The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

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

A powerful new electromagnetic thruster has taken a major step forward after a successful high-energy test at NASA’s Jet Propulsion Laboratory. Fueled by lithium vapor and driven by intense magnetic ...

Inside a long vacuum chamber in Southern California, a spacecraft engine glowed white-hot as it pushed toward a level of ...

NASA's lithium-fed MPD thruster achieved 120 kilowatts in a recent test, marking a significant step toward faster crewed Mars ...

NASA has successfully tested a magnetoplasmadynamic thruster with lithium propellant. The technology is considered key for ...