Submarine canyons form in places where the seafloor is steepest, redefining how sediments and carbon travel to the depths of ...

The Science Behind River Downcutting The water pressure of a river can cut deep into a riverbed. Sediments from the riverbed ...

About 3.8 billion years ago, two massive canyons likely formed on the moon in a span of less than 10 minutes, according to new research. The extraordinary formations, each comparable in size to ...