NASA - National Aeronautics and Space Administration

This false-color image shows dozens of beds within a light-toned deposit located within a trough in the Noctis Labyrinthus region of Mars. Image credit: NASA/JPL-Caltech/University of Arizona
› Full image and caption Variations in composition of light-toned deposits in troughs on Mars suggest a diversity of water-related processes, based on analysis of observations by NASA's Mars Reconnaissance Orbiter.

› Read the Planetary Science Institute release