What purpose does a fallen leaf serve? Its time as beautiful fall foliage has ended. It’s no longer claimed by the tree that grew it, and now it simply sits on the ground. Does that make it garbage? I ...

Add Yahoo as a preferred source to see more of our stories on Google. By spring, the leaves on trees grow and assume the color green, and by autumn, they change to sometimes brilliantly warm colors ...

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.

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 ...

If you have a yard full of fallen leaves every autumn, you’re not alone. Instead of bagging them up for trash day, you can put those leaves to work in your garden. Fallen leaves are more than just a ...