The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater.

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon ...

North of the California border, scientists just found 21 trillion gallons of water hiding in the cracks of volcanic rock.

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the Oregon Cascades, scientists have revealed. A hidden reservoir of ...