The Kepler mission has confirmed its first potentially habitable world, a planet 600 light-years from Earth in a 289-day orbit around a smaller, cooler version of our sun. The planet is a "super-Earth ...

635 light-years from where you are sitting, way out in outer space, lies a planet. The first planet to be discovered inside the habitable zone of a Sun-like star. Its name is Kepler 22-b. When a ...

Earth is the only life-supporting planet in our Solar System. Until now. Today, we're bringing Kepler 22-b into our planetary neighborhood. Where would this planet need to orbit within the Sun’s ...