Looking for blind cavefish in San Luis Potosí, biologist Luis Espinasa and his team accidentally found the remains of giant ...

NEFUThe wholly-intact teeth of a prehistoric cave bear whose species went extinct about 20,000 years ago. The Siberian ...

The method may be harsh, but the yield is precious—the chemical biography of a cave bear. Bocherens, an evolutionary biologist at the University of Tübingen, Germany, is in the vanguard of ...

Second, one of the drawings was defaced in a telling way: “It was covered by a bear scratch,” Ruiz-Redondo says. The mark was made by a cave bear, an animal that went extinct 24,000 years ago ...