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

A recalculation of the Maya calendar does not suggest the world is going to end this week. Reports of our impending doom surfaced after a Twitter user posed a series of tweets claiming to have ...

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 ...

— -- 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 ...

A glyph representing a day called “7 Deer” on mural fragments dating from the third century BC found inside the ruins of a pyramid in Guatemala marks the earliest-known use of the Maya calendar, one ...

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 ...

Amid rubble buried beneath a Maya pyramid in Northern Guatemala, archaeologists found a broken bit of plaster with a glyph painted on it. A bar-and-dot symbol for the number “7” is drawn above a deer ...

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 ...