Surveillance cameras captured a mountain lion prowling around the backyard of a Las Vegas residence on April 25. This footage ...

A mountain lion roaming backyards just steps from Boulder Highway in a busy part of the Vegas Valley. The big cat visit was ...

New research on a skeleton of a gladiator that was found in York in 2004 shows the distinctive markings of lion's teeth.

Researchers compared the markings found on an ancient skeleton in England to bones that had been chewed on by cheetahs, lions ...