Exploratour - The Surface of Mars
This image shows evidence for running water on the surface of Mars.
Click on image for full size
Image from: NASA
Click on image for full size
Image from: NASA
Leave this Tour and take the Exploratour of the Water of Mars
Water Features on Mars
Although there is no water on the surface of Mars today, there is evidence that there was at one time. There a channels, river valleys and other features that may have been caused by water.