Hunt for Alien Worlds

Are we alone in the universe? The dream of answering that question might finally be coming true. For most of this century, astronomers have tried and failed to find evidence of other planets beyond the Solar System. Suddenly, with improved telescopes and faster computers, we now have the tools to find, for the first time, worlds beyond our own. NOVA follows a new breed of planet hunters as they race to find proof that other planets do exist.