Researchers at the University of Michigan have developed a modular, open-source robot that can ...

Every schoolchild knows that the cheetah is the world’s fastest land animal—70 mph, no sweat. And, as we all know from National Geographic television documentaries, it is speed that makes Acinonyx ...

American pronghorns evolved speed millions of years before cheetahs, helping movement and survival in changing landscapes.

A new study has answered a long-held question about why medium-sized land animals like cheetahs tend to be fastest. There's a discrepancy in the animal kingdom. While many key traits such as strength, ...

The enormous, carnivorous dinosaurs portrayed in Jurassic Park run fast enough to easily chase down humans. But based on a new study out this week in Receive emails about upcoming NOVA programs and ...