First image of an asteroid taken from the surface of Mars

First image of an asteroid taken from the surface of Mars

The Mast Camera (Mastcam) on NASA's Curiosity Mars rover has captured the first image of an asteroid taken from the surface of Mars. The night-sky image actually includes two asteroids: Ceres and Vesta, plus one of Mars' two moons, Deimos, which may have been an

Dawn spacecraft set to leave Asteroid Vesta (video)

Dawn spacecraft set to leave Asteroid Vesta (video)

Dawn spacecraft is on track to become the first probe to orbit and study two distant solar system destinations. The spacecraft is scheduled to leave the giant asteroid Vesta on Sept. 4 to start its two-and-a-half-year journey to the dwarf planet Ceres. Dawn began its