Check out our fall foliage guide to see where and when to spot peak autumn colors near you. Chlorophyll is what makes leaves ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

A vibrant autumn sunset in the Great Smoky Mountains ... Ready to time your trip with the most vibrant leaves? Peak fall foliage New England, for example, is predicted to begin around September ...

Whenever autumn arrives, whether in a blaze of brilliant leaves or with subtle changes in the life cycles ... color, and light of the fall season. Smithsonian gardens are full of deciduous trees which ...

The word "fall"– short for "falling of the leaf" – was used in the 17th century throughout Britain. In Autumn, birds prepare for winter migration. One of the longest migrations is the 11,000 ...

She had the right qua-leaf-ications. What is the best book to read in autumn? Gourd of the Rings. Why was the man shopping ...

It’s autumn, and that means the leaves on the ... so they fall off. So, leaves always fall. There’s no getting around it. And now you know why - but it’ll never stop being annoying when ...

As autumn approaches, the tree begins breaking down chlorophyll ... During the growing season, trees release two hormones -- ethylene, which causes the leaves to fall, and auxin, which counteracts ...