A viral video captures an incredible “solar halo” forming above the Great Pyramid of Giza. The 4,500-year-old monument ...

A mountain that's hidden in a sea of snow in Antarctica looks strikingly like an ancient Egyptian pyramid when viewed from above. But no human (or alien) hands were needed to build this peak — it was ...

For historians of science, this raises the question of whether Old Kingdom architects intentionally encoded a circle-square relationship in the pyramid’s outline or whether the match is a coincidence ...