A dead satellite can become a high-speed hazard in an orbit that is already packed with working spacecraft. That risk is why ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

Finding could have applications in acoustic-levitation-assisted 3D printing, mid-air chemical synthesis and micro-robotics ...

Due to the unique conditions of the space environment and abundant resources, the field investigation and study of the Moon, Earth’s sole natural satellite, represent a crucial milestone in China’s ...