IF YOU'VE ever watched your cat stare intensely out the window at a bird, making that peculiar "ek-ek-ek" chattering sound ...

A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.

When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...

Here are 10 major findings about human ancestors and our close ancient relatives that scientists announced in 2025. A handful ...

Scientists have reconstructed the head of an ancient human relative from 1.5 million year-old fossilized bones and teeth. But ...

The human brain is a fascinating and complex organ that supports numerous sophisticated behaviors and abilities that are ...

In paleoanthropology, a rare, nearly-complete skeleton can rewrite entire chapters of the human origin story. The “Little ...

From baby teeth to ‘conveyor belt’ molars, here’s why humans—and other mammals –grow and replace their teeth in such ...