The red pigments in some fall leaves have proven to be a puzzle for researchers who debate why leaves bother to go red.

Although the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.

Behind every autumn leaf lies a chemical shift-chlorophyll fading, carotenoids glowing, anthocyanins rising-that turns ...

SEATTLE, Wash. — As autumn arrives, the vibrant colors of fall foliage captivate many, but the science behind this natural spectacle is equally fascinating. Scientists have long studied the changes in ...

Why do some trees not lose their leaves in winter? And why do leaves sometimes not change color in fall? Get expert answers.

Getting your Trinity Audio player ready... Written by Angela Mason Foster Extension Master Gardener Volunteer Few sights in ...

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 ...

Have you ever wondered why leaves change color in the fall? Or how the trees know when to start dropping their leaves? Why ...

Over my life I’ve delighted in the annual pageantry of autumn ... costume change, but I realized that while I knew—or thought ...

Do you ever wonder why leaves change in the fall and what determines the colors that they change to? It's kind of like swapping out your summer T shirt for *** snazzy winter coat. They're really ...

Alicia Boor is an Agriculture and Natural Resources agent in the Cottonwood District (which includes Barton and Ell ...