Restoration images of Huadanosaurus sinensis (left) and Sinosauropteryx lingyuanensis (right). Illustration: Courtesy of the ...

Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

A new dinosaur species, Duonychus tsogtbaatari, was discovered in Mongolia's Gobi Desert. This therizinosaurs member featured unique two-fingered hands with large claws, unlike others in its group.

The first theropod dinosaur has been identified in Kyrgyzstan. It is named Alpkarakush kyrgyzicus, after a giant mythological bird from the Kyrgyz Epic of Manas that helps out heroes during ...

Oviraptorosaurs are weird dinosaurs that look a bit like flightless birds. But these ancient animals aren't just ...

Newly discovered dinosaur footprints, some previously overlooked, show meat-eating and plant-eating dinosaurs milled around ...

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Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert ...

New habitat, environs, and food sources made some of the dinosaurs to start using their arms for a whole new purpose ...

Decades of major new discoveries and studies have convinced researchers that there’s a direct link between modern bird species and theropod dinosaurs. Once dinosaurs were thought of as scaled-up ...

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 ...

D modeling reveals that as bird brains grew larger, it led to changes in jaw muscles and joint mechanics—enabling the development of a more flexible and efficient feeding system in modern birds.