The caramel-colored skull of an ancient cave bear is believed to be at least 60,000 years old, and it’s up for auction in Anchorage.

Katsuo Harada keeps in his possession the skull of a brown bear that nearly killed him 23 years ago. The skull’s jaw is movable, allowing Harada to show how the bear’s teeth, including its ...

New research into fossils found in Scotland’s Bone Caves suggests that polar bears may have once roamed the region during the ...