An evolutionary biologist reports evidence of repeatable evolution in populations of stick insects. A long-standing debate among evolutionary scientists goes something like this: Does evolution happen ...

Tap a small beetle on a table and it may suddenly collapse, tuck in its legs, and lie perfectly still. Many insects do this.

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 long-standing debate among evolutionary scientists goes something like this: Does evolution happen in a predictable pattern or does it depend on chance events and contingency? That is, if you could ...