Dinosaurs ruled the Earth for over 150 million years. Compared to the mere 4–6 million years that scientists believe humans ...

Learn why some dinosaurs had air sacs in their vertebrae and how it relates to modern day birds.

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of ...

The Jurassic Period lasted from about 201.3 to 145 million years ago. Evolution moved incredibly fast then, as did the ...

"The fastest dinosaur was likely an Ornithomimosauria," Susannah Maidment, a paleontologist at the Natural History Museum in ...

Fossilised remains of newly identified dinosaur species and mammal suggest they were both predator and quarry to each other.

A shared shape rule, the power cascade, governs most bird beak growth. It links modern birds with extinct dinosaurs.

"The fastest dinosaur was likely an Ornithomimosauria ... were fast moving also because the biggest threat to being a small theropod is probably a big theropod, because you are, after all ...

But some dinosaurs (like the emu-like dinosaur Ornithomimus edmontonicus) did not have any teeth at all and instead had beaks. In theropods, the group of dinosaurs that T. rex belonged to ...