Many pyramids were known to have capstones at their peak, also known as pyramidions, which were made of limestone, sandstone, basalt or granite. Some may have been covered with plates of copper, gold ...

(CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the ...

The Egyptian pyramids have fascinated historians, scientists, and researchers for thousands of years. Despite centuries of analysis and theory, however, our understanding of how the ancient Egyptians ...

The latest breakthrough in pyramid research did not begin in the desert but in orbit, where radar images from space have traced a lost branch of the Nile that once flowed beside Egypt’s most famous ...