological objects, such as telescope antennas or huge nets to snag ...