There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

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 ...

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

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 ...

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 - ...

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 ...