Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

Nanotyrannus and Tyrannosaurus both were members of a lineage of meat-eating dinosaurs called tyrannosaurs, but were not the ...

A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

Jane, long thought to be a juvenile Tyrannosaurus rex, has been reclassified as a new species called Nanotyrannus lethaeus, according to a recent study by researchers Dr.

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...

Newly discovered skeleton rewrites ‘decades of research’ over T. rex - The new skeleton is dubbed ‘Dueling Dinosaurs’ because ...

Tyrannosaurus rex is one of the few dinosaurs that has its full scientific name in wide use, largely because that name is so cool. But now we might have a few others to learn, as analysis of known ...

Palaeontologists have argued for decades over whether certain fossils are young Tyrannosaurus rex or another species entirely ...

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.