A new study published by The Royal Society reveals the disproportionate arms of a T. rex can be linked directly to evolution.

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite.

A new study has found that the T. rex's arms evolved to become smaller at the same time as its head grew to catch more prey ...

An analysis of 85 dinosaur species shows that tiny forearms in meat-eating dinosaurs were the result of an evolutionary trade-off.

The Tyrannosaurus rex is among the most well-known dinosaurs. Huge skull, massive teeth, a body weighing tons—and then those tiny arms. Few features of the famous predator seem as odd at first ...

Pigeon GPS lies in their liver, an archival interview with the woman who discovered pulsars, researchers found a network of ...

The newly described mosasaur Tylosaurus rex spanned up to 43 feet (13 meters) long and may have been one of the fiercest marine predators of the dinosaur age.

There’s a newly crowned T. rex. This one, called Tylosaurus rex, was a tyrant of the sea and mosasaur spanning up to 43 feet ...