Every spring across Europe, billions of oak leafroller moth caterpillars hatch on oak branches and immediately start chewing. Their survival depends on perfect timing: the larvae must emerge just as ...

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Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are food factories for the tree. Powered by sunlight, the green ...

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

For short-lived spring wildflowers such as wood anemone (Anemone quinquefolia) and Dutchman's breeches (Dicentra cucullaria), timing is everything. These fleeting plants, known as ephemerals, grow in ...

Add Yahoo as a preferred source to see more of our stories on Google. This is a maple tree that still has a few dead leaves on it during winter. - Marcia Straub/Getty Images The sound of the wind ...

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

When I was a kid growing up in suburban New York City, I used to wander into the woods and just sit at the base of big old beech trees. I’m not sure exactly what I expected to happen but always ...

Galapagos daisies evolved similar jagged leaves through different genes. This shows evolution can reach the same result in ...

A new study suggests that oak trees attacked by caterpillars can delay leafing out the following spring. That tiny shift, ...