Scientists know why leaves turn yellow in the fall: Chlorophyll breaks down, revealing the yellow pigment that was there all along. But red? Red... Fall foliage is still a mystery: Why do some leaves ...

Add Yahoo as a preferred source to see more of our stories on Google. Summer days have come to an end, as evidenced by the cooler weather and the leaves beginning to change color. The fall season is ...

Could climate change alter fall foliage timing in the future? Dr. Howard Neufeld, the "Fall Color Guy," takes us to Rough Ridge Trail in NC and discusses how changes in climate may affect when leaves ...

October is when the fall color of trees is generally at its peak. Some of the trees in the county are in full color while others are sporadically turning bright colors of yellow, red and orange. These ...