Many of us head for mountain forests as summer heat comes on - and a new book by a Tucson author could enrich your experience in the cool, green woods. "Mountain Trees of Southern Arizona: A Field ...

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 ...

A new report from the Arizona Game and Fish Department showed the state's unchecked feral burro population is destroying keystone plant species in the Sonoran Desert. Wildlife scientists studied plant ...

Seems like palm trees would be native to Arizona, but palm trees were brought in by immigrants who wanted reminders of their more tropical homes. The palms came from Mexico, Southern California, ...

PHOENIX — Amid the Arizona heat, researchers are finding Fremont Cottonwood trees can cool themselves down, but their survival depends on consistent water access. The trees essentially sweat - using ...

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 ...

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 ...

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