Yellowstone scientists are using some intriguing methods to investigate mountain lions in the facility. They are dosing the creatures with ketamine and then bringing them down with harnesses, ...

Three orphaned mountain lion cubs are currently being housed at the Yellowstone Wildlife Sanctuary in Red Lodge. Their mother was hit and killed by a car in Wyoming a few weeks ago. But unfortunately, ...

Big cats have a big impact. A long-term study showed that when mountain lions began regular visits to a small suburban preserve about 45 miles (72 kilometers) south of San Francisco, they changed the ...

When we read about wild animals roaming through the wilderness, our minds usually drift toward vast, untamed national parks.

Many Californians will see bobcat or mountain lion in their neighborhood at some point. Here's how to tell them apart.