The arrival of autumn brings about longer and cooler nights. These changes send a signal to the leaves in trees to stop producing chlorophyll, the compound that makes them green. The loss of ...

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 ...

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 ...

Fall foliage begins its journey south from Canada, reaching Missouri by mid-September. Peak color in Missouri is expected around mid to late October, showcasing vibrant hues from sassafras and sumac ...