Are we truly alone in the cosmos? Our young planet was bombarded by ice and organic matter from space... Could our own origins actually be extraterrestrial? Are our neighboring planets teeming with living things... and does life reach all the way to the stars? JOIN TODAY'S TOP ASTRONOMERS IN A SEARCH THAT SPANS THE UNIVERSE! Science at the EdgeLaunching the airborne SOFIA telescope to search for life in other galaxies • Building the Large Binocular Telescope—10 times stronger than Hubble • Chasing a comet with the spacecraft STARDUST—and returning samples to Earth • Probing Saturn's methane-cloaked moon Titan with a giant neutron blaster • Going under the sea to hunt for "dark matter" • Using the world's largest particle accelerator to discover the ultimate "God Particle"