So far we've discovered over 300 planets outside of our solar system, it makes one start to wonder if we might find alien life forms sooner than later (or at least a planet that might support life):
Life in outer space? Astronomers hunt aliens
Japan’s project involves astronomers filming one star over several nights
"Japan's biggest astronomical observatories are teaming up for an unprecedented quest to find out whether there is life in outer space. The project, led by Japanese astronomers, will bring together a dozen or more observatories from all over the country to study one star that researchers see as a potential home to an extraterrestrial civilization."