A Montana fossil reveals that Nanotyrannus, once thought to be a young T. rex, was actually a full-grown predator and it's ...

A small dinosaur skull found in Montana 40 years ago was thought to be a young T. rex. Turns out it was a smaller, faster ...

For years, paleontologists have debated whether the T. rex-like dinosaur in the fossilized tableau and others are indeed ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species ...

LONDON --Tyrannosaurus rex was a slowpoke. That is the conclusion drawn from the latest research by scientists at the University of Manchester in England, whose study flies in the face of decades of ...

If Tyrannosaurus rex is too mainstream, discerning 10-year-olds may now have a new name to spout when asked their favorite dinosaur – Tyrannosaurus mcraeensis. The newly identified species appears to ...

It is thought that the creature may have a lot in common with birds, following analysis of dinosaur bones, teeth and skin THE TYRANNOSAURUS Rex was the most feared and ruthless killing machines nature ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

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 – ...

King of the dinosaurs the Tyrannosaurus may have been three species and not just the single T Rex, researchers have claimed. T. rex, meaning “tyrant lizard king,” has been the sole species of the ...

Tyrannosaurus rex earned its “Tyrant King” status partly due to its enormous size. An adult T. rex could easily grow over ...