The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...

Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian tectonic plate collided with the Arabian plate millions of years ago.

We finally know how a fault that gave rise to Denali, North America's highest mountain, first formed. According to new ...

This is how the mountains of the Himalayas in Asia were formed. The Andes are the world's longest mountain range. This causes lava to erupt out of the gap that is left. As it cools down ...