Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in ...

Learn about the biologists and the cougars involved in the Yellowstone Cougar Project. For over 35 years, a dedicated team of biologists has quietly shaped one of the most enduring and impactful ...

Yellowstone National Park is unlike anywhere else on Earth. Yellowstone National Park is unlike anywhere else on the planet. It's the last intact temperate zone ecosystem on Earth and has a wide ...

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In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that ...

A prominent wolf that lived among Yellowstone's most famous wolf pack is believed to have been illegally shot and killed just outside the park last month, according to wildlife experts. NOTE: The ...

A tourist guide at Yellowstone filmed a wolf chasing after an elk for about 3.5 to 4 miles.

Footage shows part of a wolf-versus-elk pursuit that also has bison taking cover.

Wolves in Yellowstone National Park have experienced a 27% decline in population in 2025.

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