The Library of Congress has made the extraordinarily rare Code x Quetzalecatzin available online. Also known as the Aztec Codex, it was created sometime between 1570 and 1595 and shows native Aztec ...

Centuries-old codices from what is now Mexico hold a wealth of knowledge about the Aztecs in their native language, including details about the founding of their capital, their conquests and their ...

MEXICO CITY – A 16th century document describing the Aztec society of ancient Mexico has gone digital with a new app that aims to spur research and discussion. The Codex Mendoza is a 1542 illustrated ...

This Aztec pictogram depicts warriors drowning as a temple burns in the background. New research links the scene to a 1507 earthquake. Courtesy of Gerardo Suárez and Virginia García-Acosta A ...

Before their defeat by the Spanish in 1521, the triple alliance ruled Mesoamerica through complex trade networks—and warfare. The Mexica priest Cuauhtlequetzqui points out the place where his people ...