A University of Colorado student is the first person from Colorado to free climb one of the most difficult rock walls on ...

In this video, we explore metamorphic rocks, which form when existing rocks are transformed by intense heat, pressure, or ...

X-ray scans reveal rare chemical signatures in asteroid grains that hint at water, organics and the building blocks of life.

A previously unknown layer of partially molten rock has been detected beneath Earth’s crust. The discovery could help scientists learn more about the motions of Earth’s tectonic plates.

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

NEW YORK — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada.

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada.