Journalist Tony Harris will present compelling evidence of UFO sightings from around the globe in "The Proof Is Out There: ...

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.

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The popular spinoff docuseries The Proof Is Out There: Alien Edition returns to the History Channel with its season two premiere Thursday, March 12 at 10/9c. During the season two premiere episode, ...