A rare fossil of an adolescent Tyrannosaurus rex has been excavated in North Dakota's badlands - a find noteworthy for the scientific insight it may offer into the life history of this famous ...

The fossils revealed the previously unknown existence of a dinosaur type called carcharodontosaurs in the land that would ...

The newly discovered bones of a horse-sized tyrannosaur may help show how T.Rex became one of the ... helps fill a gap in the tyrannosaur fossil record. Photo: Todd Marshall/Reuters ...