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 ...

This article originally appeared on Arizona Republic: Why do leaves change color in the fall? Here's the science behind the fall phenomenon ...

The leaves, scientists will tell you, don't just fall off of the trees by happenstance. The tree intentionally drops the leaves to prepare for winter. And the changing of the colors of the leaves is ...

As foliage darkens in the fall, the pigments within the plant matter break down and transform What Is an Aurora? (03:13) 5 Record-Breaking Bird Migrations (02:56) Pesto the Enormous, Viral King ...

It's the first day of autumn, and the telltale signs are here: crisp weather, pumpkin spice lattes and, most importantly, the leaves are changing colors. Ever wonder why some leaves turn red ...

Due to warmer temperatures, the leaves are changing colors a little behind schedule this year, which means you still have time to travel to the region for peak "leaf peeping" season. This footage ...

Leaves change color every year during the fall season. According to Gardner, this can be narrowed down to two contributions: the loss of daylight and the temperature change. During the fall ...

Fall children’s programs have begun in earnest. One of the highlights from today was watching a group of very young children using paint dabbers to make colorful fall trees. They worked so ...