Swim along the edge of a coral reef and you'll often see schools of sleek, torpedo-shaped fishes gliding through the currents ...

We share the planet with a huge diversity of plants and creatures. But we can see similarities between organisms that live continents apart or are very different in other aspects. One reason for this ...

Examples of convergent evolution include the similarly streamlined teardrop body shape that evolved in ichthyosaurs, sharks, tuna and dolphins — a response driven by natural selection in similar ...

Ever since Charles Darwin, scientists have assumed species facing the same problem often evolve similar traits. But that’s ...