A strange theory suggesting that a huge crystal pyramid lies 2,000 metres below the Bermuda Triangle has re-emerged. The theory claims that 'scientists' discovered the mysterious structure in 2012, ...

For decades, sailors feared the Bermuda Triangle - known for a series of mysterious incidents such as the sinking of a Navy cargo ship in 1918. Paranormal enthusiasts claim that the area is cursed - ...

Built during a time when Egypt was one of the richest and most powerful civilisations in the world, the pyramids are some of the most extraordinary man-made structures in history. The Great Pyramid in ...

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 ...

A bizarre pyramid-shaped object has been spotted and filmed by multiple witnesses as the UFO floated above the Pentagon this week. Online viewers of videos questioned whether the sighting over the ...