Wolves are helping Yellowstone’s aspen trees grow tall again after decades of overgrazing.

The United States' national parks have an inherent contradiction. The federal law that created the National Park Service says ...

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis suggests.

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis ...

Discover how wolves are playing a surprising role in restoring the ecosystem of Yellowstone, bringing new life to the park.

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis ...

The reintroduction of large carnivores has initiated a recovery process that had been shut down for decades,” says Painter in a statement.

For the first time since the 1940s, new aspens have joined the forest canopy in Yellowstone National Park. Researchers say ...

Aspen trees are thriving again in Yellowstone for the first time in 80 years, thanks to wolves reintroduced in the 1990s that helped control elk herds.

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

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

For the first time in 80 years, aspen trees are thriving in Yellowstone National Park in the US, due mostly to the ...