We live in a light-polluted world, where streetlamps, electronic ads, and even backyard lighting block out all but the brightest celestial objects in the night sky. But travel to an officially ...

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

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 ...

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 ...

A 13th-century manuscript sits under glass, its bark-paper pages filled with vivid glyphs and cryptic figures, in a quiet reading room in Dresden, Germany. Known as the Dresden Codex, it’s one of the ...

A profound mystery surrounding the ancient Mayan calendar might finally have been solved. Previous research, on historic inscriptions, has found that the ancient Mayans used a calendar system known as ...

"Revised edition of paper presented at the XXVI International American Congress in Seville. October 12, 1935." https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile ...