There are pumas, and then there are “gangsta” pumas. This gangsta puma looks like he doesn’t put up with anything from anyone.

Relaxing in a hot tub is usually a carefree experience, but not for this family. A cougar was watching them at really close range.

A young puma saw its reflection in some water in the Guatemalan jungle, and it didn’t like what it saw at all. Watch here.

A rare visitor Voyageurs National Park passed by a trail cam earlier this week. The “big kitty”—a cougar—is a rare sight in Minnesota.

A video showing a cougar with blood-matted fur snarling at a glass door has gone viral. The animal stalked the family after killing their cat.

Twice a year, the Superstition Mountains in Arizona are home to a natural phenomenon, the famous “cougar shadow.”

A wildlife photographer captured a series of moments that beautifully illustrate the bond between a mountain lion cub and its mother.

A trio of field biologists heard some eerie vocalizations. Turns out, it was a mountain lion. Hear what sound a mountain lion makes here.

A mountain lion got stuck in the courtyard of a southern Arizona hospital, and it wasn’t happy to be there. Here’s what happened.

Did a mountain lion attack a 19-year-old dirt biker last week? Officials say it was a house cat, but the teen says no way.