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

A new specimen of one of the most controversial species of dinosaur has the potential to overturn decades of research on the ...

Now a research team said there’s new evidence that resolves the case. The latest clue comes from a complete skeleton — first ...

How did these different dinosaur species interact? Did they hunt different prey? What did T. rex adolescence really look like ...

NC State University and the NC Museum of Natural Sciences discover the nanotyrannus, a smaller dinosaur once thought to be a teenage T-Rex ...

If you ever wanted a courtroom drama where the jury consists of paleontologists, the defendant is a fossil, and the expert ...

Debate kicked off in 1988 when a single small tyrannosaur skull discovered four decades earlier was given its own species name: Nanotyrannus lancensis. It carried some features which differed from T.