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

On the edge of Mexico City's famed Zócalo plaza, next to the ruins of the Aztec sacred pyramid known as the Templo ... The royal counselor went one step further. As Miguel León-Portilla writes ...

Scattered throughout Mexico, you'll find the ruins of several ancient civilizations, including those of the Aztec, Maya and Toltec people. Many of these sites feature impressive pyramids standing ...

A chain of massive earthquakes may have led to the decline and eventual desertion of the pre-Aztec Mesoamerican city ... of some of the city's iconic pyramids reveals that Teotihuacan was hit ...