This photography contest highlights the beauty of birds and the ways they connect people across geographies and ecosystems.

Scientists have for the first time located the "mileage clock" inside a brain - by recording the brain activity of running ...

This decline of summer sea ice area has a multitude of effects, from changing local ecosystems to allowing more shipping through the Arctic Ocean. It also enhances global warming, because the loss of ...

Microbes in water are like invisible travelers—and some carry disease with them. Keeping the water that flows through our ...