BILLINGS – The picturesque Lamar Valley in Yellowstone National Park is a stronghold for wild bison. Spread out across the verdant grasslands, the animals allow visitors from around the world to ...

CORVALLIS, Ore. (KTVZ) – In northern Yellowstone National Park, saplings of quaking aspen, an ecologically important tree in the American West, are being broken by a historically large bison herd, ...

Editor’s note: This is the third installment in a series of profiles focusing on the participants in the Writ Large storytelling event. This series will focus on those that make the Roaring Fork ...

Oregon State University researchers have documented the first new generation of overstory aspen trees in Yellowstone’s northern range in 80 years, three decades after wolves were reintroduced to the ...

Aspen (Populus tremula) is an important keystone species. Only a small percentage of the trees in Finnish forests are aspens, and actual aspen stands are even rarer. Aspens nevertheless host more than ...

In the Wasatch Mountains of Utah, a remarkable organism known as Pando stands as the largest living organism on Earth by mass. This colossal stand of genetically identical quaking aspen trees, which ...

image: A bison bull breaking aspen saplings and eating aspen in the Lamar Valley in northern Yellowstone National Park. Overstory aspen trees have died and fallen to the ground as seen in the photo, ...