The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...
NASA just nudged its Mars ambitions forward with a lab test of a new ion engine that vastly outmuscles anything it's flown ...
A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...
Record power levels: NASA’s experimental MPD thruster achieved 120 kW in tests, the highest electric propulsion power level ever reached in the U.S. Mars mission potential: The lithium-fed engine ...