ANCIENT humans lived in lava tubes inside cave systems around 7,000 years ago, according to a new study. The lava tube in question is called Umm Jirsan and is located in Saudi Arabia. A new study a… ...

Archaeologists in Saudi Arabia have discovered rare ancient rock art at the entrance to a remote desert lava tube—a cave formed by flowing lava. Located in the volcanic field of Harrat Khaybar ...

In the Harrat Khaybar lava field, about 78 miles (125 kilometers) to the north of Medina in Saudi Arabia is a tunnel system called Umm Jirsan, the longest in the region.

In another tunnel near Umm Jirsan, the researchers found 16 panels of engraved rock art. The carvings appeared to be herding scenes, with tool-wearing, stick-figure humans standing alongside ...

In this lava tube, named Umm Jirsan and the first in Saudi Arabia to be excavated, they uncovered stone tool fragments, animal remains and human bones, the oldest of which were close to 7,000 ...

Mathew Stewart at Griffith University in Brisbane, Australia, and his colleagues excavated a trench inside Umm Jirsan. At 1.5 kilometres in length, it is the biggest lava tube in Saudi Arabia. The ...