Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

By midlife, an animal's everyday behaviors can signal how long it is likely to live. That is the striking conclusion of a new study in which researchers put scores of short-lived fish under continuous ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or ...

In the video captured on Feb. 26, the great ape runs towards the glass and bangs its hand on it, causing it to crack.

The stereotype of violent chimpanzees and peaceful bonobos may be wrong, according to new research comparing aggression in both apes.

Massive animal groups, from wildebeest herds to fish schools and bird flocks, exhibit remarkable coordinated movement without a leader. These complex behaviors emerge from simple individual ...

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 ...

This stingray gets knocked out cold by an orca tail slap - take a look and read our analysis of orca hunting behavior.

Baja Wild Encounters urges operators and guests to prioritize conservation, safety, and long-term protection over ...

Research reveals that some prairie dog alarm calls encode remarkably specific information about humans and other predators.

Drones flying above the waters of Shetland have captured rare footage of harbor porpoises gathering in unusually large groups and engaging in mating behavior. The footage, gathered between 2019 and ...