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

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

Mistaken identity? Scientists say this dinosaur isn't T-rex

Researchers: Earlier study breaking T. rex into 3 different

Fewer T. rex walked the Earth than previous estimated, new study

Small 'cousins' of T. rex may actually have been growing teenagers

Scientists debunk bold theory of T. rex as 3 species

T. rex walked surprisingly slowly, new study finds

The 120-year search for the purpose of T. rex's arms

New research finds T. rex had scaly lips