Imagine a world teeming with life, but not as we know it—a planet bursting with creatures so bizarre they seem plucked ...

Imagine drifting through a prehistoric sea more than 500 million years ago. The water teems with bizarre creatures, but none ...

All animal evolution for the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ago, another burst of diversification ...

All animal evolution for the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ago, another burst of diversification ...