A group of researchers camped out on a hillside in Wiltshire with an array of high-tech equipment, hoping to record the formation of a crop circle (presumably by a UFO). On the second night, their equipment recorded flashing orange lights in an adjacent field. The next morning, the researchers were excited to see that two large circles had formed. But their hopes were dashed when they found a horoscope chart and wooden crucifix in the middle of one of the circles — evidently the calling card of a hoaxer. The flashing lights on their equipment, the researchers admitted, had probably been the heat signature of humans running around. More…