We tend to assume Earth is a rare cosmic fluke, but a full analysis of NASA's Kepler data found at least 300 million rocky, habitable-zone planets around Sun-like stars in the Milky Way alone — and that is the conservative count

We tend to assume Earth is a rare cosmic fluke, but a full analysis of NASA's Kepler data found at least 300 million rocky, habitable-zone planets around Sun-like stars in the Milky Way alone — and that is the conservative count Space Daily