Mountain building, also known as orogenesis, is a geological process that involves the formation and uplift of large, elevated landforms, known as mountains. The term "orogenesis" comes from Greek ...

A hot blob currently beneath the Appalachians may have peeled off from Greenland around 80 million years ago and moved to where it is today at a rate of 12 miles per million years, scientists have ...

Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans 8900 kilometers along South America's western periphery, is up to 700 ...

The Santa Monica and San Gabriel mountains formed millions of years ago. Within both of them lies a fascinating world of rocks, gemstones, crystals and minerals. Here's how to start identifying them.