Exoplanet in the 'habitable zone' for alien life

New research points toward an exoplanet that may be capable of supporting life 20 light-years away from Earth.
Scientists found an intriguing world in our galaxy.
Here are some pics of most earth-like exoplanets uploaded by NASA: Gliese 667Cc, 22 light-years from Earth, is 4.5 times Earth's mass, orbits its cooler red dwarf star in 28 days, and likely resides ...