Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across ...

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

"It's a case of 'use it or lose it.'" ...

You probably wouldn't say it to its face, but the famously fearsome Tyrannosaurus rex has long been the butt of tiny arm ...

It ran on the tips of its toes. Its bite was brutal enough to take down a titan. And its neck was so strong, there was no way ...

Tylosaurus rex rewrites the story of giant sea predators, not just for its size but for what its bones reveal about mosasaur ...

Paleontologists at University College London have found that the reason for the appearance of short forelegs in tyrannosaurs ...

New study explains why T rex had such tiny arms: ‘The head took over’ - Researchers say giant head adaptations in dinosaurs ...

T. rex and other giant dinosaurs evolved tiny arms because their skulls and bites became powerful enough to replace forelimbs ...

Researchers analysing dozens of theropod species found a strong link between reduced forelimbs and stronger skulls, offering ...

Some scientists have suggested a different idea: T. rex’s arms may have evolved to be smaller as another body part grew ...