(Gray News) – Scientists say humankind’s influence on the natural world has reached a new level as a new type of sedimentary rocks partially formed from plastic has been discovered. This new rock has ...

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 ...

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 ...

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 ...

A Martian crater, so unassuming that no one even noticed it until recently, is the source of the oldest — and strangest — Mars rock ever to land on Earth as a meteorite. Scientists have about 175 ...