Scientists have documented same-sex behavior in many animals. Learn what it means, how it varies, and why human labels can mislead.

Humans have climbed to the top of the food chain by skillfully hunting, trapping, and fishing for other animals at scales that far exceed other predators, altering how the animals behave and earning ...

Some say the oldest known human settlement is Uruk, in modern-day Iraq. Others say Jericho, in Palestine. Wherever it is, it must be the place where synurbization—the process of wildlife adapting to ...

The persistent presence of humans and their infrastructure in U.S. national parks has yielded dramatic changes in the behaviors of large animals who live there, a new study has found. Even during the ...