More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...

For decades, paleontologists have argued over one mystery: was Nanotyrannus a real species, or just a teenage Tyrannosaurus rex? Now, a new fossil has finally ended the debate—and rewritten the story ...

The Tyrannosaurus rex seemingly came out of nowhere tens of millions of years ago, with its monstrous teeth and powerful jaws dominating the end of the age of the dinosaurs. How it came to be is among ...

No creature in the history of planet Earth sparks the imagination quite like Tyrannosaurus rex. But how do we separate the movie-monster myth from the actual animal? Victoria the T-rex, a traveling ...

Researchers say they have identified a new species of Tyrannosaurus that traces the dino's lineage to North America much earlier than previously thought, and could shed new light on the murky origins ...

The jaw fossil for Tyrannosaurus mcraeensis has key distinctions from T. rex. Paleontologists have discovered a new species of dinosaur that could be the closest-known relative of the famed ...

A groundbreaking study has settled a 40-year debate: the 'tiny tyrant' fossil is not a juvenile Tyrannosaurus rex but a distinct species, Nanotyrannus ...

While hiking through the fossil-rich terrain of North Dakota, three children made a discovery that paleontologists are calling one of the rarest in recent memory — the skeleton of an adolescent ...