What Have UFOs Done for Us?

Feb 08, 2015 on BBC FOUR at 10:00 PM

Summary

From unexplained flashes in the night sky to flying saucers, this episode delves into the mysterious world of UFOs. How our drive to explain these bizarre phenomena, and desire to discover little green men, has in fact transformed our understanding o... (more)f the universe.

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Season 2015 Episode 1

Jan 11, 2015

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Hubble: The Five Greatest Images of the Cosmos
Season 2015 Episode 3

Apr 12, 2015