Altogether, the pieces reveal a slender tyrannosaur that roamed Cretaceous Mongolia about 86 million years ago and was about ...

Learn more about a newly discovered dinosaur species that is now the closest-known ancestor to the Tyrannosaurs.

The 36 well-preserved cervical vertebrae and 50 neck bones indicate that Traskasaura had a very long neck. While not much is known about its behavior, the “fascinating and long list of autapomorphic ...

Rex, and its broader tyrannosaur lineage, remain a mystery. Now, scientists are taking a fresh look at tyrannosaur fossils ...

Paleontologists have discovered a new species of dinosaur that belongs to the same group of the infamous Tyrannosaurus rex.

Yet they were living at the same time as the more famous tyrannosaurs of the Late Cretaceous. And scientists had long thought that dinosaurs with these traits had gone extinct, replaced by ...

so that now they are by far the most completely understood group of the dinosaurs, not excepting the famous iguanodonts of the Wealden or Lower Cretaceous of Bernissart.

Khankhuuluu mongoliensis forms the 'missing link' between the smaller early tyrannosaurs and the T-rex, scientists say.