WASHINGTON - A newly discovered planet is eerily similar to Earth and is sitting outside Earth's solar system in what seems to be the ideal place for life, except for one hitch. It is a bit too big.

Imagine the potential for life and unique environmental conditions if the exoplanet Kepler-22b were located within our solar system. Paid sick leave repealed for millions in Missouri Critically ...

Kepler-22b Kepler-22b, 600 light-years away, is a super-Earth in its star's habitable zone, 2.4 times Earth's size, with a 290-day orbit.