About 350 million years ago, our planet witnessed the evolution of the first flying creatures. They are still around, and some of them continue to annoy us with their buzzing. While scientists have ...

Two 'great appendage' arthropods and their reconstructed brains: Alalcomenaeus (left) is at the root of Chelicerata, which includes scorpions, spiders, and their relatives. Jianfengia (right) is shown ...

As school children are commonly taught, adult insects have six legs. No more, no less. But there's more to this story. The class Insecta is descended from multilimb ancestors, and most other living ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...