Ancient Magdalenians practiced cannibalism, consuming enemies and possibly loved ones, revealing prehistoric violence.

Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

In an underground cave of southern China, an eyeless river creature with an externally “visible” skull moved through the dark waters. Its hard-to-reach home helped it go largely unnoticed. But when ...