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 ...

Ranchers in Teller County are expressing concern after a gray wolf was spotted for the first time in the county.

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

Two rare black wolves, likely siblings, were spotted on camera crossing a stream in a Polish forest, a conservation organization said Sunday.

Hollywood legend Kevin Costner returns to Fox Nation for a new limited series, "Yellowstone to Yosemite," feeding off the ...

A wildlife conservation group in Poland was conducting research on beavers when they spotted two rare black wolves on video footage captured in a forest last year.

Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter, and wolves and grizzly bears during ...

Late in the day, all of our searching and listening had finally paid off. Up on a low rolling, snow covered ridge, just out of sight, a pack of wolves had made a kill earlier in the day. What the ...