[KathyT]

Originally Posted by Antaletriangle

http://www.universetoday.com/2009/02...ected-on-mars/
February 18th, 2009



Growing water droplets on Phoenix's legs? (NASA)

And it could be rain.
There are many Mars photos showing ice caps on the poles, so there is water on Mars. If you have even been in arid places (sand/rocky soil) where it rains quickly and then in two minutes it's blazing sun... you could imagine it raining on Mars.