Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

This is the moment a group of people noticed the lake aeration system in Anton's Lake in Minnedosa, Canada caused a large air ...

Scientists in Antarctica have dug out ice that can be from as far back as 1.2 million years. NPR's Ayesha Rascoe talks to researcher Carlo Barbante, about what he hopes to learn from the ice.