Leaves changing colors is one of the most iconic parts of autumn in the United States. But why do leaves change their color in the first place?

Ever wonder what makes fall leaves turn red, orange, yellow and purple, or why some years are more colorful than others?

What is the purpose of fall foliage color? As humans, most of us look at the world through rose-colored glasses — maybe as gardeners it's green-colored glasses. And that shading sometimes leads us to ...

It’s that time of the year. The leaves are starting to change colors. This week the National Weather Service in Atlanta shared the satellite image above showing fall foliage changes in the Appalachian ...

The science behind one of nature’s most spectacular seasonal transformations is pretty darn interesting There are many things to love about fall: football weekends, apple cider doughnuts, that first ...

What causes leaves to change into bright colors before they fall off the trees? Is it primarily the temperature change?

It's that time of year again. Fall, when the leaves turn color and the Yankees turn into spectators. At least one of these is enjoyable. A lesson on the chemistry of colorful leaf pigments shows that, ...

Michigan's Upper Peninsula is starting to see fall colors emerge, just in time for the official start of fall. Foliage in the western U.P. has begun changing colors and the change is beginning to ...

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 ...