Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns survival into spectacle. Every autumn, landscapes across much of the world ...

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 ...

Fall foliage can be experienced across much of the United States in various ways and at different locations. While New England maintains an autumn stronghold, other parts of the country offer equally ...

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 ...

Before the advent of pumpkin spice lattes and Halloween decorations, the most reliable indication of autumn’s arrival lay in the tree canopy as its greens gave way to yellows and reds and its leaves ...