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 ...

A mysterious light blue swirl puzzled skywatchers from Britain to Croatia on Monday night. Many thought it looked like an ...

A stunning blue and white spiral spotted in skies across Europe late Monday was created by frozen fuel tumbling from a SpaceX ...

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