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 ...

Purple leaves give ornamental trees their seasonal appeal, but in some cultivars this striking color does not last. A new ...

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 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, ...

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 ...

Bands of yellow and orange aspen trees ripple across the slopes, flickering against the dark green of conifer forests. The display is dazzling, but leaves don’t change color just for decoration. The ...

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 ...

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 ...