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

Scientists used muons, a by-product of cosmic rays, to image the interior of the Great Pyramid—and found a previously unknown space inside. Christopher Intagliata reports. For 4,500 years, the Great ...

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 ...

Physicists have used the by-products of cosmic rays to reveal a large, previously unidentified chamber inside the 4,500-year-old Great Pyramid in Giza, Egypt. The find is the first discovery since the ...