A leaf may appear to be one of the simplest structures in nature, thin, delicate and easily overlooked. At first glance, it ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have discovered a zombie tree that converts its leaves into roots as it dies. The Cyathea rojasiana tree fern, ...

Oak trees have a surprising trick to fight back against hungry caterpillars: they simply wait. When trees are heavily ...

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 ...

The glorious show of autumn color is transitioning to the familiar browns and barren trees that will continue through winter. Two Purdue experts recently offered advice on what to do with fallen ...

Have you ever noticed that when you cut down a tree — or a tree dies suddenly — the dead leaves stay on the tree for a long time? The leaves go from green to brown, but stay on the dead tree branches.

Finally, the major damage to the leaves on your lemon tree appears to be the result of grasshoppers or katydids. These ...

MINNEAPOLIS — The latest map shows fall colors are just starting to emerge across parts of northern and southern Minnesota. That means it's only a matter of time before the leaves drop. You may think ...

Howard Garrett Are your live oaks dropping leaves? Are they in trouble? Dropping leaves, yes. In trouble, probably not. Evergreen trees generally drop their leaves yearly, but usually in the spring ...