Arizona's High Country transforms into a fall foliage wonderland, with scenic routes offering vibrant displays of gold, ...

There are many great places to enjoy fall in Arizona. Here are our favorite places to see fall colors in Arizona, from ...

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 ...

Temperatures have been falling over the past few weeks and for many Arizonans the cooling off means it's time for a trip to the high country to see the vivid fall foliage of aspens, oaks and maples ...

While Arizona is best known for the Grand Canyon and its desert landscape, it’s also home to numerous mountain ranges. Tucked ...

DENVER — Something is killing the quaking aspen trees of the Rocky Mountain West. The slender, white-barked trees that paint the hills gold every autumn are dying, some scientists say, leaving bald ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...