Astronomers have found a nearby solar system with seven Earth-sized planets, potentially with liquid surface water, raising the prospect of life....
Astronomers have found a nearby solar system with seven Earth-sized planets, potentially with liquid surface water, raising the prospect of life....
Bill Mesler, who has co-written a book about the scientific explorations of the origin of life, recently described some theories including the increasing popula...
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Planet-hunters have new evidence of a planet, about 1.1x Earth's size, in orbit around another star. Kepler 186f, the outermost world of a 5-planet system, revo...