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 ...

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 ...

With fall set to officially arrive on Monday, many are wondering when and where they can enjoy the beautiful change in leaves that occurs annually. While locations in New England, such as Vermont, are ...

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 ...

The autumn sweater weather and early sunsets are giving way to the beauty of fall's changing leaf colors. Here's when and what to know about the peak fall foliage 2025 in the Northeast. After the ...

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.

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 ...