It's extremely rare to find a complete skeleton of a dinosaur. It's rarer still that such a skeleton needs to be found twice. Such is the fate of "Stan" the T. rex, a massive, mostly complete skeleton ...

Fewer Tyrannosaurus rex fossils are available for scientific research because wealthy people are purchasing them for private collections, a new study has found. Dinosaur fossils are a popular ...

Paleontologists are being forced to compete with rich collectors for access to dinosaur skeletons. When it comes to T. rexes in particular, the outcome is predictable, and science is suffering, a new ...

A remarkably complete tyrannosaur specimen, unearthed in the middle of Montana, may finally settle one of the most contentious debates in paleontology and upend our understanding of Tyrannosaurus rex, ...

For many years, paleontologists have debated about whether there was a smaller relative of the Tyrannosaurus rex, or if those smaller fossils were really just awkward teenage versions of the king of ...

It's known as the "Dueling Dinosaurs" fossil: A triceratops and a tyrannosaur, skeletons entangled, locked in apparent combat right up until the moment of their mutual demise. Even in the Hell Creek ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Known as the duelling dinosaurs, this fossil preserves an ...

A famous and expensive T. rex fossil has turned up after vanishing 2 years ago. It’s extremely rare to find a complete skeleton of a dinosaur. It’s rarer still that such a skeleton needs to be found ...