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 ...

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis ...

A new analysis of a fossil unearthed in 2006 provides a fresh line of evidence that a separate tyrannosaur lineage called Nanotyrannus lived alongside the famous T. rex ...

The new species is called Nanotyrannus. Compared to the well known tyrannosaurus rex, a nanotyrannus was more speedy and ...

The “dueling dinosaur” fossil still leaves more questions than answers as scientists now attempt to determine their causes of ...

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

A new analysis of a controversial tyrannosaur fossil reveals the dinosaur wasn't a teenage version of T. rex as once thought, ...

MARTIN COUNTY, Fla. (CBS 12) — How strong are little T-rex arms? According to Martin County deputies, strong enough to paddleboard. Martin County Sheriff's Office marine unit did a double take when a ...