The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...

Mysterious hieroglyphs written in red paint on the floor of a hidden chamber in Egypt's Great Pyramid of Giza are just numbers, according to a mathematical analysis of the 4,500-year-old mausoleum.

Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries. Here’s what archaeologists know.