Every species perceives the world differently, and the distance at which animals can identify humans varies widely. Some rely on eyesight, others on scent, and many use a combination of senses.

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

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 ...