Ancient Australia’s predator hierarchy was flipped — giant raptors ruled while T. rex-like dinosaurs stayed small.

Volunteer fossil hunters and trained paleontologists uncover a new Australian dinosaur and the oldest known megaraptorid.

Newly described fossils show carnivorous dinosaurs seen in South America also thrived in the Cretaceous of southeastern ...

What follows is just a small sampling of this year’s most surprising and informative finds, touching everything from dinosaur social lives to as-yet-undiscovered giants. The biggest dinosaurs ...

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...