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Aliens abduct a human into their flying saucer. Illustration: depositphotos.com

Belief in alien visits to Earth is getting out of control - here's why it's so dangerous 

In an article accepted for publication in the Proceedings of the International Astronomical Union, Tony Milligan, a researcher in the philosophy of ethics, King's College London, argues that the belief in alien visitation is no longer a whim, but a widespread social problem