Mysterious flying objects, unexplained disappearances, species invasions: a swirl of suspicion has circled our planet for decades, but few definitive answers have been offered. This collection combs through three and a half hours of evidence, interviews, and theories that attempt to explain the unexplained. From astronauts to abductees, a variety of sources submit film footage and firsthand testimonies to be examined in search for the truth.

Presents a history of the space programs of the United States and the Soviet Union and the competition to be the first to land on the Moon

Since the dawn of mankind, we have stared up at the lights in the sky and wondered. Now join the heroic men and women who have dared the impossible on some of the greatest adventures ever undertaken - the quest to reach out beyond Earth.