Alien planet looks 'just right' for life

Astronomers say they've found the first planet beyond our solar system that could have the right size and setting to sustain life as we know it, only 20 light-years from Earth.  "My own personal feeling is that the chances of life on this planet are 100 percent," Steven Vogt, an astrophysicist at the University of California at Santa Cruz, told reporters today. "I have almost no doubt about it."  Click here.