The speed of light, and the latitude of the ancient Egyptian Great Pyramid of Giza, are the same figure, but what does this actually mean?

May 3, 2026, the Institute is offering the "Ancient Mysteries of Egypt Tour". Explore the greatest must-see ancient Egyptian ...

Not just any pyramid, but what Osmanagich calls the Pyramid of the Moon, the world's largest—and oldest—step pyramid. Looming above the opposite side of town is the so-called Pyramid of the Sun—also ...

The Great Pyramid of Giza is the most studied structure on Earth — and still one of the least understood. Despite centuries of research, key questions remain unanswered. This video explores five of ...

A "long-lost" branch of the Nile in Egypt may explain the location of several ancient pyramids, researchers have suggested. In a study published in the journal Communications Earth & Environment, an ...

Scientists have long been baffled by the wonders of the ancient world, particularly the Egyptian pyramids. Now a key part of this mystery may have an explanation. Archaeologists have discovered that ...

Who built Egypt’s Great Pyramid of Giza? The mystery has haunted scientists for years. Now, ancient inscriptions discovered inside the monument have answered the great question about the mammoth ...

(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 ...

Archaeologists are to open a long-sealed cave under a Mexican pyramid in the hope that it will unlock the mystery of one of ancient civilization’s greatest cities. With its soaring stone pyramids and ...

A study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...

Throughout most of its 33 years of existence, Herbalife has been vexed by a simple question: Is this company really just a pyramid scheme? It’s incredible, but that question has never been fully ...