NASA's Unexplained Files

2014•3 series

Available on Disc.History

NASA's task of reaching beyond the bounds of Earth has uncovered disturbing anomalies that have perplexed even the finest scientific minds. Science Channel digs into the space agency's archives to reveal countless mysteries and unusual encounters, discoveries and sightings. Each hour-long episode scrutinizes evidence, explores possible explanations, and considers testimony from NASA insiders, scientists, astronauts and others who have witnessed the strange phenomena. The stories are made all the more unusual since they come from the most credible scientific organisation in the world.

Episode 5Stonehenge on Mars

A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon? S3, Ep13

Episode 6CIA's Secret Revenge

When the Soviet Union unveils its own space shuttle, the CIA hatches a revenge plot. Plus, a missing nuclear weapon could threaten a NASA base in the Arctic. S3, Ep14

Episode 7The Moon's Strange Secret

The last humans to walk on the Moon discovered something strange on the lunar surface. Plus, a NASA scientist investigates a strange phenomenon. S3, Ep15

Episode 8Saturn's Death Star

A NASA spacecraft suffers a malfunction in orbit - can its lone astronaut make it back to Earth? Plus, new evidence emerges over Yuri Gagarin's mysterious death. S3, Ep16

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