Nowruz, the Iranian New Year, is based on the spring equinox, for example. And at the Mayan site Chichen Itza in Mexico, people gather during the equinox to watch the sun create a shadow pattern ...

Nowruz, the Iranian New Year, is based on the spring equinox, for example. And at the Mayan site Chichen Itza in Mexico, people gather during the equinox to watch the sun create a shadow pattern ...

(CNN) — For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is practically perfect. Folks in the Northern Hemisphere are looking ...

Chichen Itza was the main ruling center of the Yucatan between 1191-1448 AD, in what is now known as Mexico. The temple, seen here during excavation, rests on a pyramidal foundation 37 feet high ...