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 ...

For the first time in 80 years, a new generation of fully-fledged aspen trees has grown in Yellowstone’s northern range.

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

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, ...

Instead, the researchers concluded that the ecosystem had undergone long-term, possibly permanent change nearly 30 years after the removal of wolves. Grasslands remained grasslands. Beavers did ...

Researchers with Colorado State University spent two decades studying the ecosystems in Yellowstone National Park, with the goal of learning whether or not the reintroduction of wolves had any ...

Analysis of 6,000-year-old trees that melted out of a Beartooth Mountain ice patch provide a greater understanding of how current climate change could affect the Greater Yellowstone Ecosystem.

“From purely a scientific perspective,” grizzly bears in the Greater Yellowstone Ecosystem “can handle a well-managed, conservative harvest,” said Frank van Manen, a U.S. Geological Survey ...

Yellowstone Lake’s Unwavering Ice Has Resisted Almost 100 Years Of Climate Change Increasing temperatures have been no bother for the lake’s icy covering – but that might not always be the case.

The changes are particularly pronounced at the high elevation of Yellowstone Lake, where air temperatures increased by about 2.5 degrees Fahrenheit between 1980-2018.