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

Protoclone is supposedly the world's first bipedal, musculoskeletal android. But it's mostly just got people creeped out.

Atherton, California-based Clone Robotics designed the Protoclone with a polymer skeleton that replicates 206 human bones.

Sweden's Viking Age population appears to have suffered from severe oral and maxillofacial disease, sinus and ear infections, ...