Reveals a story of personal achievement and technological triumph, seen through the eyes of dozens of leading authorities on the leading edge of planetary exploration and on both sides of the high-stakes Cold War race into space. From our first glimpse of the dark side of the moon to the first high-risk dash through the rings of Saturn; from the search for extraterrestrial life to humanity's possible future on alien worlds, it's an epic journey of cosmic discovery, amazement and adventure.