Understanding the chemistry behind leaf color change can deepen your appreciation for this seasonal spectacle. Carotenoids are always present in the leaves, but their colors are usually hidden by ...

This food-making process takes place in the leaf in numerous cells containing chlorophyll, which gives the leaf its green color. This extraordinary chemical absorbs from sunlight the energy that is ...

The USDA Forest Service says three primary factors influence autumn leaf color: leaf pigments, length of night, and weather. The Virginia Department of Forestry's recommended fall foliage driving ...

Gardner said, by mid-to-late October, the fall leaf color should work its way down those mountain areas and into areas of lower elevation. ExploreFall, a website previously featured on WRAL ...