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

NASA just nudged its Mars ambitions forward with a lab test of a new ion engine that vastly outmuscles anything it's flown ...

Earlier this year, rocket scientists at NASA fired up an electromagnetic thruster powered by lithium metal vapor.

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