Human-wildlife conflict has driven the decline of once-abundant species and is pushing others to the brink of extinction.

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' motives are uncertain, but the sharing behavior could be an attempt at a ...

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 ...