Wolves culled the elk. Fewer elk means more aspens can grow. More beavers are attracted to the trees. It's called a trophic ...

Nearly three years after major floods devastated portions of Yellowstone National Park, recovery is underway. But climate change and staffing shortfalls bring new threats to the world’s first national ...

In an unexpected discovery, scientists find climate change is yet to alter the ice cover on Yellowstone Lake. However, a tipping point may be coming for North America's largest high-altitude lake ...