The skull of a dire wolf, an Ice Age apex predator that once roamed the Americas more than 10,000 years ago, is surfacing on the auction block. The specimen is part of Heritage Auctions’s Nature and ...

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 ...

Bear tracks are not uncommon in the soft sediments of the caves of the Iberian Peninsula, and many speleologists are familiar with their presence. "However, until now, these fossil traces had not been ...