A herd of ceratopsians (Styracosaurus albertensis) accompanied by an ankylosaur (Euplocephalus tutus) walk through an old river channel under the watchful eyes of two tyrannosaurs (Gorgosaurus ...

When you hear the word "dinosaur," the first thing that might spring to mind is a hulking skeleton like Sue the T rex in ...

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 ...

Fossil footprints discovered in Canada show that different dinosaur species sometimes herded together, shedding more light on social interaction among the prehistoric beasts. The footprints at the ...

The park's paleontologists identified the fossil as 'Diplodocus,' which was one of the longest among dinosaurs, with ...

A newly discovered trove of fossilized footprints provides what may be the first evidence of prehistoric diversity in dinosaur herds, though not everyone is convinced. A herd of ceratopsians ...