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, ...

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 ...

Geologists have discovered a new type of rock. While drilling deep into the seafloor, a team of scientists found a new form of basalt vastly different from any other on Earth, and the planet hasn’t ...