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 ...

This story is part of WTOP’s continuing coverage of people making a difference in our community, reported by Stephanie Gaines-Bryant. Read more here. Some of the same items the Mayans would have used ...

In the heart of the Yucatán more than a thousand years ago, a group of Maya astronomers, known as daykeepers, tracked the movements of the Moon with such precision that they could foresee solar ...