Athletes can reach speeds of up to 96 miles per hour, according to our analysis, which is faster than a cheetah.

Meeting and petting a gorgeous one-year-old cheetah. The fastest animal on the planet can reach speeds up to 70 mph!

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

Learn how Miocene fossils from the Mojave Desert reveal that pronghorn running adaptations developed long before high-speed cheetahs appeared in North America.

A cheetah robot funded by the U.S. military has broken the land speed record while running on a lab treadmill. Its robotic display of athleticism gives hope for new battlefield robots that could prove ...