Martian Minerals Found By Curiosity Hint They Formed In An Icy Lake
Over the last eight years , NASA ’s Curiosity has been exploring Gale Crater , which was once a vast lake on the surface of Mars . The rover ’s work has been key to expanding our understanding of what happened to this lake when the climate changed one thousand million of years ago . Now , results from one of the rover ’s experiments has provided challenging insight ....