So what was the speediest dinosaur? "The fastest dinosaur was likely an Ornithomimosauria," Susannah Maidment, a paleontologist at the Natural History Museum in London, told Live Science.

Dinosaurs left behind clues about their maximum speeds, but do we know which dinosaur was the fastest?

What was the typical life span of a dinosaur? It depends on the size and species, of course.

The long-necked plant eater was the biggest guy around at the time, at almost 30 feet long, and new research suggests it grew faster than all other known dinosaurs and living birds.

Think You Could Outrun a T. rex? Here's How Fast Dinosaur Predators Ran In the Age of Dinosaurs, survival often came down to endurance rather than speed. Find out who the fastest dinosaurs would have ...

Last week I asked you submit your favorite atrocious roadside dinosaurs. While the sculptures along the main drag of Dinosaur, Colorado come close to the top of the list, my vote last week went to ...

This dinosaur could sprint at speeds as swift as the world’s fastest human. Theropods were carnivorous dinosaurs that ran on two legs. Their feet had three toes with sharp claws, similar to some ...

About 100 million years ago in what is now northern Spain, two bipedal dinosaurs reached running speeds of up to 45 kilometres per hour, making them among the fastest known dinosaurs. The ...

Interestingly, the fastest of the two tracks at La Torre is also the set of prints that indicates a "maneuvering dinosaur," suggesting a particularly agile and speedy animal.

Paleontologists in Spain have discovered the footprints of a fast 15-foot-long dinosaur that could've reached a top speed of 28 miles per hour.

Paleontologists have unearthed the remains of a gigantic birdlike dinosaur, 3.5 meters tall, that lived 70 million years ago in what is now China.