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 ...
NASA just nudged its Mars ambitions forward with a lab test of a new ion engine that vastly outmuscles anything it's flown ...
On February 24, 2026, inside a vacuum chamber at NASA’s Jet Propulsion Laboratory in Pasadena, California, engineers ignited ...