Why the universe may be teeming with aliens

As astronomers explore newly discovered planets and create computer simulations of virtual worlds, they are discovering that water, and life, might exist on all manner of weird worlds where conditions are very different from those on Earth. And that means there could be vastly more habitable planets out there than we thought possible.
READ MORE: http://www.newscientist.com/article/mg20026831.600-why-the-universe-may-...