If there’s a hidden world in the solar system, a new telescope should find it

Studies of great apes hint at why and when clowning behavior evolved

A new combo of climate and habitat crises, along with immune system stress, is driving more bat-borne viruses to afflict us

“Engineering” sleeping consciousness could reduce nightmares, treat insomnia—and even induce specific dreams just for fun

The healing potential of the brain’s most interconnected nerve intrigues researchers

For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today