Right now there’s a tree frozen up in the wilderness outside of Yellowstone National Park with names scrawled into the trunk. The vandals? A survey crew stranded in a snowstorm 132 years ago.

Yellowstone's wolves are helping a new generation of young aspen trees to grow tall and join the forest canopy — the first new generation of such trees in Yellowstone's northern range in 80 years.

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

Editor’s note: This story first appeared in Mountain Journal. YELLOWSTONE NATIONAL PARK — Around Crystal Creek, where the road bridges the Lamar River at the fringe of Yellowstone National Park’s ...

There’s something new in Yellowstone National Park, and it’s hot and corrosive. It’s also “been sneaking up on the park for the last 20 years” and has grown to be the size of four soccer fields, said ...

Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

For outdoor adventure seekers who love the snow, this national park is a winter wonderland, and the best to visit in the coldest months of the year.

"A shocking piece of Yellowstone history has resurfaced, serving as a brutal reminder of the raw power of wildlife. Watch as a close encounter turns into a terrifying flight for one tourist who ...