If you were rewarded for following a particular pattern of behavior, wouldn't you keep doing it? The answer turns out to be ...

Just because a female olive baboon has mated with a specific male doesn't mean he will be the father of her offspring.

A fully automated 3D tracking framework reveals that sex and familiarity strongly shape natural social gaze dynamics in freely interacting marmosets.

As humans have wondered about their own capacities for thought and imagination, so too have they wondered about the mental ...

Female sperm discrimination that can bias fertilization outcomes has been observed in animals, but in vivo evidence is lacking in large mammals. This ...

Yet new research suggests that both may be partially true. Using data on incidences of mild and lethal aggression in 100 ...

Mild aggression and lethal violence evolved separately, according to research across 100 primate species. The study ...

If you were a starving snake in a barren landscape, your most nutritious available lunch may just be another snake. While cannibalism is an absolute taboo to us humans, it’s remarkably widespread in ...

A new study by York University researchers has found a potential striking flaw in artificial intelligence (AI) models. Artificial neural networks (ANNs), a type of AI model built to solve vision tasks ...

Why the Latest Science Leads Us to a New Theory of Human Nature, by Jonathan Leaf (Bombardier, 320 pp., $21) Ever since Darwin, biologists have believed that much could be learned about human nature ...

Scientists have observed chimpanzees drumming and noted patterns matching the structure of their vocalizations, creating an ...

Project CETI is sharing its findings from studying six hours of footage of a sperm whale birth, which could be one of the ...