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 ...

The Grolier Codex helped ancient Mayans track astronomical phenomena. As the Mayan civilization was in decline, a diligent scribe was working on the oldest book created in the Americas: the Grolier ...

(CN) — For over a century, scholars have puzzled over the eclipse table in the Dresden Codex, one of the few surviving texts from the ancient Mayan civilization. Now, researchers John Justeson from ...

The Maya civilization, which existed in Central America from before Christ to the 16th century, had highly developed mathematics and astronomy, and is known to have predicted solar and lunar eclipses.