Researchers say elongated alien-like skulls found in ancient graves were shaped in infancy and carried different meanings across cultures.

Thanks to modern effects, animated aliens can now appear in live action Star Trek.

Centuries before the Inca emerged, Amazonian parrots were carried alive across the Andes and raised in captivity on Peru's coast for their vibrant feathers.

Egypt’s ‘Area 51’ is just three miles away from the Giza Pyramids and could have been a mysterious ‘gateway to the stars’. Some speculate the structure could just be an unfinished pyramid, but others ...