Modern birds, along with certain snakes and fishes, have skulls whose jaws and palates are not firmly fixed in place.

Studies of the horns, spikes, plates and clubs of dinosaurs could help settle a long-standing debate over their function ...

“After a skull is buried underneath the ground for ... she was able to modify the model to fit with estimated dinosaur anatomy. Despite all of these steps, there’s still an inevitable ...

It includes a partial skull with teeth, spinal column ... or 2.9 pounds. The anatomy of the animal's limbs and claws indicate that it was arboreal and capable of vertically clinging to tree ...

It includes a partial skull with teeth, spinal column, rib cage, forelimbs, and hind limbs. The researchers determined that the skeleton belonged to a mature adult that weighed about 1.3 kilograms, or ...

This geological epoch followed the Cretaceous-Paleogene extinction event that killed off non-avian dinosaurs ... skull with teeth, spinal column, rib cage, forelimbs, and hind limbs. By the ...

This discovery sheds light on the mammal’s anatomy, lifestyle, and — perhaps most surprisingly ... mammals diversified ecologically following the extinction of the dinosaurs,” said Chester, who is ...