Rolling sand dunes in the expansive Rub’ al Khali desert on the southern Arabian Peninsula are pictured in this image from the Sentinel-2A satellite. Also known at the ‘Empty Quarter’, the Rub’ al ...
June 15 (UPI) --An image shared by NASA this week features a rare sight, rain puddles in Rub' al-Khali, the world's largest contiguous sand desert. At the end of May, the tropical cyclone Mekunu ...