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.

For gardeners, few sights rival the breathtaking transformation of leaves in the fall. The fiery reds, golden yellows, and deep purples bring a sense of wonder to the landscape while signaling the ...

Fall is just around the corner, when leaves begin to change their colors. But have you ever wondered what causes them to transform? "Plants make their food using sunlight and something called ...

When the air becomes crisp and the leaves start to turn, it only means one thing: Fall has arrived! Don't get us wrong, we love the bright green hues that grace the treetops throughout the spring and ...

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red. Why do only some leaves turn red in the fall? Scientists can't agree on an ...