A Small, Shiny Object in Space: What's at Stake for Psyche? NASA's Psyche spacecraft is currently passing Mars on its journey to a rare metal asteroid.
As it zooms by the red planet this week, the spacecraft is receiving a crucial gravity boost that will help propel it toward its destination.
The asteroid belt contains millions of objects, but only a handful are thought to be metal rich like Psyche, a peculiar potato shaped world.