Chlorophyll is the compound in green plants that gives them their color. It helps plants absorb sunlight and undergo the process of photosynthesis. In the fall, leaves change color because their ...

Every fall season, nature lovers look forward to scenic fall foliage. But do we know the science behind why leaves do this once the temperatures start dropping? Here's how nature creates art during ...

LISLE, Ill. (WLS) -- The leaves are just starting to change. But how vibrant will the fall colors be this fall season? Meteorologist Larry Mowry went to the Morton Arboretum to talk to an expert. It's ...