Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The Mayan Chichén Itzá, an ...

Over the past decade, the Mayan calendar has been subjected to close examination and intense debate. Could an ancient calendar system predict solar flares? This fascinating theory will be delved into, ...

More than a thousand years ago, astronomers from the Maya civilization developed one of the most sophisticated time-keeping systems in the ancient world—a system that could predict solar eclipses for ...