A new study shows the ancient Dresden Codex held calculations could forecast eclipses centuries ahead. Maya daykeepers used overlapping 223- or 358-month cycles to maintain precise lunar and solar ...

An ancient Mayan calendar, the Dresden Codex, was able to predict eclipses for centuries, revealing surprising scientific ...

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Detail of eye on page 6 of the Grolier Codex (photo by Michael Coe, all courtesy Brown University) In the 1960s, looters searching a cave in Chiapas, Mexico, came across a rare, ancient codex rich ...

Page 9 and Page 8 of Códice Maya de México (c. 1100) (all images courtesy Biblioteca Nacional de Antropología e Historia, Secretaría de Cultura-INAH-México; all ...

A bark-paper document with a weird backstory and once suspected to be a forgery is the real deal, researchers say. If true, that increases the likelihood that the plaster-coated book covered with ...

To the modern stargazer, the planet Venus is just another point of light in the night sky. But for the ancient Maya, the brilliant light of Venus was an omen of war that guided ritual activity, ...