Three new planets that could host life have been discovered, NASA scientists said today.
The "super Earth-sized" worlds were found in the habitable zone outside the solar system by NASA's Kepler satellite.
Space scientist Bill Borucki said two of the planets, named Kepler-62e and Kepler-62f, were "the best candiates found to date for habitable planets."
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Another cold, frosty and foggy night for many. Northern and western areas will see thickening cloud, patchy rain and milder temperatures.
Temperatures have already plunged to -12C in some parts of the UK this winter - but Thursday could be the coldest day yet.