Most of the universe is incredibly hostile: It's a vacuum, it's freezing cold or burning hot near a star. The first habitable planet found outside our solar system is in a habitable-zone orbit; it's a place of refuge from the unbelievable harshness of the universe. Follow Steve Vogt, a UC Santa Cruz professor of astronomy and astrophysics, into the Lick Observatory, where he has devoted years of research to find Earth-like planets.