NASA's Deep Space Optical Communications demo goes dark
Laser-based deep-space communications achieved multi-hundred Mbps at close range and sustained multi-megabit downlinks at 386 million km, greatly exceeding traditional radio bandwidth.
NASA's Psyche spacecraft hits a speed bump on the way to a metal asteroid
Each electric thruster on Psyche generates about 250 milli-newtons of thrust, but their efficiency over months makes them preferable to conventional rockets for long missions.
