After a drought of new aspen growth in Yellowstone's northern range, wolves appear to have flipped the script for these ...

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

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

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

These territorial canines, who live and hunt in packs, were reintroduced to the national park 30 years ago. It’s good news ...

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

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

“Wolves are a powerful symbol,” said Michael Saul, the Rockies and Plains program director at Defenders of Wildlife, a conservation group that has backed the reintroduction of wolves to Colorado.

Mike Walchuck was out for a late morning walk on Jan. 21 in Black Mountain - sntsk'il'ntən Regional Park when he encountered a pack of wolves.