The Mayan calendar’s 819-day cycle has confounded scholars for decades, but new research shows how it matches up to planetary cycles over a 45-year span ...

Did you know scientists have finally cracked the mystery behind the ancient Mayan calendar? For years, people were fascinated by its complex design and thought it might predict the end of the ...

And that, says Méndez, may have more to do with the spin of Pakal than with the spin of the planet. Pakal the Great (603-683 A.D.) was the most important ruler of the classical Maya.

The Mayan calendar’s 819-day cycle has confounded scholars for decades, but recent research shows how it matches up to planetary cycles over a 45-year span. That’s a much broader view of the ...