A new study found that subtle differences in an animal’s behavior by midlife can predict how long it is likely to live.

Biomedical engineers at Duke University have developed a 3D imaging method to precisely map and categorize the social behavior of animals. By quantitatively measuring the movements, interactions, and ...

In 1974, philosopher Thomas Nagel posed a deceptively simple question: "What is it like to be a bat?" His point wasn't really ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

By midlife, an animal's everyday behaviors can signal how long it is likely to live. That is the striking conclusion of a new ...

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 ...

A friend of mine recently sent me a beautiful and moving photo essay published by Isa Leshko capturing the "beauty and dignity of elderly animals" "in their winter years". As I looked at each of the ...