Rivers have always been more than just flowing water. They're lifelines, highways, and silent witnesses to humanity's greatest achievements. Throughout history, these liquid arteries have determined ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

When archaeologists study how ancient civilizations traveled, they can use evidence like wagons and stables and roads to understand how goods and people moved on land. But when they want to learn ...

A new Stanford study challenges the decades-old view that the rise of land plants half a billion years ago dramatically changed the shapes of rivers. Rivers generally come in two styles: braided, ...