Add Yahoo as a preferred source to see more of our stories on Google. Autumn heralds the arrival of cooler weather, shorter days and colorful scenes across the United States as trees start to prepare ...

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 ...

SEATTLE, Wash. — As autumn arrives, the vibrant colors of fall foliage captivate many, but the science behind this natural spectacle is equally fascinating. Scientists have long studied the changes in ...

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 ...

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, ...

Leaves begin to change color in the fall thanks to cooler days and nights, and due to shorter days bringing less sunlight. This causes trees to stop producing as much chlorophyll, which gives leaves ...

The Pacific Northwest is renowned for its breathtaking fall foliage, drawing leaf-peeping enthusiasts from across the globe. Understanding when and where to catch the peak colors can enhance the ...

With September finally here, the yellow, orange and red hues of fall foliage will soon make an appearance, signalling the coming of the autumn and trees preserving their energy each year. Fall foliage ...

With the onset of fall, many things fill the Adirondack air: The smell of wood stoves burning, the color of the trees, and the sounds of cursing as a slow driver holds up traffic while looking at the ...

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 ...

I had written an article on leaves during a series on plants. I wrote about the green called chlorophyll. Green is the color of life, nature, health and prosperity. It is hope in the spring; the ...