This is evidence that quite separate, independent episodes of molecular evolution occurred, with the same functional results. This is a dramatic example of convergent evolution, when organisms ...

In the depths of the ocean, where there’s no sunlight and the pressure could crush a submarine, a handful of animals have ...

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.