Desert Rub’ Al-Khali Is the Largest “Sand Sea” in the World, but It Was a 138-Foot-Deep Thriving Lake 8,000 Years Ago Earth ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

Rub’ al-Khali is the largest “sand sea” in the world ... and pastoral groups into what is now a dry, barren desert,” Michael Petraglia, a researcher on the study, said in the press ...

The Namib Desert, which runs along the Atlantic Ocean, is more than just a stretch of barren land. A few years ago, archaeologists in Namibia discovered a 500-year-old Portuguese shipwreck from ...