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 ...

It may have been a battle for the ages in ancient Montana. About 67 million years ago, two iconic dinosaurs, a Triceratops horridus and a Tyrannosaurus rex, died and were quickly buried together side ...

Around 70 million years ago, Earth’s largest predators were dominating continents, driven by an extraordinary evolutionary shift. Recent findings clarify why dinosaurs like Tyrannosaurus rex and ...

T. rex and other giant dinosaurs evolved tiny arms because their skulls and bites became powerful enough to replace forelimbs ...