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Newly discovered super-Earth orbits in and out of its star's habitable zone. Could life survive its extreme climate?
Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...
NASA spots 'super Earth' 20 light-years away that could have ALIENS
For millennia, humans have asked whether we are alone in the universe, yet the discovery of aliens still eludes us. But if ...