The core stage of NASA's next Space Launch System (SLS) rocket recently completed integration with the vehicle's side ...

A giant whirlpool of light, known as a "SpaceX spiral," was recently spotted swirling across the night sky over Europe as a ...

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people from England to Eastern Europe.

Researchers have developed scalable lightsails, ultra-thin, reflective structures that use laser-driven radiation pressure to ...

Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to achieving that dream.