Crunch, crunch, crunch—that's the sound of fall under your feet. For many of us, leaf piles scream childhood joy, backyard chores, or maybe even a quick Instagram photo op. But beneath those layers of ...

An international research team has described seven previously unknown species of leaf insects, also known as walking leaves. The insects belong to the stick and leaf insect order, which are known for ...

A team of biologists in Montana and Germany has found that, regardless of type, those insects that express a protective stick- or leaf-like appearance all evolved the same basic body parts. In their ...