The asteroid Donaldjohanson, as observed by NASA’s Lucy Spacecraft on April 20, 2025. The grayscale optical image is overlaid by a false-color map indicating the gravitational slopes on the asteroid’s surface. NASA's Lucy spacecraft is on a long-haul, first-of-its-kind voyage to unlock the secret history of our solar system, but it's also filling in more details about more ordinary space rocks along the way.