During autumn, the Aspen Nature Loop Trail transforms with vibrant yellow Aspen tree leaves, making it a highly underrated fall foliage must-see in Flagstaff. The Coconino National Forest is home ...

Aspen occur as males and females separately (dioecious), unlike the majority of tree species ... "leaf peepers" who find the brilliant gold, yellow, rose and even red leaf colors especially ...

The U.S. Postal Service celebrates the colorful sights of autumnal walks with the release of five new Vibrant Leaves postcard stamps. Each stamp showcases a single leaf from the aspen, sassafras, oak, ...

Oliver Whyte’s garden, Coill an Chúir at Sandyhill, Westport, is included on the Clew Bay Garden Trail. A chain of beautiful ...

What was going on? Meanwhile biologists Bill Ripple and Eric Larsen were probing into another mystery – the disappearance of aspen trees in the park. At first they considered climate change.