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, ...

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 ...

It’s a question parents might dread more than “Why is the sky blue?” But the answer will not only make you look like a genius, it’ll inspire curiosity, outdoor exploration, and scientific discovery in ...

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 ...