As the famed North American road gears up to celebrate its centenary, head to Arizona; home to the longest remaining stretch of the original Route 66.

A newly released report shows widespread livestock grazing is destroying streamside habitats in New Mexico and Arizona.

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ...

The obvious draw to McCall is the skiing. The small town sits in the Cuddy and Salmon River Mountains of Idaho, collecting ...

A provision in the secret, controversial agreement allowing a private company to transport uranium ore across the Arizona ...

Howard Hutchinson, a private property rights activist, leads a coalition that’s quietly organizing a county-level rejection of the Antiquities Act.

This lake in Arizona's mountains is a haven for outdoor adventurers, with incredible fishing, boating, and hiking ...

If you only have one day in Bryce Canyon National Park, make the most of it with this helpful itinerary! You’ll come away ...

Nationally, spring leaf out continues to spread north across the country, the USA National Phenology Network ... are gradually inching northward on a map the Network uses to represent the very ...

Millions of buzzing cicadas are expected to emerge this spring. We profile these noisy but harmless insects and map their whereabouts.

The National Weather Service issued red flag warnings ... To chart the spread of the blazes in the Carolinas, state agencies have released maps that are updated daily. The North Carolina ...