Weird Blue Patches on Mars Appear in Ragged Craters

The red planet seems like it's turning blue. A European probe in orbit around Mars just photographed two deep blue patches on the Martian surface, and they might look like lakes to the untrained eye. But the spots are actually layers of dark, volcanic rock that appear blue in the photo taken by the European Space Agency's Mars Express spacecraft.
Winds on Mars blew dark sediment to the areas of the planet.