An ancient Mayan document long thought to be a forgery was recently found to be genuine. The text, known as the Grolier Codex, was analyzed by researchers from Yale, Brown, and the University of ...

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 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 ...

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 ...

When an ancient Mayan scribe put paint to fig bark sometime around the turn of the 13th century, he hardly could have imagined that his bark sheets would ultimately make their way around the world — ...

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 ...

Photographs and papers relating to alleged Mayan codices. The correspondence between Matthew Williams Stirling and Eric Thompson discusses the authenticity of a possible codex, also in the collection, ...

The Maya, best known these days for the doomsday they never foretold, may have accurately predicted astronomical phenomena centuries ahead of time, scientists have found. Subscribe to read this story ...

Scholars of pre-Columbian history have been trying to decipher something called the Grolier Codex ever since it was discovered by looters in a Chiapas cave back in the '60s. It’s a 13th-century ...