Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.

(Paul Breeze/The Green Arabia Project) (CN) — One of the largest biogeographic barriers on Earth, the Saharo-Arabian Desert currently limits animal ... and turned the arid landscapes into savannahs, ...

The picture shows a cave in the north of Saudi Arabia. The Saharo-Arabian Desert experienced repeated wetter periods over the past eight million years. Wetter conditions favoured the exchange of ...

Images and videos showing the dreamlike landscapes have surfaced on social media, showing how beads of ice covered large swathes of the sandy desert ... The Saudi Arabian meteorology center ...

Even in the cooler winter months the heat in Riyadh, which is surrounded on all sides by the Arabian desert ... early sign ...

The Saharo-Arabian Desert is one of the largest biogeographic barriers on ... It is also known from the Sahara that it repeatedly turned green in the past. A new study published in the journal Nature ...