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 ...

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 year, we've learned that almost nothing is guaranteed in life. And yet, as summer turns to autumn, one thing that is certain is the leaves changing color.But why do the leaves change color? And ...

Once again, the summer season comes to an end, and crisp autumn days are upon us. Temperatures drop, the days get shorter and vibrant colors quickly spread across the mountains and valleys as trees ...

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 ...

SYRACUSE, N.Y. - It is nearly one month into fall and the leaves are approaching peak fall foliage color! But what causes our green leaves to change to yellow, orange, or red? And how does the weather ...

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, ...