Scientists have uncovered why two seemingly opposite ways of targeting the same brain receptor can both promote weight loss. In

Scientists have long thought an unusual genetic system helped ants, bees, and wasps evolve their extraordinary social colonies. A massive

A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people

Fossils collected in Osaka more than 30 years ago have revealed a surprise hiding in plain sight: four previously unrecognized