<p></p> <p>Catastrophic flooding triggered by ice melting from the heat of volcanic activity is thought to be responsible for the chaotic scenery depicted in this region of the Mangala Valles channel
<p style="text-align:center"><br /> <em>This mosaic, which features the spectacular Kasei Valles, comprises 67 images taken with the High Resolution Stereo <a href="http://www.winnybids.com">Camera</a> on ESA’s Mars Express. The mosaic spans 987 km
<p>NASA’s Mars Exploration Rover Opportunity has found bright veins of a mineral, apparently gypsum, deposited by water. Analysis of the vein will help improve understanding of the history of wet