The pyramids may have been built using a sophisticated hydraulic system, according to a new study in Egypt. Evidence of ancient Egyptians using water pressure to lift stone blocks was discovered at ...

A branch of the Nile that no longer exists helped the ancient Egyptians construct 31 of their famous pyramids, including the pyramids at Giza, a new study finds. Researchers found that this branch, ...

(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 ...