In two incidents documented in Mexico’s Gulf of California, orcas worked together to blast sunfish into smithereens after ...

A study in mice reveals how pregnancy hormones influence the brain’s reward system, helping explain why newborns become a ...

Wildfire smoke, which is increasing in the Northern Hemisphere as the climate warms, attacks nearly every system in the body.

With fitness culture booming and "no days off" mindsets trending, new research is challenging common assumptions about ...