No way," said Lily Rutledge-Ellison, after her cat Wesley discovered ... who appeared to be looking for shade, from under the deck. Officials estimate the female mountain lion is about 2½ years ...

Earlier this year, I came across a striking image of a lion undergoing a Computerized Axial Tomography scan (or CAT scan). I tweeted out the image, and it got over 2,000 retweets. People were ...

A mountain lion's scientific name, Puma concolor, means cat of one color ... While felines and canines often look very different, under the cover of darkness it can be harder to tell them apart.