Enlarge / Artist's illustration of NASA's Psyche spacecraft, now set to launch in October 2023. The Psyche mission will explore a metal-rich asteroid of the same name that lies in the main asteroid belt between Mars and Jupiter. (credit: NASA/JPL-Caltech/ASU) One year after NASA announced an indefinite delay of a much-anticipated mission to visit a metal-rich asteroid, the agency said Monday that the Psyche spacecraft is back on track.