Aspen trees have seen better days, but gray wolves are helping them out. Yellowstone National Park isn't just home to geysers ...

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

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

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

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

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 ...

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

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State ...

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

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