Add Yahoo as a preferred source to see more of our stories on Google. By spring, the leaves on trees grow and assume the color green, and by autumn, they change to sometimes brilliantly warm colors ...

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 ...

Fall is here and leaves across Wisconsin are starting to turn hues of orange, yellow and red. But you might be wondering — why do some leaves change color in the fall? To get to the bottom of fall ...

The forests of Indiana are a glory this time of year. Lumbering catalpa trees growing above Indianapolis homes are starting to fade into gold and the forests of Brown County have fallen into a vibrant ...

Gold in a branch on the sunny side of a tree. Scarlet in a shrub. The first flashes of color mean that fall is coming soon. Leaf color is a sign that trees are preparing for winter by entering the ...