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

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 ...

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 ...

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 ...