Archaeologists gathered evidence of lava tubes beneath the grounds of Saudi Arabia which served as a respite for herders and livestock. New evidence showed that, from the Stone Age to the Bronze ...

Expansive lava flows in the Sáttítla Highlands was captured by satellites ahead of the recent designation of the area as a national monument.

If these lava tubes are anything like Earth's, they could be the perfect place for astronauts to hunker down during their stay on Mars. "There's more than one of these [pits] on Mars that we've ...

A Hawaiian volcano looks like a scene from "The Lord of the Rings" as it spews lava this week. A United States Geological ...