A fossil once locked in prehistoric combat has just rewritten one of paleontology’s longest-running debates — and upended what scientists thought they knew about Tyrannosaurus rex.

After years of study, the researchers established that the predator was not a juvenile T. rex at all but a fully grown ...

NC State University and the NC Museum of Natural Sciences discover the nanotyrannus, a smaller dinosaur once thought to be a ...

This was not only a kick in the jewels for the president, but for Speaker Moses as well. On Thursday, he accidentally gave ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

Fossil known as Nanotyrannus was full-grown predator that lived alongside Tyrannosaurus rex, study finds - Anadolu Ajansı ...

"The fossil, part of the legendary 'Dueling Dinosaurs' specimen unearthed in Montana, contains two dinosaurs locked in ...

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 - ...

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

Once thought to be a baby T. rex, was a separate, agile species that redefines the predator hierarchy of the late Cretaceous.

A major shake-up in dinosaur paleontology reveals that what scientists have long called "Tyrannosaurus" is actually two ...

A new study shows that 67-million-year-old fossils originally discovered around eighty years ago, are that of an adult ...