The search for Earth-like planets explained: CNET News Video
CNET News Video: The search for Earth-like planets explained5:12 /
How close are we to finding alien life? CNET contributor Boonsri Dickinson visits Geoff Marcy's lab at the University of California at Berkeley to hunt for Earth-like planets. Using the Keck telescope in Hawaii and data from the Kepler telescope, Marcy can detect planets millions of miles away.