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When aliens come visiting... AI robots, not real beings, will threaten our existence, scientist says
Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a ...
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Aliens 'could confirm their existence in weeks' as 'evidence grows they're already here'
Aliens may make their big announcement that they are real in just weeks, scientists claim. They say they are seeing "increasing ...
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