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The search for Earth-like planets explained

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.

September 15, 2011


Images: Hot spot on Saturn

A new set of infrared images taken by the Keck I telescope in Hawaii shows a warm polar hot spot at Saturn's south pole.

January 21, 2005