T. rex fossil is actually a species new to science, study says

Tyrannosaurus rex and velociraptor may have had lips covering

Scientists have discovered how many T-Rex ever existed

New controversial study says the T. rex was actually three species

Teenage T. rex' fossils 'are a different dinosaur species

Like Godzilla, but actually real': Study shows T. rex numbered 2.5

Why the sale of a T. rex fossil could be a big loss for science

Is T. rex really three different species? There's debate

76 Million-Year-Old Fossil Settles Paleontology Debate Over T. Rex

Tyrannosaurus rex and velociraptor may have had lips covering