The Ice-Diving Robot That Could Look for Alien Life on Jupiter's Moon

The search for extraterrestrial life begins, often enough, on Earth. In this case, it's an Alaskan glacier, where the robot VALKYRIE is proving its ice-chomping abilities in a field test. VALKYRIE is supposed to one day land on Jupiter's moon, Europa, where it will drill through miles of ice to reach the liquid oceans that could harbor alien life.