Colorado, New Mexico, Utah and Wyoming — doesn’t only determine ski conditions. In the spring, that snowpack will melt into the Colorado River and eventually spill into Lake Powell and Lake Mead, affecting the water supply for 40 million people across the West.

Trees dating back almost 6000 years have come to scientists' attention due to ice melting in the Rocky mountains, offering a "time capsule" into the past

The coldest and most widespread Arctic air outbreak this winter will send nearly everyone east of the Rockies into the deep starting Saturday and lasting all next week. Temperatures will plummet as much as 45 degrees below average which will lead to below zero temperatures across at least 20 states.

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues to move south. As it moves through parts of the state, it will produce small snow showers, bringing more snow to the region before drier conditions return.

View 15 awe-inspiring images of this range from the Smithsonian Magazine Photo Contest

During an ancient warm period, the trees had grown at an elevation above 10,000 feet – about 600 feet higher than where the trees now thrive. But cooler summers and volcanic eruptions in Iceland over hundreds of years slowly increased the size of the ice patch, eventually entombing the trees.

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

Calgary is the ultimate travel option to the Mile High City with more days of sunshine, close proximity to outdoor adventures in the Rockies, and more.

Low pressure is making its way into northern New Mexico from the northern Rocky Mountains. This low pressure system will be bringing round one of snow to New Mexico. The snowfall is slowly making

The Biden administration is keeping protections in place for more than 2,000 grizzly bears in western states despite requests to lift the safeguards.

Rocky Mountaineer, one of North America's most ... It follows the historic trails of 19th-century pioneers and weaves through towering mountains, rushing rivers, and verdant valleys.

BILLINGS, Mont. — The Biden administration said Wednesday it will continue protecting about 2,000 grizzly bears in the Rocky Mountains despite opposition from Republican-led states. Federal ...