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 ...

MINNEAPOLIS — The latest map shows fall colors are just starting to emerge across parts of northern and southern Minnesota. That means it's only a matter of time before the leaves drop. You may think ...

BISHOP, Calif. — Just after dawn on Thursday, I pointed my car up a long, steep hill outside Bishop and climbed through the high desert scrub toward the towering peaks of the Eastern Sierra. For about ...

It's officially fall in the Northern Hemisphere, which means bright, beautiful foliage isn't far behind. Parts of the U.S. will soon start to see — if they haven't already — leaves and shrubs trade ...

Warmer nights can delay the changing colors of leaves or turn down their vibrance, scientists say. Heat and drought are bad combinations for trees, putting stress that could mute autumn colors. One ...