Mars is caked in patchy ice, say NASA scientists

[Rick]

Up to half the Martian surface could be covered with ice, according to the latest results released by NASA's Jet Propulsion Laboratory.

And thanks to new scanning techniques, scientists can say where the ice is with greater precision than ever before. This more detailed map should help NASA's Phoenix lander to work out where to dig when it arrives on the red planet in 2008.

More: http://www.theregister.co.uk/2007/05/03/ice_mars_thermal/