A Stanford study reveals that even a single visiting mountain lion can dramatically reshape ecosystems in small preserves.

Wildlife authorities were on the trails in the Golden area Saturday after a mountain lion was spotted by a hiker with a dog ...

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

Two teens who survived their car rolling over over a dozen times down Butterfield Canyon on Friday are sharing their rescue ...

Colorado Parks and Wildlife tell me they've killed 2 mountain lions in this area, and they're testing both of them for human DNA. I've never even seen *** mountain lion myself, and I'm out here all ...

A Stanford-led study found that mountain lion activity at Jasper Ridge Biological Preserve changed deer behaviour, helped ...

The mountain lion was spotted at Del Mar Boulevard and Euclid Avenue, resting in the shade next to an apartment building.

Editor’s note: this article has been changed to accurately reflect the area in which the Colorado Parks & Wildlife received reports of mountain lions the past two years. Taulere and Arrone Appel were ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Two mountain lion cubs found orphaned and malnourished in March have ...

Mountain lions risk everything to hunt elk, prey more than twice their size. After ten years of monitoring mountain lions in Montana, this crew has captured this behavior on camera only four times.

In March, two brothers out on a hike in the Sierra Nevada foothills of California were attacked by a mountain lion. One died, ...