Bite marks on a 2-million-year-old human jaw suggest leopards once hunted people as prey. People likely survived by learning to team up.

A key ocean current that warms Europe is weakening, which could lead to a big chill. Scientists are now discussing how we ...

Earth has experienced several ice ages. These can emerge almost overnight in films. Although dramatic, that timeline is truly ...

While at Brown University in Providence, R.I., oceanographer Lily Dove studied the physics of Antarctica’s Southern Ocean with the help of some unusual, furry assistants: Antarctic seals. “They’re ...

Meats were important, too. But throughout human evolution, fruits may have fueled much of the brain growth in our primate ...

Mammals are a diverse group of animals. They include about 6,600 known, living species. Many of them, including humans, cats ...

To show how monkeys think about math and shapes, scientists had them play games — including some designed by kids.

The largest solar telescope in the world captured swirling plasma structures on the sun’s surface. Take a look.

As a food supplement, arginine might one day help cut tumor formation and the proliferation of viruses in the body, mouse ...

In both cases, one adult orca held a dead sharp-tail sunfish steady. A second then slammed into it with enough force to smash ...