Katie Mast is an editorial intern at High Country News. Image of pronghorn on grassland courtesy Stewart Baird via Flickr. Image of pronghorn running courtesy Tony Morris via Flickr.

More than 50 runners are signed up to participate in the Pronghorn Pursuit Trail Run in Dillon on Saturday.The race includes a 1-mile fun run/walk, 5k trail ru ...

All except the pronghorn have gone extinct. The pronghorn is the fastest land mammal in the Western Hemisphere and is capable of running speeds up to 55 mph for short distances.

Pronghorn can run at 30 mph indefinitely with top speeds pushing 60 mph, making the species the fastest land mammal in North America. While their sprinting may be Olympic-medal-worthy, their ability ...

That whole scenario would probably look a lot like this video, which was posted to YouTube in December and shows a herd of pronghorn running alongside Highway 41 in Montana.

Wildlife conservationists in the United States and Mexico can now track the peninsular pronghorn for the first time.

In American Pronghorn: Social Adaptations and the Ghosts of Predators Past, Dr. Byers argues that the pronghorn perfected its running prowess well over 10,000 years ago when the North American ...

How do the animals do it? Seeking to solve the riddle of pronghorn speed, biologist Stan Lindstedt bottle-raised pronghorn fawns and taught them to run on a treadmill.

The logic is simple – fast predator, faster prey. The problem is that visions of false cheetahs running down pronghorn are based on the appearance of speed rather than hard evidence.