Researchers believe rainfall and flooding changed the landscape of the arid desert to a green area some 8,000 years ago.

An area logistically more dangerous to cross than Antarctica, given that helicopters cannot operate over significant ...

The Empty Quarter (Rub’ al-Khali), the vast desert of the Arabian Peninsula, was not always an arid landscape. A recent study by the University of Geneva (UNIGE), King Abdullah University of Science ...

barren desert,” Michael Petraglia, a researcher on the study, said in the press release. “This is confirmed by abundant archaeological evidence found in the Empty Quarter and along its ancient ...

The Empty Quarter, or Rub' al-Khali in Arabic, is one of the world's largest deserts. Spanning nearly 650,000 square kilometers -- mainly in Saudi Arabia -- it dominates the Arabian Peninsula ...