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 ...

This is the time of year when Nicole Hughes gets constantly distracted by the fall foliage as she drives around North Carolina. "I'm always looking," says Hughes, a biologist at High Point University.

Many people consider fall to be one of the prettiest times of the year as the weather cools and the trees turn beautiful shades of yellow, orange and red. But there’s one problem: the fall foliage ...

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 ...

Fall is just around the corner, when leaves begin to change their colors. But have you ever wondered what causes them to transform? "Plants make their food using sunlight and something called ...

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 ...

Do you ever wonder why leaves change in the fall and what determines the colors that they change to? It's kind of like swapping out your summer T shirt for *** snazzy winter coat. They're really ...

Millions of people each year wait eagerly to see the leaves change brilliant hues of red and yellow. But do you know why the leaves put on this mesmerizing show each year? The secret is that these ...

The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red. Why do only some leaves turn red in the fall? Scientists can't agree on an ...