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 ...

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 ...

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.

MOSCA, CO - JUNE 20: Hikers Tara Eisenhour, in front, and Jim Smith, in back, make their way towards the top of the dunes at the Great Sand Dunes on June 20, 2019 in Mosca, Colorado.

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 ...

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 ...

Japan’s least populated prefecture is home to the Tottori Sand Dunes, a desert landscape that is now carefully protected by the government.

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 ...