A Brazilian spiritualist's prediction of an alien invasion during the Scotland vs Brazil World Cup match in Miami went viral, sparking memes and disbelief on social media.
An audio tape reportedly exists of a UFO briefing between Air Force officials and scientists in 1952.
"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.
He estimates hundreds of incidents occur annually that baffle military leaders.
UAP have disrupted military operations in hundreds of unexplained incidents.
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