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 ...

The most common pyramids are square-based, rectangular-based and triangular-based pyramids. The surface area of a pyramid can be calculated by adding the area of the base to the sum of the areas of ...

Archaeologists could be on the verge of a major discovery after a radar detected a “anomaly” near the Great Pyramid. Here’s what they think the mystery structure is. The mysterious underground ...

As the debate over what lies beneath Egypt's Giza pyramids continues, the scientists at the center of the dispute have shared new details they believe will silence critics. The row began when Italian ...

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. The Pyramids of Giza rise behind Egypt’s ...