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 ...

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

CNN — Even as teenagers, Tyrannosaurus rex dominated the top of the food chain. Researchers can say that with more certainty after confirming that two small T. rex fossils found in the early 2000s are ...

For decades, paleontologists argued over the lone skull used to establish the distinct species Nanotyrannus. Was it truly a ...

Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone ...

(NewsNation) — More Tyrannosaurus rex fossils are landing in the hands of wealthy private collectors through the luxury auction market, which is affecting how many of the treasured species are being ...

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 ...

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 ...

Steven Spielberg’s thrilling adaptation of Michael Crichton’s novel Jurassic Park came out at a time when new advances were being made in research about dinosaurs, causing the massive beasts to take ...

Paleontologists for decades debated whether meat-eating dinosaur Nanotyrannus was actually just a juvenile Tyrannosaurus. But ...