Searching for Earth 2.0

Nov 15, 2013

One in every five sunlike stars in the Milky Way may have an Earth-sized planet circling it in the Goldilocks zone--the sweet spot where liquid water could exist. That's according to a new analysis of data from the Kepler spacecraft. Sara Seager, an exoplanet hunter at MIT, talks about what's next in the hunt for Earth 2.0.