Scientists discover three 'potentially habitable' planets
Glauconitic-like clay found on Mars suggests the planet once had habitable conditions
Whoa! Milky Way May Harbor 300 Million Potentially Habitable Planets
Plate tectonics complicates the Goldilocks equation
The John Batchelor Show / Habitable Zone at Four Light-Years Out. Bob Zimmerman, BehindtheBlack.com
Study calculates how lucky we are to have a habitable planet
Let's Lose the Term "Habitable Zone" for Exoplanets - Scientific American Blog Network
Earth-sized, habitable-zone exoplanet found hiding in Kepler data | Astronomy.com
Scientists find potentially habitable planet that had been hidden in NASA data
Whoa! Milky Way May Harbor 300 Million Potentially Habitable Planets
Finding habitable planets is one thing, finding life quite another: Bob McDonald | CBC News
Astro Bob: 5,000+ planets — Really? - Duluth News Tribune | News, weather, and sports from Duluth, Minnesota
Amazon.com: Artists depiction of Kepler 22b a planet within the habitable zone of a type G star about 600 light years from Earth in the constellation Cygnus Poster Print (28 x 28):
Habitable Moons - Sky & Telescope - Sky & Telescope
