Could Life Exist on Newfound Alien Planet?

Dec 21, 2012
Originally published on December 21, 2012 1:08 pm

In a paper to be published in Astronomy & Astrophysics, researchers identified five possible planets around the star Tau Ceti. One of these alien worlds is within the star's habitable zone. Study co-author Steven Vogt discusses whether life could exist on the planet.