The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return ...

They say you're always stronger in numbers, but this wolf pack learned the hard way that that's not always the case.

After a drought of new aspen growth in Yellowstone's northern range, wolves appear to have flipped the script for these ...

Some travelers start from Jackson Hole, Wyoming, to drive the Lower Loop, while others base themselves in West Yellowstone or ...

Wolves in Yellowstone National Park will sometimes test their predation skills on lone adult bison. But there can be painful ...

On the flip side, wolves have been known to hunt down bison, and often need a pack to take down just one of the big beasts. As you might imagine, bison are rather tough creatures and can be quite the ...

A brave elk calf escapes a wolf pack in this nail-biting Yellowstone video. An incredible wildlife moment captured in Yellowstone National Park.

As of 2024, the Greater Yellowstone Ecosystem was home to an estimated 1,030 grizzly bears. Gray wolves were restored in 1995, and as of January, at least 108 live primarily in the park.

Smith is a senior wildlife biologist with the National Park Service. He has been involved with wolves in Yellowstone since their reintroduction in 1995 after a 70-year absence. As project leader, ...

Tourists witnessed an extraordinary scene in Yellowstone National Park on Friday as a German Shepherd leaped from the back of a vehicle to chase a young wolf on the side of a road.

An internationally famous Yellowstone National Park bull elk has died, likely killed by the Canyon wolf pack, which was seen feeding on his carcass. Elk No. 10, the last to wear a yellow ear tag ...