Everything scientists believed about the T-Rex could be wrong after a study proved the existence of its smaller cousin.

More than 60 million years on from its final day on Earth, there's a dinosaur we owe an apology. Paleontologists confirm that the Tyrannosaurus rex locked in combat with a Triceratops in the famous ...

There are literally decades of research... based on a premise that this article overturns,” said one paleontologist.

What if everything we know about T. rex growth is wrong? A complete tyrannosaur skeleton has just ended one of paleontology's ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

A fossil of two dinosaurs locked in battle shows the smaller of the pair wasn’t a young T. rex but a full-grown predator of ...

T. rex's story has been turned on its head by a new discovery about one of the world's most famous fossil finds. One of the ...

In 2006, paleontologists discovered an exceptionally rare and well-preserved fossil specimen preserved with two ...

A major shake-up in dinosaur paleontology reveals that what scientists have long called "Tyrannosaurus" is actually two ...