The ESA captures stunning images of ancient waterways on Mars

Mars as we know it today is a dusty, dried-up ball of rock with a little bit of ice here and there, but things were much different a long time ago. Through the various missions undertaken by NASA and the European Space Agency we've known for a while now that Mars once had a whole lot of water on its surface. Now, a new set of images from ESA's Mars Express satellite offers a look at what was once a very wet area of the Red Planet. The photos show a landscape that, aside from the obvious impact c...