European astronomers have discovered an Earth-like planet 20.5 light years away, in orbit around the star Gliese 581. This planet is at an ideal distance away from its star, in order to support non-freezing, non-vaporizing water.
http://www.space.com/scienceastronomy/070424_hab_exoplanet.html
http://www.space.com/scienceastronomy/070424_hab_exoplanet.html