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

Scientists say there’s new evidence that settles the origins of a mysterious dinosaur excavated in the 1940s. Researchers ...

Paleontologists spotted injuries on the tails of duck-billed dinosaur fossils that might have occurred during mating.

In England, the “sword dragon” is discovered, a new species of Jurassic ichthyosaur that reveals clues about marine evolution ...

A remarkable fossil discovery in Montana may redefine our understanding of Tyrannosaurus rex, revealing that what was once ...

In what might be the coolest solution to "how to find fossils", a new study has revealed how we can take to the skies when ...

For decades, paleontologists have argued over one mystery: was Nanotyrannus a real species, or just a teenage Tyrannosaurus rex? Now, a new fossil has finally ended the debate—and rewritten the story ...

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

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

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those ...

One of two new plant-eaters found in Utah, the species has shaken up a branch of the dinosaur family tree, a new study says.

Nano Tyrannus lancensis was first identified in the 1940s but later largely dismissed by the paleontological community as ...