As the name suggests, lava stone is actually hardened lava—as in, it was once inside a volcano. Because the natural material has such a unique texture, it often is covered with a gloss or enamel ...

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj volcanic field interspersed with patches of golden sand.

No trip to Central Oregon would be complete without exploring one of the region's defining geological features: the vast expanses of hardened lava that diverted the Deschutes, formed mounds of ...

This is the second time lava flowed into the ocean at Los Guirres beach, where a significant delta formed from hardened lava already resides. Danielle McLaughlin, 28, from County Donegal ...

Over four months in 2018, Kilauea spewed enough lava to fill 320,000 Olympic-sized swimming pools, burying an area more than half the size of Manhattan in up to 24 meters of now-hardened lava.

Over four months in 2018, Kilauea spewed enough lava to fill 320,000 Olympic-sized swimming pools, burying an area more than half the size of Manhattan in up to 80 feet of now-hardened lava.