6 Season
47 Episode
NASA's Unexplained Files - Season 4 Episode 4 The Earth Next Door
Astronomers detect a potentially habitable planet tantalizingly close to Earth. A chance discovery at NASA reveals a top secret military space program. The Apollo missions bring back evidence that the moon may be rich in the building blocks for life.
- Country : United States of America, United Kingdom, India
- Genre : Documentary, Talk, Mystery
- Director :
- Cast :