The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a ...

Archaeologists have begun digging for what they think might be a pyramid hidden beneath a hill in Bosnia. Known as Visocica, the 650m (2,120ft) triangular mound, overlooking Visoko, has long been ...

New footage of a mysterious object flying over Texas in broad daylight has been revealed by UFO hunters. The sighting took place on September 8 in Trenton just after 8pm ET, when a pair of witnesses ...