Arizona is known for having gorgeous sunsets because of the climate conditions. But do you know what the rarest sunset colors are? Here's the science.

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the ...

Average annual temperature increase over the last century in the high-elevation park from climate change Rocky Mountain National Park covers 415 square miles atop the Continental Divide in the Front ...

The best time to visit Rocky Mountain National Park is from June to September when the snow is (mostly) melted and the hiking trails and attractions are accessible. Still, these four months are ...

Mountain snowpacks accumulate snow throughout the winter, building up stores of water that will supply communities across the American West throughout the long dry season. Now, a new study shows that ...

These impressive growths are a symbol of status and a weapon used in epic battles across the Rocky Mountains. Fighting for dominance or mating rights, males face each other, rear up on their hind ...

Controversial multi-use trail cuts through former nuclear weapons manufacturing facility with history of spills. Boulder ...

I’m heading to the top of Mount Elbert, the tallest of all the Rocky Mountains. The Rocky Mountains, or Rockies for short, is a mountain range that stretches all the way from the USA into Canada.