The Strangest UFO Stories of All Time

In 1947, an alien spaceship crashed onto a ranch outside Roswell, New Mexico. According to the government, it was a flying balloon - or was it?

Since the 1950s, there have been strange reports of aliens visiting unsuspecting sleepers at night to have their wicked extraterrestrial ways with them.

Did the atomic bomb alert extra-terrestrial governments to our planet? And are they now in league with our rulers to control the human imagination?

Scotland has a long association with the mysterious and the paranormal. For its size, there are more UFO sightings than that of any other country.

Did the Pharaohs really order the construction of Pyramids? Or are these monoliths proof of alien activity from the distant past?

Something is hungry for blood in the jungles of Latin America and many believe it's a blood-sucking alien feasting on goats, cows and even horses.