In just the last decade, the U.S. has officially declared five species extinct, marking a tragic loss for biodiversity. Once ...

The wolves were captured from and released back to three packs in Siskiyou, Lassen and Sierra counties, state wildlife ...

Bastetodon was classified as a species of the extinct group of carnivorous mammals called hyenodonts, which evolved long ...

Picture a primordial Earth: a world of muted browns, greys and greens. Fast forward to today, and Earth teems with a ...

With sharp catlike teeth and a doglike body, ancient carnivores called hyaenodonts were once at the top of the food chain, ...

Some animals seem to defy the laws of nature, and scientists are still puzzled by how they survive. From creatures with ...

Brookfield Zoo Chicago officials treated a tiger, bear, leopard and sea lions to heart-shaped gifts for Valentine's Day. The ...

The field of paleo-inspired robotics is opening up a new way to turn back time and studying prehistoric animals. What will ...