Stretching like a colossal spine along western South America, the Andes stand as the world's longest mountain range. It spans ...

Mountain waves, it's a large-scale wind pattern that typically happens in the cooler months from fall to early spring. This weather phenomenon occurs in many mountain ranges around the globe including ...

The summit of Mount Everest. Mount Everest is astoundingly tall at 29,032 feet above sea level, besting its Himalayan neighbors by hundreds of feet. But the world’s tallest peak is still growing, ...

The world's longest mountain chain stretches along the entire west coast of South America, but scientists have been struggling to explain how it formed. Published Dec. 1 in Nature, research led by ...