Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian ...

A river starts in the upper course, usually an elevated section of land such as a mountain area. The reason why rivers start here is because mountains receive the highest amounts of rainfall.

A three-minute aerial video aptly captures the uniquely dry and desolate landscape that stretches out along the Thompson River between Kamloops and Cache Creek. The video takes viewers for a gentle ...

I’m starting from the beginning of the river which we call the source, here in the mountains. Rivers often start in upland areas like this, from lakes, marshes and glaciers or even springs that ...

In a drought-hit Mexican border region at the center of growing competition with the United States for water, ...