These animals have highly unusual diets, evolving to consume anything from toxic plants to venomous arachnids.

A study of wild African herbivores offers new insight into how environmental conditions—not just diet and anatomy—can ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

“I only eat meat or fermented foods,” the health secretary told USA TODAY's Extremely Normal show. Here's what experts say ...