Why do pigs like to play in mud? -- Trevor J. Thompson, 7, Washington "As happy as a pig in mud" is a phrase some people use to express how much fun someone is having. For instance, at this very ...

Pigs and mud go together like...well, pigs and mud. They're a classic combination. But did you know there's a reason why these animals like to spend their time in the muck? There are actually several, ...

What makes a pig in the mud as happy as … well, a pig in the mud? Mud baths certainly keep pigs cool, a newly published research review finds, but wallowing may also be a sign of well-being in swine.

Humans and pigs aren’t so different; we all like to roll around in the mud once in a while, and we all like to relax with a good game. In the spirit of European laws that require farmers to provide ...