Archaeologists in Kazakhstan have discovered a 3,800-year-old hexagon-shaped structure that they describe as a "pyramid." The maze-like structure is not as tall as Egypt's monuments, but currently ...

The "Pyramid of the Moon" at Teotihuacán, the site of an ancient city near modern-day Mexico City, is aligned with the sun on the summer and winter solstices, a research team in Mexico says. However, ...