Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Defining the characteristics of individual leaves is part of tree morphology, ...

Add Yahoo as a preferred source to see more of our stories on Google. For broad-leaved trees like the holm oak, which grows in Mediterranean climates with dry summers and rainy winters, this seasonal ...

Our mornings have been a little cool. The school buses are on the road. The leaves are falling from the trees. It must be October. Nope, check the date. It is still August; so, what is going on here?

CLEVELAND, Ohio - Some streets are covered in an orange sea of leaves, while other trees and lawns are still a glossy green. So what gives? Why is the falling of leaves so scattered? It comes down to ...

Fall is a magical time of year when leaves change their color and trees are the stars of Mother Nature's fashion show. But there's a scientific explanation behind this transformation. Leaves have ...