The Final Frontier and the ultimate mystery. Scientists areinvolved in a never-ending quest to understand the vastuniverse our planet inhabits. But it seems that for each answerscience provides, even more questions arise. Our own solarsystem is populated by mysterious objects and phenomenon thatseem to defy our attempts to understand them. And when we getdeeper into space, the mysteries only deepen. What could laybeyond the confines of the Milky Way? Are there galaxiessimilar to our own? Could they be capable of sustainingintelligent life? And is that life trying to contact us?