Generally, the window to run whitewater rafting trips in Colorado is from May to September, from spring to summer and fall.

This 2018 astronaut photo shows a striking section of the Green River as it winds through ... area of raised, mostly desert land that spans across the borders of five states.

Aerial photo shows a section of a new desert highway traversing the Taklimakan Desert over the Tarim River in northwest ... encircled with a sand-blocking green belt stretching 3,046 km, said ...

The swift waters of the Colorado River last week turned from their bed. Flashing in the sun, they poured westward across the desert, through the mountains, came at last into the thirsty streets of ...

On the easternmost outskirts of Cairo, the Egyptian government is building a giant belt of lakes and parks deep in the desert. Creators call it the “Green River” and say that when finished ...

The Dutch engineer wants to transform a huge stretch of inhospitable desert ... carpeted in green, soil erosion has reduced and less sediment flows into the region’s Yellow River, lowering ...