NASA's Unexplained Files

NASA's Unexplained Files· Season 1 · Episode 3

Alien Death Ray

S01E03·March 6, 2014·44m·Science

The Viking Lander may have found life on Mars, so why don’t we know about it? What is the most destructive force in the universe? How could a starship be seen in the Aurora Borealis? And what are NASA’s mysterious Moon Pigeons?

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