You already have seen many landscapes of Mars, you know that there is water and probably traces of life, and you have read about the plans of Elon Musk to visit the Red Planet. But how much do you actually know about our space neighbor? Although there are still many mysteries to solve, scientists already know a lot about Mars. Lets have a look at this 10 interesting facts about Mars that you probably did not know earlier. Advertisement 1. Like Earth, Mars has ice caps on its poles. The northern cap is deep up to 3.2 kilometers and extends...