The researchers found that same-sex behavior was more common in primate groups with clear hierarchical structures and those ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

What is part of everyday life for humans poses major challenges for other animals. A new international review conducted by ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

A common belief is that compulsive behaviors trap people in a “habit loop” that takes over self-control. New research, however, suggests this explanation may be incomplete. For many years, compulsive ...

Never underestimate the mind of a crow. Members of a family of birds that includes ravens, rooks, magpies, and jays, crows have been known to bend wire into hooks to retrieve food; drop nuts in a road ...

Stress, the body's natural response to different types of challenges and daily problems, is an inherently harmless state ...