Para leer esta historia en español, haga clic aquí. For thousands of years, the glaciers that crown the Cordillera Blanca ...

See it →Desert creature covered in ‘large’ spikes found hiding under rock. It’s a new species ... in the Brahmaputra River drainage, researchers said. People in the region have “long ...

A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

Percolation - The downward movement of water from the soil into the rock beneath. Drainage basin - the area of land drained by a river. Channel - the bed and banks that form the route of the river.