NASA's Unexplained Files

On NASA's Unexplained Files, strange flying objects have been caught on NASA's cameras and astronauts have reported seeing UFOs. Some of the odd shapes and lights can be identified; others remain a mystery. We'll reveal NASA footage and interview the astronauts and scientists.

Previous Episode

Mars's Deepest Secret

Episode 4x08; Oct 18, 2016

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.

Previous Episodes

Episode NameAirdateTrailer
4x08: Mars's Deepest SecretOct 18, 2016
4x07: Mystery of the Invisible PlanetOct 11, 2016
4x06: Did Earth Have Two Moons?Oct 4, 2016
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