Biologists with the Arizona Game and Fish Department have released a new study showing feral burros are devastating key plant species in the Sonoran Desert.

Among many other benefits, planting trees around your home really can save energy, according to the National Forest Service. The NFS said shade from two 25-foot tall trees on the west side of the ...

FLAGSTAFF, AZ — The electric blue sky frames a stand of ponderosa pines – their ramrod trunks picket the forest floor as sunlight floods the ground. A breeze tickles the green needles, mingling dust ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

An emerging pest species like OSS only compounds that loss, which means what aspen trees remain could die at a faster rate. Given Arizona’s already hot and dry climate, researchers like Crouch say ...