More than 4,500 years after it was built, the Great Pyramid of Giza is still surprising scientists. In a discovery announced ...

Cosmic rays, born from distant exploding stars, produce muons that shower Earth and penetrate stone like ghosts. These ...

We all know what Egypt’s pyramids look like on the outside, but what do they look like on the inside? Narrow passageways, spacious chambers and steep galleries make up the bulk of the interior layouts ...