Extraterrestrial Life (Documentary)
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Is Anybody Out There? (Alien Life Documentary) | Spark
Formation of Earth and Solar System Documentary - Secrets of the Solar System
The Mystery Beneath (Baltic Sea UFO Documentary) | Timeline
Hollywood Haunts (Documentary)
Alleged Abductee Shows Physical 'Proof'
Naked Science - Close Encounters
Astrobiology and the Search for Extraterrestrial Life - with Ian Crawford
Is the Universe Infinite?
Life on Mars: NASA Finds New Evidence
Where Are We in the Universe? Finding Life Beyond Earth - Space Science Documentary