One of the most famous dinosaurs to ever roam across Earth, Tyrannosaurus rex, has filled people’s minds with wonder since ...

A prehistoric snake, Sanajeh indicus, discovered in India, may have preyed on baby dinosaurs during the Late Cretaceous ...

In National Geographic's inaugural edition of the Stones & Bones newsletter, we travel to the far reaches of Argentina to ...

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

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 ...

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

Why does such a big and powerful dinosaur like the T. rex have such tiny forearms, in a new study scientists believe they ...

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

That resulted in a detailed family tree of all placental mammals — with different traits on different branches, mapping how they changed over time — and their earliest ancestor at the top. "This was ...

Discover how the Pulaosaurus qinglong fossil suggests that some dinosaurs, including this tiny herbivore, may have shared ...

A massive new dinosaur discovered in Thailand may have been one of the last giant sauropods to roam Southeast Asia. The ...