Creel and his colleagues have been researching wild dogs and lions in two Zambian national parks for more than a decade.

Footage shows the black wolf with a mystical quality – as other wolves remain mostly hidden – amid steam at a Yellowstone thermal area.

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Cathy Whitlock, Regents Professor ...

It's not the geothermal geysers, bears, or bison, but this one safety concern in Yellowstone National Park claims more lives ...

Footage shows the normally elusive mountain lions traversing a snow-covered ridge as if out for a Sunday stroll.