A new study challenges a site that's crucial to our understanding of how people got to the Americas. Decades ago, a site in Chile called Monte Verde was dated to about 14,500 years ago. That put ...

Researchers revisited the 1970s discovery of ancient stone tools at Monte Verde—an iconic site in Chile that transformed our understanding of how and when humans arrived in the Americas.

Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

Science museums near San Francisco are the answer when going to the park or the zoo won’t do. From hands-on activities to immersive exhibitions and guided tours, these SF science museums have ...

Sleep is critical for all sorts of reasons, but a team of international scientists has discovered a new incentive for getting eight hours of sleep every night: it helps the brain to store and learn a ...