Calendar in the Sky connects the knowledge of the Maya to NASA science. The Maya weave astronomy, religion, politics, agriculture, architecture, engineering, and art together to form the rich tapestry of their culture. Maya calendars embody this interplay of science and culture. Calendar in the Sky presents articles and multimedia resources about Maya culture, modern science investigations carried out by NASA, and the science behind many of the year 2012 misconceptions.

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Maya Science


Solstice at Palenque, Chiapas
At Palenque, the famous Classic Maya site in the southern state of Chiapas, a poetic statement is replayed year after year in the written history as well as in the art and architecture of the site.
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NASA Science


You hear the word science used often these days. But, what do we mean when we talk about science and in the context of Calendar in the Sky, what do we mean when we talk about NASA science or Maya science?
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2012 Science


Doomsday from Stellar Explosions
Perhaps the most violent of all the predictions for how the world could end in 2012 is the idea that one or more stars might explode on December 21 and wipe out all life on Earth.
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Photographs of astronomical objects, Maya people and NASA scientists, Maya archeological sites and artifacts.

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