Mysterious detonations—booming noises apparently unrelated to thunder or earthquakes—are among the most widespread and puzzling phenomena of

The modern age of flying saucers began with the Arnold sighting. Although it was by no means an isolated incident in 1947, it was the most

In mid-April 1956, in Arnhem Land, Australia, a young aborigine named Lya Wulumu fell sick and was taken by airplane to a hospital in Darwin