Scientists have long puzzled over the gap in the fossil record that would explain the evolution of invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, ...

Two fish fossils found in China have given us more insight into what bony fish looked like before separate lineages diverged.

The water-to-land transition stands as one of the most significant events in vertebrate evolution, giving rise to the two ...

Learn how a second pair of eyes helped this 518-million-year-old fish evade predators. Spiders have eight eyes, bees have five, and boxed jellyfish have 24 — but these are the exceptions. The vast ...