Scientists have discovered that rocks send out chemical signals before they break. Researchers have created a model to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Ancient rock ...

Scientists and engineers don’t always dance to the beat of the same drum, especially when it comes to “hard rock” science — the study of intact, crystallized rocks on other planets, which may provide ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — Scientists have identified ...

Using a common household item, you can determine what type of rocks are in your backyard. Materials If bubbles appear when placing the vinegar on the rock, the rock contains a large amount of calcium.