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 table — a ...

The Great Pyramid has always invited audacious explanations, from alien architects to supernatural levitation. Now a cluster of new engineering studies is pushing aside the fringe ideas and replacing ...

A peer-reviewed study has proposed that ancient Egyptians may have used a water-powered lifting system to build the Step Pyramid of Djoser at Saqqara, the oldest of Egypt’s seven monumental pyramids.