The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red. Why do only some leaves turn red in the fall? Scientists can't agree on an ...

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 ...

Autumn is a big time for trees. Many shed their leaves, and of course, before the leaves fall, they can turn brilliant colors. One of those colors has generated a lot of heated debate among scientists ...

Scientists know why leaves turn yellow in the fall: Chlorophyll breaks down, revealing the yellow pigment that was there all along. But red? Red... Fall foliage is still a mystery: Why do some leaves ...

The forests of Indiana are a glory this time of year. Lumbering catalpa trees growing above Indianapolis homes are starting to fade into gold and the forests of Brown County have fallen into a vibrant ...

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 ...

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 ...

The season's first peak colors are bursting in parts of the Empire state as New York's leaf-peeping season hits its stride. According to New York's weekly fall foliage report, spectacular seasonal ...