History’s most frightening dinosaur, the Tyrannosaurus rex, came from a long line of pipsqueaks. Scientists have identified a new cousin of the T. rex that reached only the 3-foot height of a toddler.

For years, the "dueling dinosaurs" in a North Carolina museum were believed to be a Triceratops and Tyrannosaurus rex. However, an article published on October 30 in the journal Nature has a different ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Tyrannosaurus rex, whose name translates to the tyrant lizard king ...

Fossils paleontologists initially thought belonged to a juvenile Tyrannosaurus rex actually belong to a new species of ...

The Tyrannosaurus was first identified over a century ago, and paleontologists have long thought of the dinosaur as one species: the mighty T. rex that terrified children everywhere when Jurassic Park ...

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 ...

At the twilight of the age of dinosaurs, an agile and vicious predator named Nanotyrannus prowled western North America, resembling a smaller version of Tyrannosaurus - about a tenth the body mass - ...

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 ...