As autumn leaves continue to fall, the yearly debate arrives - is it best to "leave the leaves?" For many Americans, raking leaves in the fall to be burned or bagged and collected is a fact of life, ...

It's officially fall in the Northern Hemisphere, which means bright, beautiful foliage isn't far behind. Parts of the U.S. will soon start to see — if they haven't already — leaves and shrubs trade ...

Scientists have long questioned whether the vibrant colors of fall foliage serve an evolutionary purpose. One theory suggests red pigments protect leaves from sun damage, allowing trees to absorb more ...