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?

The gold medal for the longest dinosaur in the world might go to the aptly named Supersaurus, now that scientists have fixed a fossil mix-up and analyzed new bones excavated from the long-necked ...

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 ...