Ion thruster

NASA visualizes asteroid capture plan
NASA’s NEXT ion thruster runs five and a half years nonstop to set new record
NASA’s proposed asteroid-snaring mission would ride on Glenn ion engines
Ionic Thrusters the Next Big Thing in Powering Aircraft?
NASA’s NEXT ion thruster clocks up continuous operation world record
NASA examines hybrid solar-electric propulsion for manned space missions
Engineer Thinks We Could Build a Real Starship Enterprise in 20 Years