A new study offers important insights into the evolution of the moon's interior, and potentially for planets such as the Earth or Mars.

The earthquake, one of New Jersey’s largest on record, could be felt from Maryland to Boston. But don’t read too much into it.

There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.

Sea glass, while an eye-catching treasure and a multimillion-dollar industry, exists because of decades of improper waste management.

Pinpointing when animals first appeared on Earth is like finding a needle in a very old, planet-sized haystack. A new study narrows the search.

The erosion of layers of rock by rivers in the Appalachian Mountains generates biodiversity of freshwater fish species, a study suggests.

Some rocks will burn, and others will melt, depending on how they were formed and what minerals they contain.

"Think of it as Earth's skin," says Jon Chorover of the critical zone. "It's sometimes termed the zone where rock meets life."

Nature begins forming patterns at the molecular level – and sometimes they grow to enormous sizes.