Tyrannosaurus rex may have been three separate species, say scientists

Researchers have controversially argued there is enough variation in samples to point towards three species of Tyrannosaur, not one.

Reaper of death,' newfound cousin of T. rex, discovered in Canada

Om Nom Nom: T. Rex Was, Indeed, A Voracious Hunter : NPR

T-rex to End All T-rexes Discovered in Saskatchewan

Bold theory' that Tyrannosaurus rex is 3 species gets stomped to pieces

Dinosaur Bone Study Reveals That Not All Giants Grew Alike

10 Facts About Tyrannosaurus Rex, King of the Dinosaurs

The T.rex was a massive coward – and we have the footage to prove it - BBC Science Focus Magazine

Two and a half billion T. rex dinosaurs once lived, study finds

Study refutes claim that T. rex was three separate species

Tyrannosaurus rex may have been three species, scientists say, Dinosaurs

T. Rex Discoveries Reveal How the Dinosaurs Hunted, Walked, and Grew

Newly discovered, primitive cousins of T. rex shed light on the end of the age of dinosaurs in Africa

Giant dinosaur that predates Tyrannosaurus rex unveiled in Utah

Newly-Discovered Tyrannosaur Species Fills Gap in Lineage Leading to Tyrannosaurus rex