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

An exceptionally preserved skull, discovered in northeastern Spain, sheds new light on the evolution of stegosaurs. This rare ...

The dinosaur skeletons, found hidden in a museum collection in Mongolia, is an ancestor of the mighty tyrannosaurs.

A reexamination of fossils found in Mongolia has revealed a previously unknown “missing link” species that led to dinosaurs ...