This is the time of year when Nicole Hughes gets constantly distracted by the fall foliage as she drives around North Carolina. "I'm always looking," says Hughes, a biologist at High Point University.

Before you head out to the nursery to purchase a tree for your landscape, there are some important things to consider.

If your tree is already turning its leaves for the fall, it's probably not the seasons, it's stress. The first day of fall isn't until Sept. 22, but some trees are already starting to show off their ...

Leaves often turn brilliant colors in autumn. One of those colors has generated a lot of heated debate among scientists in recent years. Autumn is a big time for trees. Many shed their leaves, and of ...