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 case of mistaken identity seemingly finally settled this week could shake up vast swathes of what we thought we knew about the most ferocious of dinosaurs—Tyrannosaurus rex. For years, ...

A case of mistaken identity seemingly finally settled this week could shake up vast swathes of what we thought we knew about the most ferocious of dinosaurs—Tyrannosaurus rex. For years, ...

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's longest-running debates—whether Nanotyrannus is a distinct species, or ...

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 ...

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 ...

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 the world’s favorite ...