3D models of Australopithecus afarensis hint at the muscular adaptations that made modern humans better runners

The moon may have melted 4.35 billion years ago—explaining a lunar age mystery

As the bird flu virus moved into cows and people, sluggish federal action, deference to industry and neglect for worker safety put the country at risk

Early cultural exposure can influence kids’ ideas about gender and STEM in significant ways

Learn which molecules are responsible for giving Christmas trees their distinct, crisp-yet-spicy scent