This week’s news that archaeologists have discovered the long-lost city of Valeriana highlights one major part of Maya society: astronomical observatories. More than 6,000 structures unveiled ...

Preface -- The Maya and their codices -- Astronomical concepts and terminology -- Maya calendrical cycles and their notations -- The correlation of Maya and western calendars -- The structure of Maya ...

Want to see the Equinox at Chichen Itza Mayan Ruins? This article explains how to see the unique phenomenon that happens only during the equinoxes.

NMAI copy 39088019919588 from the library of H. Paul and Jane R. Friesema. "The Sky in Mayan Literature offers a synthesis of past and present-day dialogue between people and the world of nature ...