Add Yahoo as a preferred source to see more of our stories on Google. With September finally here, the yellow, orange and red hues of fall foliage will soon make an appearance, signalling the coming ...

Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns survival into spectacle. Every autumn, landscapes across much of the world ...

Millions of people every year make it a goal every fall to witness the beautiful changing of leaves. Timing is key, as see peak season is when trees are at their maximum brightness. It’s a challenging ...

This animated map shows fall leaf color projections. Red indicates peak color. It’s officially fall in the Northern Hemisphere, which means bright, beautiful foliage isn’t far behind. Parts of the U.S ...

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 ...

This is the time of year when Nicole Hughes gets constantly distracted by the fall foliage as she drives around North Carolina. "I'm always looking," says Hughes, a biologist at High Point University.

The arrival of pumpkin spice lattes and cooler temperatures may mean fall is on its way, but nothing quite kicks off the season like when the leaves change into those vibrant hues of yellow, orange ...

This month’s challenge is fit for the season: Fall leaves. According to Alan Dickman, University of Oregon biology department curriculum director writing for the Scientific American, the shortening of ...

A kaleidoscope of colors is in the forecast for the Upstate and western North Carolina. Expect some "great fall (leaf) color," according to Don Hagan, associate professor of forest ecology in the ...