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 ...

Better grab your bucket list: There's less than 100 days left for you to finish it off -- if you believe in the Mayan apocalypse. December 21 is the end of days. Or, perhaps it's the 23rd ...

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 ...

— -- Newly discovered wall writings found in Guatemala show the famed Maya culture's obsession with cycles of time. But they also show calendars that go well beyond 2012, the year when the ...

“Mayan calendar specialists anticipated solar eclipses by correlating their occurrences with dates in their 260-day divinatory calendar. The 405-month eclipse table had emerged from a lunar calendar ...