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An illustration imagines what Kepler-186f may look like.
T. Pyle/NASA Ames/SETI Institute/JPL-Caltech
May 7, 2014 NASA's Kepler satellite has spotted an Earth-like planet in the habitable zone of another star. Commentator Marcelo Gleiser says this "a truly remarkable achievement."
This artist rendering provided by NASA, shows Kepler-11, a sunlike star around which six planets orbit.
February 26, 2014 The space agency announces a stunning discovery, as the Kepler mission identifies 715 new planets that orbit 305 stars. The finding boosts the verified number of such planets by around 70 percent.
October 31, 2012 NASA's Kepler Mission has been spotting many "Earth-like" planets within our galactic neighborhood. But what fraction of these Earth-like planets are really like our planet? The more we learn about Earth's remarkable properties, the rarer our planet seems to be. And with it, the life it hosts.
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