A NASA spacecraft bound for an unexplored metal-rich asteroid has reignited its plasma thrusters, continuing its cruise deeper into the Solar System after switching to a backup fuel line. The $1.4 ...

NASA’s Psyche spacecraft, located nearly 150 million miles from Earth on the way to an unexplored metal asteroid, has stopped firing its engines after detecting a problem in its propulsion system.

The spacecraft, bound for a metallic asteroid, turned to snap a striking image of our home planet from 180 million miles away. NASA's Psyche spacecraft, which is headed toward a big and bizarre metal ...