Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of paleontology.

Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a tyrannosaur skull to ...

A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is ...

Call it shovel and pail-eontology. Three North Dakota boys made the extraordinary discovery of a highly rare Tyrannosaurus rex fossil that could change what we know about dinosaurs. Now, the ...

NEW YORK (AP) — Scientists have long puzzled over the origins of a mysterious dinosaur excavated in the 1940s: Was it a young T. rex or another type of dinosaur? At first, researchers had only a ...

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Then you look closer and notice the detail: how the ribs are built at different lengths to create a rib "cage," how the dark-colored bricks create the illusion of shadow and throw the light-colored ...

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the T rex. Nanotyrannus, the "miniature T rex," has been the center of one of ...

Dinosaur Train is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...