NASA tests robotic tools to crack the surface of icy moons

While the Mars rovers are searching the red planet for water over the next decade, there are whole moons full of the stuff just waiting for us to come visit. At least, that’s the theory. But missions to Europa and Titan are still hypothetical, so in the meantime NASA is toying with ideas about how a lander would get through the miles of ice that lie on top of these extraterrestrial oceans. Read More