A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...

Pegmatite is a type of igneous rock characterized by its large crystal sizes, which can range from one centimeter to several ...

Join us as we explore the mesmerizing world of natural amethyst gems. This video delves into the properties, locations, and formations of these stunning gemstones. Discover how amethyst is formed, ...

The chemical make-up of crystals that formed from magma hint at an increase in the number of meteorites battering Earth’s ...

One of the reasons gold is so valuable is because it is highly unreactive—if you make something out of gold, it keeps its lustrous radiance. Even when you can react it with another material, it's also ...

Star clusters are collections of thousands to millions of stars bound together by gravity — and many can be observed in the night sky with binoculars or a small telescope. One notable example is ω ...

Nature has many rhythms: the seasons result from Earth's movement around the sun, the ticking of a pendulum clock results ...