The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

A hiker looked out over a beautiful sea of clouds from a mountain peak. Footage shows Liberty Arnaiz Sobreira carefully ...

Vail Comedy Show is flying in New York City-based comedian Ariel Elias this week. On Feb. 5 she will be at the Lookout Bar at ...

A fatal race made Tracee Metcalfe the closest to becoming the first American woman to summit all of the world’s 8,000-meter ...

Find out which ski resorts are the most expensive based on the average prices of lift tickets, rentals, meals, and lodging.

Environmentalists and farmers are challenging Arizona's approval of an air pollution permit for Copper World Mine, claiming ...

Discover otherworldly dunes, desert canyons, lofty amusement parks, and a surprising number of waterfalls and hot springs in ...

Colorado is known for its fabulous ski resorts, but one that probably doesn't immediately spring to mind is a favorite of ...

Gov. Jared Polis, Colorado Parks and Wildlife and the Colorado Tourism Office announced the Colorado State Parks Dark Sky ...

The X Games will experiment judging halfpipe runs this week in Aspen using artificial intelligence, the cutting-edge ...

When the ultra wealthy hit the slopes, it's likely they'll go to one (or more) of the most luxurious ski towns in the United States. See More: 25 Places To Buy a Home If You Want It To Gain ...