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 areas staying below the freezing point, allowing at least 1 inch of snow to accumulate on the ground, are seen in the map below. On Wednesday, Christmas Day, parts of the Rocky Mountains will ...

This story appears in the February 2019 issue of National Geographic magazine. In Rocky Mountain National Park, 415 square miles of mountain terrain are protected—but not from effects of climate ...

As someone who lives near Colorado's Rocky Mountain National Park, I know of lots of hidden gems in the area.

In the mid-1800s, the U.S. Department of the Interior began the “great surveys” to map the vast, uncharted land of the West, ...