The Ilkley Moor alien case is one of Britain's most famous UFO photographs. In December 1987, a retired police officer photographed a small green figure on a Yorkshire moor, then found his compass reversed and an hour of time missing. Experts examined the photo and could not prove it a fake. We lay out the evidence, the sceptics' case, and why, nearly 40 years on, no one can explain it. Settle in, get comfortable, and let us tell you the story of the figure by the quarry.

VOT ONE MINUTE REMAINING SIGNAL AWARDS

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