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 ...

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 ...

In the usual explanation, the leaves fade, turning yellow in October. Eventually the leaves die, falling off of the trees. Hence, we often call the season "fall." Biologically speaking ... and purple ...

It’s autumn, and that means the leaves ... As the name suggests, that means their leaves are green all the time and they don’t fall off. The reason for this is trees such as firs have a ...

Following is a transcript of the video: Fall foliage is peaking. The Northeastern US is the best place to see it. This was filmed in northwest Connecticut. The leaves change color as the days get ...