However, it turns out that weather conditions are also influenced by geographical elements from much farther away. North America's Rocky Mountains, for instance, play a major role in weather in ...

The evolution of new dinosaur species may have surged due to the rise of the Rocky Mountains and the emergence of a prehistoric inner sea in North America, researchers say.

Explore the Missouri River: its map, amazing history, why it's called 'Big Muddy,' and key facts about North America's ...

Explore the Columbia River: its map, rich history from Native Americans to pioneers, impressive length, and facts about its ...

LONDON – Around 20 percent of the snow cover in North America's greatest mountain range has been lost because of warmer springs in the last three decades. Scientists from the American ...

The rise of the Rocky Mountains and the appearance of a major seaway that divided North America may have boosted the evolution of new dinosaur species, according to a new study.

Western North America, featured in this image from the European Space Agency's Envisat satellite, is one of the most extensive mountainous regions on Earth. The Coast Mountains (snow-capped, and ...

If the name of this Colorado town is any indication of how you'll feel about its outdoor activities and artistic offerings, we have a feeling you'll love it.

The oldest hiking trail in America is a challenging long-distance 272-mile trek across mountains and the awe-inspiring forests of Vermont.