PROVIDENCE, R.I. [Brown University] --The Grolier Codex, an ancient document that is among the rarest books in the world, has been regarded with skepticism since it was reportedly unearthed by looters ...

An ancient Mayan text captured the moment when a royal astronomer made a scientific discovery about the movement of Venus across the night sky. The text, called the Dresden Codex, contains laborious ...

More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping systems in the ancient world—a system that could predict solar eclipses for ...

For more than 120 years, the Venus Table of the Dresden Codex, an ancient Mayan book containing astronomical data, has been of great interest to scholars around the world. The accuracy of its ...

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. • More: Listen to this ...

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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 ...