Leaves changing colors is one of the most iconic parts of autumn in the United States. But why do leaves change their color in the first place?

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 ...

We are well into fall, and many trees have shed their leaves. Some, though, have kept their foliage due to a ...

Like humans, plants can burn if they receive too much sunlight. This is an Inside Science story. Forget showing your true colors -- plants are green precisely because they don't appreciate the type of ...

When the air becomes crisp and the leaves start to turn, it only means one thing: Fall has arrived! Don't get us wrong, we love the bright green hues that grace the treetops throughout the spring and ...

As the long, warm days of summer transition to a darker, cooler winter, leaves across much of the country put on a dazzling display of colors. And as it turns out, the oranges, reds, browns and ...