While Hawaii is formed by volcanoes, including the highly active Mt. Kilauea, I want to explore an easier-to-reach region: ...

The subterranean aquifer lurking in the mountains contains three times as much water as Lake Mead at full capacity.

Rising 14,410 feet above sea level, Mount Rainier, the king of the Cascade Range in western Washington, is a striking peak. Guarded by steep valleys and silt-filled rivers, the mighty volcano ...

Some of the most well-known volcanic peaks in the Cascades include Mount Rainier, Mount St. Helens, Mount Hood, and Mount Shasta ... allowed the researchers to map out the volume of the aquifer.

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...

They detected these reservoirs below Mount Rainier, Mount St. Helens, Mount Hood, Newberry Volcano, Crater Lake and Lassen Peak. Three Sisters and Mount Shasta did not show similar patterns ...

Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

Mount Spurr, whose volcanic ash darkened Anchorage’s skies in 1953 and 1992, may be building toward another eruption, according to a statement issued Thursday by the Alaska Volcano Observatory.

After an 18-day dry spell, snowfall returned to Mt. Hood on Friday — and in heavy doses. A Winter Storm Warning in effect for Mt. Hood.

housands of people declined on Thursday a government-led evacuation in North Maluku where a volcano has been spewing smoke and ash, arguing that they are accustomed to the eruptions. Mount Ibu ...

A Portland man died last weekend while hiking the Cooper Spur Trail area of Mount Hood. His body was recovered on Monday.