Eighteen Earth-like exoplanets are discovered via a new algorithm.

New algorithm digs up 18 Earth-like exoplanets from old Kepler data

Another 18 exoplanets have been added to the haul, but the difference this time is that all of them are roughly Earth-sized – much smaller than the Neptune-sized average found so far. The discovery was made in old data, using a new and more sensitive algorithm.

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