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

A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus ...

Even the apex predator of the Late Cretaceous had to watch its back. This investigation reveals the animals — from horned ceratopsians to massive ankylosaurs — that made hunting risky for T. rex. A ...

Scotty, the largest T. rex specimen on record, is on display at the Royal Saskatchewan Museum in Canada. Kumiko via Wikimedia Commons under CC BY-SA 2.0 Around 66 million years ago, the iconic and ...

A fossilized partial dinosaur skull originally thought to be from a Tyrannosaurus rex might actually represent a previously unknown species, according to a paper published Thursday in the journal ...

'Teen Rex' is about to go on display for the first time and appear in a new T. rex documentary, thanks to a discovery made by three young boys. When you purchase through links on our site, we may earn ...