Kepler data has revealed three more exoplanets that are reasonable possibilities for being homes to life. All three are super-Earths-- that is, worlds slightly larger than our own. Two orbit the same star, while the third orbits an unrelated star. Both stars are slightly smaller than our Sun, and all three planets orbit within the habitable zone of their parent star.
Scientists think at least two of the planets are water worlds, so spacefaring civilizations based there are unlikely. Researchers are confident, however, that they are closing in on finding a world very similar to Earth.
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