Although Tyrannosaurus rex stood at the top of the food chain, one contemporary dinosaur may have posed an exceptional threat. Fossil evidence offers clues about one of prehistory's greatest rivalries ...

A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of a dramatic predator-prey encounter. The discovery suggests the giant ...

Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...

The prehistoric autopsy helped researchers determine that Scotty died from injuries suffered during a fight with another ...

Heureka, a major science centre in Vantaa in the Helsinki metropolitan area, has opened a new Evolution of Dinosaurs ...