Every autumn ... leaves have served as factories where most of the foods necessary for the tree's growth are manufactured. This food-making process takes place in the leaf in numerous cells containing ...

Whenever autumn arrives, whether in a blaze of brilliant leaves or with subtle changes in the life cycles of flora and fauna ... and artwork from around the world and across time can capture the mood, ...

According to Joly, the essentials of how leaves change color have been known by scientists for more than 30 years. The first step to understanding the process is to know that tree leaves have three ...

The reprieve from a sweaty summer is oh, so sweet – fall foliage, cozy sweaters and pumpkin everything. The first day of fall ...

The physical signs of fall begin when the leaves change color and start to fall from the trees. This transformation is triggered by shorter daylight hours and cooler temperatures. The process of ...

Autumn is back, bringing with it a dazzling patchwork of foliage. From fiery-red maple leaves to coppery-bronze beech trees, it won't be long until the UK's forests begin to change colour.

"Nowhere does autumn come in such a burst of sensory glory ... it's spectacular to witness the leaves change colour. Finnish people even have a name for this "fleeting" season: ruska.

Read Dr. Don Leopold's Guide to Fall Colors in Upstate New York with color images of dozens of trees and shrubs. Every autumn ... of green coloring. But in the fall, because of changes in the length ...