Fuel for alien life conspiracy theories

Conspiracy theories involving extraterrestrial life and UFO sightings predate the rise of the internet -- but social media has definitely played a role in spreading fodder for such theories. Watch below for some of the most convincing UFO sightings out there and more extraterrestrial curiosities.

Triangular-shaped UFO spotted in cornfield?

Check out this interesting footage of a mysterious flying object that vanishes from a cornfield after making crop symbols. Anybody see the movie 'Signs'? We know how this will end!

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