The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

Animals from a variety of species were seen leaving the park in herds, causing fear of an eruption, but were noted as ...

Yellowstone National Park is home to a huge and varied range of animal life but in recent days, many creatures appear to be ...

However, in recent weeks, visitors to the famous park and several social media users have expressed concern following the release of videos showing large groups of animals fleeing the park. Bison, elk ...

Yellowstone visitors are getting so comfortable with approaching wildlife that park officials are asking them to stop. One elk calf and another bison calf were both killed due to human interaction.

Great Migrations: Keeping Yellowstone’s Lifeblood Flowing. Migrating elk, pronghorn, and other wildlife help ensure a healthy ecosystem, but development could threaten their ancient routes.

Yellowstone officials advise against approaching wildlife to take photos. If anyone encounters bison on the park's roads, they should stay inside their vehicles, Newsweek reports.

In 2008, a group of pronghorn passing a small town in Wyoming clambered through a hole in a fence alongside a busy highway, continuing an annual migration across the Greater Yellowstone Ecosystem ...

When budding wildlife photographer Joe Riis first told biologist Hall Sawyer about his plans to photograph the newly discovered longest pronghorn migration in the world, Sawyer was, well, unsure.

The National Parks Conservation Association’s wildlife connectivity program, celebrating its 15th year, is helping the herd make a comeback. After the Yellowstone Park pronghorn herd hit a low of 190 ...

Much of the current research on migration taking place in Wyoming stems, at least in part, from the work of Hall Sawyer, who grew up hunting and fishing in the state and has studied its wildlife ...

When budding wildlife photographer Joe Riis first told biologist Hall Sawyer about his plans to photograph the newly discovered longest pronghorn migration in the world, Sawyer was, well, unsure.