Hervé Bocherens says his colleagues find his research methods a little "crude." He dissolves 30,000-year-old animal bones in hydrochloric acid strong enough to burn through metal, soaks the bone ...

Reindeer herders in a Russian Arctic archipelago have found an immaculately preserved carcass of an Ice Age cave bear, researchers said Monday. The find, revealed by the melting permafrost, was ...

Lessons from extinction could help protect the bears of today. New research reveals that the now-extinct cave bear was much more adaptable than once thought yet was still made extinct when faced with ...