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 ...

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.

CARL JUNCTION, Mo. — With fall preparing to get in full swing, there are a few things to keep in mind when it comes to dead leaves. They may seem harmless, but what lurks in leaves, particularly piles ...