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

The connection between plants and volcanoes might seem bizarre, but it's rooted in the intersection of gases in the ...

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

Yellowstone is home to hundreds of species of birds, fish and mammals, according to the NPS. It is the only national park in ...

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

A federally funded analysis led by Brown University biologists found that different species of large herbivores have diets ...

Prospective visitors to Yellowstone National Park are reminded that the bison rut is underway through August, and to treat ...

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

There's been a lot of people wondering about a possible volcanic eruption at Yellowstone National Park. Let's talk about it.

There’s a new milky blue pool in Yellowstone National Park.

A hydrothermal explosion has created a 13-foot blue water feature in Yellowstone National Park. The explosion appears to have ...