NASA's Unexplained Files Season 4 Episode 8 - Mars's Deepest Secret

Airdate: 2016-Oct-18

Episode summary:

Soviet photos of the moon are intercepted by the CIA; a malfunction aboard the ISS, which imperils the whole crew; NASA probe finds evidence of the possibility of life on Mars.

About NASA's Unexplained Files series:

On NASA’s Unexplained Files, strange flying objects have been caught on NASA’s cameras and astronauts have reported seeing UFOs. Some o...Show more >