ESA Finds Surface Water Ice on Mars!

The European Space Agency has released an amazing photo (below) of a large lake of water ice in a crater on Vastitas Borealis in the northern hemisphere.

There is more info/news at:

You can also browse the ESA’s Mars Express photos, at the time of writing the ice crater were the latest ones there.

Perspective view of crater with water ice - looking east (c) ESA 2005

This photo is linked from the Planetary Society.