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 ...

The Chol Q’ij or Tzolk’in Maya calendar ceremony is held in the highlands of Guatemala every 260 days. Pictured above are calendar keepers preparing the altar for the ceremonial fire. Credit: Isabel ...

The ancient Maya developed one of the most sophisticated calendar systems in human history. Long before modern calendars, ...

LONG BEACH, Calif. — The Maya, best known these days for the doomsday they never foretold, may have accurately predicted astronomical phenomena centuries ahead of time, scientists find. A new book, ...

We live in a light-polluted world, where street lamps, electronic ads and even backyard lighting block out all but the brightest celestial objects in the night sky. But travel to an officially ...

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 ...

CC0 Usage Conditions ApplyClick for more information. This 75-minute teacher webinar focused on the ways in which the Maya have used the Sun to track time for thousands of years. Ancestral calendars ...

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 ...

A remarkable archaeological discovery hidden beneath the dense rainforests of Guatemala is changing what experts know about ...

Get unlimited access to ad-free articles and exclusive content. LiveScience The Maya, best known these days for the doomsday they never foretold, may have accurately predicted astronomical phenomena ...