Just when you thought it was safe to go back in the water, scientists have discovered a giant, bus-size sea predator that was ...

For decades, the disproportionately small forelimbs of Tyrannosaurus rex have been one of paleontology’s ...

Mighty meat-eating dinosaurs like Tyrannosaurus rex had tiny arms because they used their powerful heads as the primary ...

We’ve all seen the jokes about Tyrannosaurus rex and its tiny arms. One of the most fearsome predators ever to walk the Earth ...

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

They were once one of the most fearsome dinosaurs to roam the earth, with an enormous set of teeth, but why did the T.rex ...

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

Researchers say the Tylosaurus rex measured up to 43 feet long with powerful jaws and serrated teeth.

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

A new study suggests that the tiny arms of large meat-eating dinosaurs, such as Tyrannosaurus rex, are linked to the ...