Paleontologists are marveling over a unique fossil of a specimen that pre-dated the dinosaurs, according to new research.

Did dinosaurs really roar? Artists Courtney Brow and Cezary Gajewski challenge this idea with 3D-printed skulls that bring prehistoric sounds to life.

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 ...

have skulls with jaws and palates that aren't rigid and fixed in place like those in mammals, turtles, or non-avian dinosaurs. Alec Wilken, a graduate student in integrative biology at UChicago and ...

A cascade of changes from dinosaurs to birds When the team analyzed data from the 3D models, they saw that as brain and skull sizes increased in non-avian theropod dinosaurs, muscles shifted into ...

Animation of a theropod dinosaur skull, showing muscle forces. Credit: Alec Wilken, Casey Holiday Modern birds, as well as other animals like snakes and fishes, have skulls with jaws and palates ...

Modern birds, as well as other animals like snakes and fishes, have skulls with jaws and palates that aren't rigid and fixed in place like those in mammals, turtles, or non-avian dinosaurs.

Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person may be different for another. For example, 19% to 54% of people have an attached earlobe, which is a genetic ...

Scientists have proposed a significant reorganisation of the dinosaur family tree, with major implications for our understanding of dinosaur origins and evolution. An X-ray film of a fly pupa ...

Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly gleaned from analyzing ...

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 ...