A newly discovered relative of *Tyrannosaurus rex* has prompted a reevaluation of the "king of dinosaurs'" lineage. This ...

Tyrannosaurus rex was a late developer who kept growing until the age of 40, reveals new research. The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to ...

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Watch this video about Khankhuuluu mongoliensis, an ancestor of T. Rex. Video via the University of Calgary. We wanted something to epitomize how it’s not quite the king yet. Tyrannosaurs are often ...

Add Yahoo as a preferred source to see more of our stories on Google. Palaeontologists have argued for decades whether the Nanotyrannus was a true species in its own right or merely a young ...

Dinosaur Institute researcher shows throat bones accurately record maturity in dinosaurs, establishing Nanotyrannus was a fully grown, entirely distinct species from T. rex “The identity of the ...

The largest-ever study of how Tyrannosaurus rex grew shows a much longer, slower path to adulthood than scientists previously thought. For decades, scientists have been counting annual growth ...