A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than previous ion engines.

SpaceX launched the first test flight of its upgraded Starship rocket and Super Heavy booster Friday, with mostly positive ...

The most powerful rocket in history just roared off its launch pad in a spectacular show of power and technology. SpaceX ...

Perfecting SpaceX's mammoth rocket will be critical to NASA's plans for returning astronauts to the surface of the moon.

SpaceX will test its giant rocket designed to one day take people to the moon and Mars on Friday after scrubbing an attempt on Thursday. Starship, with a height of over 400 feet, is the largest and ...