When you picture a group of guinea pigs (Cavia porcellus), they are probably running around, squeaking, playing, chewing, or ...

Sugar gliders are small marsupials that live in Australia and New Guinea. They are also popular exotic pets that are kept ...

From herbivores to fierce predators, discover the truth about what piranhas eat and how their diet varies by species.

Bile duct cancer and its treatments can cause symptoms like nausea, vomiting, and belly pain that destroy your interest in eating — or make anything you do eat come right back up. But getting ...