The Benben stone is an object found in the mythology of ancient Egypt. It is a stone with a conical shape and, according to some theorists, may be of extraterrestrial origin. The Benben stone is also an architectural term, describing the name given to the tip of an obelisk or the capstone placed on top of a pyramid.

Scientists have found a massive volume of water 1,000km inside of our planet, around a third way to Earth's core: "This water is much deeper than ever found before, at a third of the way to the edge of Earth's core."

In a find unlike anything seen before, a piece of opal from the island of java in indonesia holds some remarkable cargo: a stunningly preserved insect that may be at least four to seven million years old. Previously, plenty of ancient insects have been found in amber, a gemstone made of fossilized tree resin.