In northern California, rivers feed people, wildlife, and culture. But...

Color showed up in human history long before paintbrushes, fabric,...

Color feels personal, but your brain may be using a...

Malnutrition affects millions of young children. Nearly 150 million children...

A nurse shark caught and released off Costa Rica has...

Archaeologists working in a Guatemalan cave report hundreds of Maya...

Astronomers have caught a nearby stellar duo in a dramatic...

People who develop presbyopia know the daily juggle between reading...

Eels move in ways that seem to ignore the rules...

Healthy eating often feels like a moving target. Advice flips,...

Air pollution is not just about coughing or watery eyes....