That was the fate of the earliest-known horse, Sifrhippus sandrae (or its jaw bone, at least). It started out at around 5.4 kilograms (12 pounds) but during the Paleocene-Eocene Thermal Maximum ...

A walrus rostrum (upper jaw bone) with tusks used in the study. It can be dated to c.1200-1400 CE based on the characteristics of a runic inscription in Old Norse. It is from the collections of ...

He was discovered hobbling along a road in New Mexico; his body riddled with shotgun pellets as he tried to move on the exposed ends of bones where his hind legs once were. He had been caught in a ...

The bike, which in the world of custom Harleys goes by the name of Jaw Bone, was built around a one-piece frame where the steel fuel tank, the oil tank, and the rear fender are welded into the tubing.