May 05, 2014 11:48 PM EDT
Habitable Exoplanets are Bad News for Humanity
Last month, scientists announced the discovery of Kepler-186f, a planet 492 light years away in the Cygnus constellation. Kepler-186f is special because it marks the first planet almost exactly the same size as Earth orbiting in the “habitable zone” – the distance from a star in which we might...