Archaeologists in southern Mexico announced Monday they have discovered a 2,700-year-old tomb of a dignitary inside a pyramid that may be the oldest such burial documented in Mesoamerica. The tomb held a man aged around 50, who was buried with jade collars, pyrite and obsidian artifacts and ceramic vessels. Archaeologist Emiliano Gallaga said the tomb dates to between 500 and 700 B.C. Read more