The modern desire overlaps with the ancient Egyptians’ longing for immortality. In the Giza Desert southwest of Cairo, Egypt.

A remote mountain peak in Antarctica has stirred global attention thanks to its near-perfect pyramid shape. Tucked away in the icy Ellsworth Mountains, the structure was spotted via satellite imagery ...

The volume of a 3D shape is the amount of space inside it. Volume is measured in cubic units such as cm³ and m³. The volume, or capacity, of liquids is measured in millilitres or litres. The surface ...