A new study shows that thanks to cheaper DNA testing, we've reclassified more mammal species and have more biodiversity.

In the animal kingdom, penises can be spiked, split, corkscrewed – even detachable. They’re one of the most diverse ...

Newly analyzed Arctic fossils show that marine ecosystems recovered astonishingly fast after the “great dying.” More than 30,000 teeth, bones, and other fossil fragments from a 249-million-year-old ...

A new study shows that RNA splicing, not just gene expression, holds powerful clues to why some mammals live far longer than ...

Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

In a study by Dr. Martin Ebert and Dr. Steve Etches published in the Zoological Journal of the Linnean Society, the osteology ...