This specimen of Allosaurus shows evidence of injuries that may have resulted in the animal's death at a relatively young age. "Big Al" was featured in the BBC's "Walking With Dinosaurs: Allosaurus" ...

Over the next few years, paleontologists located more of the dinosaur with its bones "articulated" — or, fossilized in the same order as when it was alive. That means that after the allosaurus ...

University of Wyoming researchers used CT scanning to see how much of the fossilized bones in an historic dinosaur were real.