New NASA images show layers of ice peeking out of eroded cliffs—a potential boon for future humans on the red planet. By Michael Greshko National Geographic, 01.11.18 At sites across the midsection of Mars, scientists have found layers of water ice buried mere feet beneath the red planet’s surface. The discovery adds crucial detail to Mars’s geologic history, and it may shape how future humans on Mars get their water. “This is a new window into ground ice on Mars,” says Colin Dundas,… READ MORE >