Yes and no: It depends on how you classify animals. There are two main classification systems – the Linnaean system which groups organisms by characteristics and the phylogenetics system, which ...

We’re only in the early stages of 2026, and one massive change from last year may have already occurred: there may actually ...

Scientists have uncovered an unexpected genetic shift that may explain how animals with backbones first emerged and became so diverse.

Snakes and mice don't look alike. But much of what we know about skin coloration and patterning in vertebrates generally, including in snakes, is based on lab mice. However, there are limits to what ...

(Reuters) -Seventeen footprints preserved in a slab of sandstone discovered in southeastern Australia dating to about 355 million years ago are rewriting the history of the evolution of land ...

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 ...

Fossilized skin impressions uncovered in central Germany are now regarded as the oldest known evidence of reptile skin.

Learn how a second pair of eyes helped this 518-million-year-old fish evade predators.

Using the fossil record and modern cold-blooded critters, paleontologist Kelsey Jenkins recreates the hearing capabilities of ancient animals ...