Seeking Earthly Clues to Alien Life Astronomy Now

The highest lake in the world is located in this volcano’s crater. NASA / SETI / In the vast wasteland of Chile’s Atacama Desert, yearly rainfall is measured in tenths of inches and life is scarce. Yet, rising above its barren landscape, at an elevation of 19,410 feet (5,916 meters), Licancabur Volcano holds an ice-covered crater lake that’s teaming with life. At this lake