Animals often get labeled as either predators or prey. But in the wild, survival isn’t always a one-animal job. Some species form partnerships that help them find food, avoid danger, or raise young.

A species of small rodents found across the Great Plains is working as nature's landscaper, creating underground networks that support about 170 different animals while helping grasslands thrive, ...

A new study suggests chimpanzees don't just perform self-care—in some cases, they look out for each other. Elodie Freymann Chimpanzees use medicinal plants to perform first aid on others, according to ...

Superb starlings help care for the offspring of birds they are not related to. “To me, that sounds like friendship,” one scientist said. By Asher Elbein True friends, most people would agree, are ...