mysterious skulls

Russian explorers discovered two oddly shaped skulls in the Caucasus Mountains. Many people suspect it is an alien skull.

The skull, dated to about 1,000 years old, is believed to be the first evidence of early rule to change the ancient Mesoamerica's skull shape.

Archaeologists found the skulls crushed from the Stone Age in Syria and they did not understand why they were cut from the body, 11 skulls found in Syria dating back about 10,000