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

LEVEA, Greece (AP) — It was a shocking sight for the farmer — three of his sheep lying dead on the ground, signs of their ...

See why this Alaskan national park offers the world’s top bear-watching experience. A brown bear searches for salmon along a creek in Alaska’s Katmai National Park. The park supports one of the ...

Oct. 1 (UPI) --Alaska's Katmai National Park announced a brown bear dubbed 32 Chunk has claimed his first-ever Fat Bear Week championship title. The park said the bounteous bear bested a field of ...

The terrifying close encounter was caught on video by a security camera A man walking to his car in Petropavlovsk-Kamchatsky, Russia, had a scary run-in with a brown bear Security footage shows the ...

With Fat Bear Week—our highest of holidays honoring husky brown bears preparing for hibernation— finally upon us, many of us ursid admirers dream of Alaskan brown bears gorging on salmon with a ...

After gorging all summer on sockeye salmon, the portliest brown bears on the Alaska Peninsula will battle it out to see who will be named the fattest of them all in the wildly popular online voting ...

Fat Bear Week is back at Katmai National Park and Preserve. The March Madness-style bracket competition pits some of Katmai National Park and Preserve's bulkiest and most beloved brown bears against ...

A brown bear lies on a mossy rock and opens its mouth wide in a yawn, showing its teeth and strong jaws. The video captures the details of its thick fur, large paws, and relaxed posture against a ...

A roman mosaic shows a fighting North African Atlas bear. Jerzystrzelecki via Wikimedia Commons under CC BY-SA 3.0 Nearly a decade ago, archaeologists found the broken skull of a bear among the ruins ...

The fossilized remains of a brown bear were discovered near the Viminacium amphitheater in Serbia, a Roman gladiator. The male brown bear suffered a fracture to its frontal bone, which resulted in an ...