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.

Nearly 150 million miles away from its operators, Psyche has hit a slight snag. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Tuesday (April ...

At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ...