NOVA follows a heart-pounding voyage of discovery, from the laboratory to the control room to the surface of Titan itself. Orbiting Saturn, more than a half-billion miles from Earth, an orange moon named "Titan" keeps many secrets that may hold the key to the origins of life. This mysterious moon is one of only four astral bodies in the solar system to have an atmosphere, and the only one believed to resemble that of early Earth. Scientists have set their sights on Titan with the hope of understanding the past of our own planet. It is a bold mission that gambles a lifetime of work on a single satellite. visit the website...