Add Yahoo as a preferred source to see more of our stories on Google. On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. This winter saw the most wolves from ...

January 2018 photo released by the National Park Service shows a wolf from the Wapiti Lake pack silhouetted by a nearby hot spring in Yellowstone National Park, Wyo. Park officials say hunters in ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

YELLOWSTONE NATIONAL PARK – Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the young biologist, fresh out of undergrad, was ...

One of the factors that draws tourists towards Yellowstone is the incredible wildlife. Although there have been many instances where people wandered too close to the wildlife, such as with bison, ...

Source: Greystone Books, with permission. Rick McIntyre, who has logged more than 100,000 sightings of Yellowstone's wolves, is a legend―or most people would say the legend―among wolf researchers.