"The calf swam across the river and, thinking the wolves were gone, decided to swim back. Unfortunately, 3 wolves were ...

The reintroduction of wolves to Yellowstone has been hailed as a success by many biologists, but others claim the effects are a bit more nuanced.

A “brave” little elk calf sprinted to safety — with a pack of wolves close on its heels in Yellowstone National Park, ...

Discover how Wolf 907, a legendary Yellowstone alpha female, helped transform the park’s ecosystem and cemented her legacy amid remarkable challenges.

The wolf population in Yellowstone National Park has rebounded somewhat following a reduction in 2021-22 when hunters killed 25 animals that primarily lived inside the refuge where hunting is banned.

Wolf 907F recently gave birth to her 10th litter of pups, which researchers say is likely a Yellowstone National Park record.

A dog was seen jumping out of a car window and chasing a wolf in Yellowstone Friday. A tour guide captured photographs of the chase.

Wolf 907 in Yellowstone National Park is well into her golden years. That hasn’t stopped her from giving birth to another litter of pups, her tenth in fact.

The wolves of Yellowstone are one of the only nonexploited wolf populations in the world, meaning they cannot be hunted or trapped by people – at least within the boundaries of the park.

Yellowstone's oldest wolf made headlines last month when the 11-year-old wolf did something that hasn't been done before - she gave birth to her tenth litter of pups! Keith Merrill of National ...