An old dinosaur debate gained new traction after a new study's findings suggesting that miniature versions of the famed Tyrannosaurus rex may actually be a distinct species. Researchers from the ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

The iconic Tyrannosaurus rex, or “T. Rex,” might need to be re-categorized into three distinct species, according to researchers. The Tyrannosaurus rex is the only recognized species of the group of ...

Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus. But ...

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 ...

Fossils found 50 years ago were initially thought to belong to another species. Paleontologists have discovered a new species of dinosaur that was related to the infamous Tyrannosaurus rex. The dino ...

Tyrannosaurus rex was the top predator in North America during the last days of the dinosaurs, but there’s one dinosaur it may have given a wide berth. That dinosaur is Ankylosaurus magniventris, a ...