We all know about the dinosaur called the Tyrannosaurus rex, also known as the T. rex, which is famous for its large head and ...

The evolution of tiny arms in several groups of meat-eating dinosaurs was likely driven by the development of strong, ...

“When you come for the king, you best not miss,” said New Scientist – “particularly if the king in question” is Tyrannosaurus rex, a nine-tonne dinosaur with “the biggest teeth of any known land ...

Some scientists have suggested a different idea: T. rex’s arms may have evolved to be smaller as another body part grew larger. The fossil record reveals that arms got shorter as theropod skulls got ...