In this spectacular series, Professor Brian Cox explores the story of humanity, asking some of the biggest questions we can ask: Are we alone? Why are we here? What is our future? Venturing into incredible places across the globe and drawing on the latest scientific theories, he looks at everything from the nature of consciousness and language to the human need to search deeper into the unknown and our compulsion to discover alien life in the universe. In this definitive exploration of our past, present and future, the series concludes with a visionary image of what could lie ahead.