As it nears its 100th birthday, Cheyenne Mountain Zoo is unveiling a massive giraffe-focused upgrade funded entirely by ...

For months, a black mixed-breed dog had roamed through Lake Wynonah and the surrounding countryside, eluding those who were trying to help him. It wasn’t clear where the dog had come from, but many ...

Stretching across 415 square miles of Colorado’s high country, Rocky Mountain National Park is one of America’s most spectacular wild spaces. Its peaks climb to over 14,000 feet, sheltering alpine ...

DALY CITY, Calif. (KGO) -- A Daly City household had quite a wake up call Tuesday morning just after 5 a.m. when it was discovered a mountain lion was hanging out in the backyard. The resident of an ...

A new study conducted over 44 years in Alaska has revealed that avalanches can cause major declines in mountain goat populations -- declines which can take the goats generation to recover from.

To ensure the long-term survival of mountain lions, the California Fish and Game Commission is slated to vote to list the ...

Add Yahoo as a preferred source to see more of our stories on Google. A majestic American bison stands on a rocky hill at sunrise, its breath steaming in the cold air as it looks toward the camera.© A ...

A mountain lion in Lewiston was euthanized due to public safety concerns after being spotted on a college campus.

SAN FRANCISCO (AP) — A 77-pound mountain lion set off a scramble Tuesday as it wandered through San Francisco’s wealthy Pacific Heights neighborhood before finally being captured as onlookers safely ...