There is water ice on Mars within reach of the Mars Phoenix Lander, NASA scientists announced Thursday. Interesting read at Wired Science, read on:
http://blog.wired.com/wiredscience/2008/06/mars-phoenix-tw.html

"Are you ready to celebrate?  Well, get ready: We have ICE!!!!! Yes, ICE, *WATER ICE* on Mars!  w00t!!!  Best day ever!!" the Mars Phoenix Lander tweeted at about 5:15 pm.

These guys keep celebrating with every success and I’m totally agree with it! keep up the great work NASA!!!