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 ...

The autumn leaves could show up late this year — and with softer shades. Why it matters: Fall foliage isn't just pretty scenery or a tourism draw — its timing and vibrancy could flag deeper forest ...

This is the time of year when Nicole Hughes gets constantly distracted by the fall foliage as she drives around North Carolina. "I'm always looking," says Hughes, a biologist at High Point University.

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 ...

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 ...

This animated map shows fall leaf color projections. Red indicates peak color. It’s officially fall in the Northern Hemisphere, which means bright, beautiful foliage isn’t far behind. Parts of the U.S ...