NASA Redefines Life Zones for Alien Planets --"Nixes Earth-Sized Planet of Our Closest Neighbor Red Dwarf Star Proxima Centauri"

"If we want to find an exoplanet that can develop and sustain life, we must figure out which stars make the best parents," said Vladimir Airapetian, lead author of the paper and a solar scientist at NASA's Goddard Space Flight...