Scientists discovered some of the oldest bony fish fossils in China. The fossils explain the early history of animals with backbones.

518-million-year-old fossil reveals vertebrates once had four eyes and extra organs that later shaped evolution.

Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

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, ...

How many fossils does it take to accurately train an image-based AI algorithm? According to a new study co-authored by Bruce ...

New research from the University of St Andrews has discovered a crucial piece in the puzzle of how all animals with a spine—including all mammals, fish, reptiles and amphibians—evolved. In a paper ...

A new study led by researchers at the University of Arizona suggests that for every recognized vertebrate species, there are, on average, two ...