Hawaii's Kilauea volcano produces significant volcanic gas during the latest eruption. Officials are monitoring air quality ...

On the flanks of Washington State Mount Rainier, a spike in seismic rumbling has revived an old, unsettling question for the Pacific Northwest: what happens when the region’s most dangerous volcano ...

Add Yahoo as a preferred source to see more of our stories on Google. Washington Post On the slopes of an Oregon volcano, engineers are building the hottest geothermal power plant on Earth. The plant ...

Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to nearby communities and global climates. Scientists vigilantly monitor ...

In the 1780s, the volcano rumbled to life with such force that it sent high-speed avalanches of hot rock, gas and ash down its slopes. Those flows quickly melted the snow and ice and mixed with the ...

SPOKANE, Wash. – Experts are worried about the tallest mountain in the Cascade Range, according to National Geographic magazine. The article titled “This May be the Most Dangerous U.S. Volcano,” ...

Here’s what you’ll learn when you read this story: Geothermal energy accounts for only 0.4 percent of the U.S.’s energy output, but by using a technique known as “superhot rocks,” that number could ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...