A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red Planet.

"The image marks what may be the first time one of the agency’s Mars orbiters has captured the rover driving," NASA said in a statement. The Mars Reconnaissance Orbiter hosts a

Captured by the Orbiter's High-Resolution Imaging Science Experiment (HiRISE) camera, the shot was taken on February 28 this year; this was the 4,455th day of Curiosity's mission after it touched down on Mars on August 6, 2012.