The Rock Cycle is Earth's great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another. Analogous to recycling a Coke can, where an old can ...

Yoshitsugu Kobayashi (far left), Gilbert Huntington (second left), Tony Fiorillo (center) and Paul McCarthy (seated) look over a geologic map of Alaska to figure out where the best opportunity to find ...

Rocks once buried deep in ancient subduction zones—where tectonic plates collide—could help scientists make better predictions of how these zones behave during the years between major earthquakes, ...

The badlands also contain hoodoos and a petrified forest. Frank Krahmer/Masterfile/Corbis The formations are comprised of sedimentary rocks like sandstone, shale and mudstone. Frank Krahmer/Masterfile ...

An astonishing new rock formation has been revealed in the Colorado Rockies, and it exists in a deeply perplexing relationship with older rocks. Named the Tava sandstone, this sedimentary rock forms ...

There are three types of rock found on Earth. These are igneous, metamorphic and sedimentary. Each rock type is formed in a different way. For example, the rock malachite is mostly made of the ...

Say an EKG machine is monitoring your heart, when it suddenly flatlines. You'd be keenly interested to know whether your heart had stopped or the machine had simply gone on the fritz. Paleontologists ...