It Time For Next Phase In Search For Alien Life Scientists Say
The artist's concept depicts Kepler-62e, a super-Earth planet in the habitable zone of a star smaller and cooler than the sun, located about 1,200 light-years from Earth in the constellation Lyra. Image released April 18, 2013.

With more and more Earth-like alien planets being discovered around the galaxy, humanity should now start planning out the next steps in its hunt for far-flung alien life, researchers say.

On Thursday (April 18), scientists announced the discovery of three more potentially habitable exoplanets - Kepler-62e, Kepler-62f and Kepler-69c - further suggesting that the cosmos is jam-packed with worlds capable of supporting life as we know it.

So the time is right to get the ball rolling beyond mere discovery to the detailed study and characterization of promising alien planets, researchers said - a task that will require new and more powerful instruments. [Habitable Super-Earths Ideal for Life (Gallery)]

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