A 1997 U.S. Geological Survey study found that many sinkholes in the Hurricane area result from groundwater erosion causing ...

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

Millions of years ago, our early ancestors roamed an area of Africa known as the Cradle of Mankind, scouring the landscape in ...

The moon may still be geologically active, judging from the way the lunar far side is wrinkling as the moon contracts. At ...

Beaches around the world come in many colors, from the familiar golden and white sands to rarer hues like pink, red, and even green. However, one of the most striking variations is black sand beaches, ...

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 ...

When this pressure is released, for example as a result of plate movement, magma shoots to the surface causing a volcanic eruption. Above the ground the liquid rock is called lava and as it cools ...

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

Researchers from the University of Oregon and other institutions have identified an aquifer—a layer of water-saturated rock or sediment—beneath volcanic rocks at the crest of the central ...