You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast. Some sharks go through thousands in a lifetime. Slugs carry ...

For more than a century, paleontologists have been piecing together how the mysterious predator Andrewsarchus is related to other mammals, like the extinct “hell pigs” and “wolves with hooves” Based ...

The animal kingdom stretches anatomy far beyond human expectations. Some creatures carry organs that rival furniture in size, while others rely on structures so tiny they can only be seen through a ...