With chatter about the Mayan apocalypse intensifying as Dec. 21 approaches, you may have seen that while the ancient Mayan calendar "ends" on that day, the Maya themselves would not have seen that ...

The Maya themselves would not have seen Dec. 21 as the end of the world. But how does the Mayan calendar work, anyway?

In short, how exactly does the Mayan calendar work, and why to people think it foretells the end of the world? For a closer look at Mayan math and their calendar system, HowStuffWorks has an ...

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 ...

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.

Scholars show how multiple planet movements tie into the 819-day Mayan calendar. The 819 days of the calendar must be viewed across a 45-year time period to fully understand. The movements of all ...

With chatter about the Mayan apocalypse intensifying as Dec. 21 approaches, you may have seen that while the ancient Mayan calendar "ends" on that day, the Maya themselves would not have seen that ...