This sugar maple leaf shows multiple different pigments that cause it to appear green (chlorophyll), yellow (carotenoid) and red (anthocyanin). Summer has given way to fall, and with that the green of ...

The arrival of autumn brings about longer and cooler nights. These changes send a signal to the leaves in trees to stop producing chlorophyll, the compound that makes them green. The loss of ...

Fall foliage can be experienced across much of the United States in various ways and at different locations. While New England maintains an autumn stronghold, other parts of the country offer equally ...

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.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The autumn sweater weather and early sunsets are giving way to the beauty of fall's changing leaf colors. Here's when and what to ...

CLEVELAND (WJW) — The red, orange and yellow hues of fall leaves are popping as it’s starting to finally feel like fall in earnest. If you enjoy tracking the changing leaves, you’re likely wondering ...

Mowing, blowing, raking, mulching, vacuuming, composting, leaving intact — leaf-removal choices could make your head spin. What if you could determine the best removal method for every kind of fall ...

With fall just around the corner, it’s time to start thinking about what you’re going to do with all the autumn leaves your trees are about to dump on your lawn. You can rake them into a pile at the ...

Alexandra Blodgett has been to 35 national parks in the US. She prefers parks with stunning views and epic hikes but also loves leaf-peeping in the fall. She thinks North Cascades National Park in ...