Some were the size of a dog. Others were as large as polar bears. A newly-discovered fossil of the ferocious hyaenodont is ...

Archaeologists uncovered a fossilized skull of an ancient sharp-toothed predator that likely hunted early elephants and primates.

In posterior C1/C2 fusion using lateral mass screws or pedicle screws, screw stability is predominantly determined by ...

We aim to give you a view into how each option could fit into your life and workflow, and the pros and cons of their various features. Bone conduction headphones keep your ears open and aware of ...

He was uninjured, and X-rays of his spine showed no fractures. They did, however, reveal unusually dense bones. John's radiologist referred him to Karl Insogna, the director of the Yale Bone Center.

Megan Nolan on the almost mystical appeal of animal escapes.