Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

Russia's state-owned Rosatom announced a prototype plasma engine which could speed up travel to other planets.

SpaceX launched its Starship rocket on its latest test flight Thursday ... the spacecraft indicated an altitude of 90 miles and a velocity of 13,245 mph. Musk said a preliminary analysis suggests ...

The aerospace company is bringing its booster back for a rare land recovery in Central Florida on Tuesday evening – with defeaning sonic booms set to rock multiple counties ...

Unlike chemical rockets that throw out gasses for propulsion ... In the future, spacecraft will need to perform high-velocity ...

It takes a while to build up momentum, however, because, despite moving at high velocity, the ion plume is pretty sparse. The impulse generated is not as immediately forceful as a chemical rocket ...

SpaceX launched its Starship rocket on its latest test flight Thursday ... The last data received from the spacecraft indicated an altitude of 90 miles (146 kilometers) and a velocity of 13,245 mph ...