Collectors of all ages have always been interested in rocks and the minerals that make them up. They come in countless shapes, sizes and colors. There are three main types of rocks: sedimentary, ...

If you draw with a pencil, you can tell how soft the graphite inside is. Pieces of graphite break off to leave the pencil mark. But can you imagine drawing with a diamond? Diamonds and graphite are ...

Here’s what you’ll learn when you read this story: The rock cycle naturally takes thousands to millions of years, but scientists just identified a new form of rock that cements in under four decades.

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. Rocks that burn when they get heated up are combusting. This means ...

You would have a hard time finding these common Earth rocks on our neighboring planets. Here’s what makes our landscapes so unique. Limestone landscapes, like this one in the Stone Forest in China’s ...

Rocks and minerals are closely related, but there are fundamental differences between the two. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

A new type of rock created during large and exceptionally hot volcanic eruptions has been discovered beneath the Pacific Ocean. A new type of rock created during large and exceptionally hot volcanic ...

Craig Robert Martin receives funding from the National Science Foundation (NSF). Breathing quickly in the thin mountain air, my colleagues and I set down our equipment. We’re at the base of a jagged ...

The rock cycle naturally takes thousands to millions of years, but scientists just identified a new form of rock that cements in under four decades. Researchers believe the natural cements found in ...