Leaves changing colors is one of the most iconic parts of autumn in the United States, and there's still time to catch stunning fall foliage before trees become totally bare leading into winter. But ...

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 ...

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 ...

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 ...

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 ...