Add Yahoo as a preferred source to see more of our stories on Google. A tattered piece of bark paper with illustrations on it. Centuries-old codices from what is now Mexico hold a wealth of knowledge ...

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.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NATCHITOCHES, La. (KTAL/KMSS) – A trail ...