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Kepler Space Telescope

Artist conception of Kepler-186f, which  orbits a red dwarf star about 500 light years from Earth in the constellation Cygnus.  (Image credit: NASA Ames/SETI Institute/JPL-Caltech)

Astronomers Spot Most Earth-Like Planet Yet

Kepler-186f is a rocky planet that orbits a red dwarf star 500 light years away and exists in the Goldilocks zone, where conditions for life may be just right.

04/17/2014

Scientists have found a planet way out in the cosmos that's close in size and content to Earth — an astronomical first. (Photo by NASA via Getty Images)

Scientists Find First Earth-Size Planet With Rocky Core

Scientists have found a planet way out in the cosmos that’s close in size and content to Earth — an astronomical first.

CBS Tampa–10/30/2013