Cygnus Constellation

An artist's conception of Kepler-78b orbiting its parent star once every 8.5 hours. (Source: NASA.gov/Cfa: David A. Aguilar)

Scientists Discover First Earth-Sized Rocky Planet Like Ours

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

CBS Miami–10/30/2013

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