'Super-Earth' planet spurs hope for billions more
Astronomers have detected a rocky "super-Earth" planet orbiting a nearby star in a region where life could possibly exist, a finding that led one of the team from UC Santa Cruz to predict there must be billions more of...
Planet found at perfect spot for life - in solar system with three suns
Scientists have found a planet about 4.5 times the mass of Earth that orbits in the heart of its star's habitable zone, with two other suns orbiting much farther away. Is there water or the potential for life? Perhaps. But the planet could also be a two-faced world of scorching sun and perpetual ice.
Fourth potentially habitable planet is discovered
International astronomers said on Thursday they have found the fourth potentially habitable planet outside our solar system with temperatures that could support water and life about 22 light-years from Earth.