Weird Mars Rock Spied by Curiosity Rover Is Probably a Meteorite

NASA's Mars rover Curiosity has stumbled onto another rock that likely fell from space. The object is a small, dark-gray spot among the reddish rock and dirt that make up the Martian surface, so it caught mission scientists' eyes. "You can even see the three spots in the image of Ames Knob where the ChemCam laser zapped the target," NASA spokesman Guy Webster, from the agency's Jet Propulsion Laboratory (JPL) in Pasadena, California, told Space.com via email.