Heat and humidity. The reason that arid deserts — dry regions covering about 35% of Earth's land — get so hot, and subsequently so cold, is a combination of two key factors: sand and humidity ...

And then it ends up in the desert, a short distance from Al Ain, by percolating back up from the ground. This water's clean. But still, it comes as a shock to some in the desert.

Big Sand Gap is the 300-foot deep notch in low mountains on the southeast edge of the Alvord Desert's dry lake bed. The two-mile hike to the gap from the edge of the playa is through a sandy ...

If you've never heard a sand dune rumble, listen up. Marco Polo in the 13 th Century said the singing sands -- which he ascribed to evil desert spirits -- "at times fill the air with the sounds of ...

Desert hikes abound at Great Sand Dunes National Park and Preserve, at the Colorado National Monument, Mount Garfield, the McInnis Canyons National Conservation Area, and Gunnison Gorge ...

Dig down and you will find the bedrock again, and dried-out clay. That's not to say the areas can't be interesting. Roaming sand dunes can preserve what they bury, including some astonishing ...

When young Saudi Arabian director Moe Alatawi was growing up, cinema was banned in his country. This adds special significance to the fact that on Feb. 15 his first feature, the desert epic ...