Huitzilopochtli, Aztec god, as depicted in Codex Telleriano-Remensis in 16th century. Deity of war, sun, human sacrifice, patron of Tenochtitlan, and national god of the Mexicas. Illustration. Vector.

A 16th century document considered one of the most important primary sources on the Aztecs of pre-Columbian Mexico went digital Thursday with a new app that aims to spur research and discussion.

The Codex Mendoza is a 1542 illustrated report ordered by Spanish viceroy Antonio de Mendoza to send home to the king of Spain. It details sources of riches, Aztec expansion and territorial ...

The codex consists of 12 books that detail religion, cultural practices, and the first few decades detailing the fall of pre-Hispanic Mexico. Events, such as the invasion of Mexico City by the ...

Modeled after medieval European encyclopedias, the Florentine Codex is a three-volume, 12-book collection written in Spanish and Nahuatl documenting the daily life and customs of the Mexica (Aztec ...

Also known as the Aztec Codex, it was created sometime between 1570 and 1595 and shows native Aztec and Nahuatl maps, hieroglyphs and illustrations side-by-side with some text written in Spanish.

Now researchers know: five hearts. The odd symbols had been noted for centuries -- thousands of them appear in Aztec property registries that were created around 1540.