The reprieve from a sweaty summer is oh, so sweet – fall foliage, cozy sweaters and pumpkin everything. The first day of fall was Sept. 22 this year, and some are already taking out those Halloween ...

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 ...

Millions of people every year make it a goal every fall to witness the beautiful changing of leaves. Timing is key, as see peak season is when trees are at their maximum brightness. It’s a challenging ...

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 ...

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 ...

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 ...

As the weather cools down, the leaf colors heat up. Pennsylvania's Department of Conservation and Natural Resources (DCNR) is now releasing weekly fall foliage reports for 2024. Earlier sunsets and ...

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 ...