'Bumpy' ice on Mars points to active water cycle - space - 02 May 2007 - New Scientist Space by ubernoir at 5:35 am EDT, May 3, 2007
The depth at which ice can be found below the surface of Mars varies greatly, new temperature maps made by NASA's Mars Odyssey spacecraft reveal. The 'bumpy' ice appears to be involved in an active martian water cycle.