Images of Gilbert Hill, a black basalt rock structure in Mumbai, India, are described falsely online as an ancient tree stump. The reference relates to a conspiracy theory that the Earth is flat and ...

On the banks of the Columbia River, tall columns of rock poke out from the cliffs. “So you see all of these black rocks that are on either side of us, on either side of the river? Those are basalts.

This video shows Kilt Rock and Mealt Falls on the Isle of Skye, Scotland. A narrow waterfall drops directly from high basalt ...

This video shows the dramatic landscape of Stuðlagil Canyon, Iceland, where a glacial river flows between massive basalt rock formations. The dark volcanic cliffs rise vertically along both sides of ...

TAIPEI (Reuters) - A biodiversity researcher has found a huge basalt rock formation in the Taiwan Strait, resembling a city wall and rivaling similar monoliths on land. The 200 meter-long, 10 ...