NASA just found 'Earth 2.0'

Earth could become uninhabitable at any moment due to global warming, nuclear annihilation or having to deal with another Transformers movie, but NASA just discovered a distant cousin.Meet Kepler-452b, the planet the agency calls "Earth 2.0." It was discovered by NASA's floating observatory orbiting in the "habitable zone" of constellation Cygnus.At a distance of 1,400 light-years away, it's too far away to travel to right now. But it's promising to hear it has temperatures c