A group from Arizona State University is working to cool down the Valley by planting trees in urban areas.

The contrast of the smooth, pale gray bark and bright orange leaves of aspen trees in the fall is a sight to behold in Arizona's higher elevations. But this beautiful display is under threat from an ...

A group from Arizona State University is working to cool down the Valley by planting trees in urban areas. The effort comes ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Forest Service issues permits for people to cut their own Christmas trees in Arizona national forests. The 2022 holiday ...

“Students can imagine themselves going in the future to the moon." TUCSON, Ariz. (KGUN) — If you drive or walk past the northside of the Flandrau Science Center and Planetarium, you’re going to notice ...

The trail that leads to this ancient tree is a 4.7-mile out-and-back route rated as moderately challenging, which means it ...