NASA has created a map showing how water is distributed on Mars. The water is frozen under the surface of the planet, and some of it is only 30 cm (12 inches) deep. At that depth, astronauts won’t need a machine to access it: just a shovel. Ancient Mars used to be warm and had … Continue reading NASA Maps Out the Water On Mars. Some Will Be So Easy to Get, You Could Dig it Out With a Shovel