An ancient Mayan calendar, the Dresden Codex, was able to predict eclipses for centuries, revealing surprising scientific ...

If you thought 365 days was a long time, try resetting your calendar every 18,980 days instead. 52 solar years make up the longest cycle of the Mayan calendar – a complex and ancient system that’s ...

Get your calendars out, because there may be a correction to make as a growing list of skeptics – including the Minneapolis professor who re-arranged the zodiac – say the end of Mayan calendar may be ...

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 ...

As an independent publication, we rely on readers like you to fund our journalism. If you value our coverage and want to support more of it, consider becoming a member today. Already a member? Sign in ...

— -- 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 ...

The oldest-known version of the ancient Maya calendar has been discovered adorning a lavishly painted wall in the ruins of a city deep in the Guatemalan rainforest. The hieroglyphs, painted in black ...

The calendar, rooted on observations of the movements of the sun, moon and planets, was based on a ritual cycle of 260 named days. The 260-day calendar, called the tzolk’in, was one of several ...

My friends Nancy and David Orr own a gorgeous bed-and-breakfast in San Cristóbal, Mexico, called the Casa Felipe Flores – and you better book early if you want a room this year. San Cristóbal sits in ...