An Australian woman lost an arm after being attacked by a lion at a zoo. Joanne Cabban, a 50-year-old school teacher, was at ...

Video shows a California woman coming face-to-face with a mountain lion during a hike. NBC News' Marissa Parra has more on ...

It’s extremely rare for cougars (also called mountain lions) to attack humans — but it has happened. And now, after a ...