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

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.

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

Two paleontologists think they have settled a long-standing debate as to whether certain fossils from the very end of the ...

The “dueling dinosaur” fossil still leaves more questions than answers as scientists now attempt to determine their causes of ...

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...

Unearthed in Montana by commercial fossil hunters in 2006, the 'dueling dinosaurs' fossil depicts a triceratops engaged in a fierce battle with a medium-sized tyrannosaur. This fossil dates back to ...

A legendary fossil housed at the North Carolina Museum of Natural Sciences in Raleigh features skeletons apparently locked in prehistoric combat — an epic meeting of two of ...

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

Everything scientists believed about the T-Rex could be wrong after a study proved the existence of its smaller cousin.

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

Researchers have identified a new tyrannosaur species, Nanotyrannus lancensis, from a 'duelling dinosaurs' fossil found in Montana.