Explore the story behind Egypt’s mysterious Black Pyramid, built by Pharaoh Amenemhat III. Once a grand project, it ended in failure and ruin. This video uncovers the reasons why one of ancient ...

How the great pyramids of Egypt were built has long been a hotly debated open question, given the sheer size and weight of the limestone blocks used for the construction. Numerous speculative (and ...

(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 ...

Scientists have discovered that the ancient Egyptians may have had help building the pyramids after all – not from aliens, but a long-lost river. Evidence of a previously uncharted branch of the Nile ...

The Step Pyramid stands more than 200 feet tall and is made from stones weighing more than 650 pounds. Some other researchers are not yet convinced by the idea that it was built using a hydraulics ...

Waterpower may have given a big lift to builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara. Ancient architects built a hydraulic system for hoisting ...

New research has recently shaken up the long-held ideas about how the ancient Egyptians built the Great Pyramids. While the traditional belief suggests the massive stone blocks were hauled up massive ...

The pyramids in and around Giza have presented a fascinating puzzle for millennia. How did ancient Egyptians move limestone blocks, some weighing more than a ton, without using wheels? Why were these ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For years ...