This artist's concept shows an overhead view of the orbital position of the planets in systems with multiple transiting planets discovered by NASA's Kepler mission, and announced on Jan. 26, 2012.

Here's a look at that closest Earth twin in pictures. This artist's illustration depicts the surface of the newfound exoplanet Kepler-452b, a planet about 60 percent wider than Earth that lies ...

Kepler-22b, the most Earth-like planet ever discovered, is circling a star 600 light years away. It is the smallest and the best positioned to have liquid water on its surface - among the ...

This means that Kepler-22b may have liquid water on it like Earth, making it our closest possible sister planet. As NASA writes, "the planet is 2.4 times the size of Earth, making it the smallest ...

Kepler will continue conducting science operations until at least November 2012, searching for planets as small as Earth, including those that orbit stars in a warm habitable zone where liquid water ...

Habitable zone planets (from left to right) Kepler-69c, Kepler-62e and Kepler-62f are shown here to scale relative to Earth. A total of 715 new planets were recently found in our region of the ...

Kepler-1520b and K2-22b are worth the effort ... After that, it could help us shoot the first clear images of those planets’ biggest secrets. Their rocky guts.

trained a computer how to differentiate between images of cats and dogs. They refined their approach to identify exoplanets in Kepler data based on the change in light when a planet passed in ...

Among the five planets in the distant Kepler-20 star system are Kepler-20e ... we’d have the probe coming back with pictures—real pictures—of another world.” ...

It doesn't send back beautiful images of the sort we associate ... the planet is and how far it orbits from its star. Kepler's search for planets isn't random. In fact, it's very precise and ...

Between 2009 and 2013, Kepler took pictures of 200,000 stars every half hour, about 10 pixels per picture. If a star dims and brightens in a repeating cycle, that could mean a planet is orbiting it.