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

A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

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

Now, a research team says new evidence resolves the case. The latest clue comes from a complete skeleton — first uncovered in ...

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 ...

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's ...

A Tyrannosaurus rex skull taller than 6.5 feet is up for auction and expected to draw dinosaurian bids. The skull, which has been named Maximus, is set to go up for sale in New York in December at ...

Articulated skull length 53.5 inches, weighing approximately 160.25 lbs. 30 bones (of an approximate total of 39), with additional cast elements, as well as 29 teeth represented in various states of ...

A new analysis of a controversial tyrannosaur fossil reveals the dinosaur wasn't a teenage version of T. rex as once thought, ...

[Asia Economy Culture Young Intern Reporter] A 76-million-year-old Tyrannosaurus skull fossil is scheduled to be auctioned in the United States next month. The estimated highest bid is $20 million ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those ...