Nothing beats the boost of serotonin an adorable pet photo gives. The friendships of these dogs and cats, and their adorable snuggles, will have you smiling.

Does your cat have any tricks that they perform that you get excited about every time they do it? For this adorable cat named Mittens, the trick is standing on her hind legs. When she does it, her ...

Some cats are so gorgeous, they demand attention. They make you stop and take notice, even if it's at their worst moment, or they're doing something mundane. This guy? He's one of those superstars.