Four children in Mexico were buried in the years after the Spanish Conquest with rituals and grave offerings that suggest that pre-Hispanic customs lived on for some time after the Aztec empire fell.

Archeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of the Mexican capital that could show the ancient city is at least a century older than previously thought.

MEXICO CITY (Reuters) - Archeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of the Mexican capital that could show the ancient city is at least a century older than ...