The Great Pyramid of Giza, towering at 147 meters and holding the record as the tallest man-made structure for nearly 4,000 years, was constructed over 20 to 30 years using around two million massive ...

A system of controlled flooding could have allowed the stones to float ... have found evidence of deep grooves in the pyramid's foundation, possibly indicating the placement of these machines.

Now, a team of engineers and geologists brings a new theory to the table — a hydraulic lift device that would have floated the heavy stones up through the middle of Egypt’s oldest pyramid ...

The study argues that the ancient Egyptians used pressurized water to float the pyramid’s building stones toward the upper levels of the growing structure through an internal shaftway in a proce ...

Theo Burman is a Newsweek Live News Reporter based in London, U.K. He writes about U.S. politics and international news, with a focus on infrastructure and technology. He has covered technological ...

The hydraulic-powered mechanism could have maneuvered the oversized stone blocks forming the pyramid, starting from the ground up. The research team says the Step Pyramid’s internal architecture ...

They sneak up on crows and jump into the air to catch them, hundreds of feet from the ground, on the rough stones ... down from the pyramid to eat food laid out by the foundation — oblivious ...