Slightly larger than pea gravel, river rock is a smooth sedimentary, igneous, or metamorphic rock that comes from rivers and creeks. There are roughly dozens of shades of black, gray, brown, and ...

Natural cement found in industrial waste reacts with ocean water to form rocks in just 35 years, instead of millions.

Although these measures were not all developed for stones, they have been adapted to allow for measurements of fine-grained ...

The three different types of rocks are made in different ways, which means that they all have different properties. Some might be harder or softer, and some might let water in more than others.

A recent discovery of organic compounds in billion-year-old ancient rocks in Australia helps illuminate the early history of eukaryotes, according to a new study.

Guitarist says legendary rock band got emails ‘from all kinds of drummers’ after member’s death. Updated: Mar. 17, ... Community Rules apply to all content you upload or otherwise submit to ...

The Oregon coast is known for all kinds of natural beauty. Seashells, however, are not one of them. But that doesn’t stop crowds from coming to the coast to search the sand for that one special ...

Trader Joe’s announced a recall of two types of cookies, stating that they may contain a foreign material, rocks, in a statement on Friday. CNN values your feedback 1.

VIDEO: Owner Greg Horn's small yet diverse Flagstaff Rock Shop offers crystals, fossils, rocks, jewelry, and personalized service. Located at 5270 U.S. Highway 89 in Flagstaff, open Tuesday ...