Nicknamed “Gus,” this Tyrannosaurus rex is reportedly one of the biggest, most complete, and most expensive dinosaur fossils ...

Scientists have stumbled on a rare dinosaur fossil from Antarctica, tucked away for decades in a drawer. The bone comes from ...

Beginning Wednesday, visitors who head from the zoo's main entrance straight back past the Leaping Lemur Cafe will be faced with the life-size head of a Tyrannosaurus rex looming over a sign ...

Researchers weren't sure what drove some theropods, like T. rex, to evolve tiny arms relative to their body sizes. Alex Segre / UCG / Universal Images Group via Getty Images Tyrannosaurus rex’s tiny ...

We all know about the dinosaur called the Tyrannosaurus rex, also known as the T. rex, which is famous for its large head and itty-bitty arms. But why do they look like that? The T. rex has been ...

With jaws like these, who needs big arms? A new analysis suggests dinosaurs like Tyrannosaurus rex had shrunken forelimbs because their massive, powerful heads became their primary tool for killing ...

The evolution of tiny arms in several groups of meat-eating dinosaurs was likely driven by the development of strong, powerful heads, which were used to attack prey, according to a new study led by ...

The debate over Nanotyrannus’ identity is finally over. A remarkably preserved fossil proves it was a mature species, not a teenage T. rex. This discovery rewrites how scientists understand ...

Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels hidden inside fossilized bones. In a massive Tyrannosaurus rex nicknamed Scotty ...

“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 ...