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.
Occurred on October 25, 2016 / Ulan-Ude, Russia Info: A celestial flash came from the sky in the Siberian republic of Buryatia. Some suggest that it was a meteorite and others insist it was an unidentified flying object.
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