It's that time of year again. Fall, when the leaves turn color and the Yankees turn into spectators. At least one of these is enjoyable. A lesson on the chemistry of colorful leaf pigments shows that, ...

Add Yahoo as a preferred source to see more of our stories on Google. By spring, the leaves on trees grow and assume the color green, and by autumn, they change to sometimes brilliantly warm colors ...

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 ...

This Weather Wednesday dives into all things fall! Explore different colors that make up the leaves and why they go from green to red in autumn. This Weather Wednesday dives into all things fall!

Autumn officially began last Sunday, although the true harbinger of autumn — those ubiquitous pumpkin-flavored drinks and treats — began appearing at my morning coffee stop nearly a month ago! Autumn ...

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 ...

Read Dr. Don Leopold's Guide to Fall Colors in Upstate New York with color images of dozens of trees and shrubs. Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, ...

Before the advent of pumpkin spice lattes and Halloween decorations, the most reliable indication of autumn’s arrival lay in the tree canopy as its greens gave way to yellows and reds and its leaves ...

October is finally here, and with it comes more fall foliage reaching its peak throughout the U.S. Each year, as trees begin to store a chemical called chlorophyll, their leaves lose their green ...

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 ...