Wildland fires have been a part of the Rocky Mountain ecosystems for millions of years, resulting from lightning strikes, volcanic eruptions, and spontaneous combustion. The plants and animals evolved ...

A scenic aerial view of the Anaga Mountains in Tenerife, part of the Canary Islands, Spain. This rugged volcanic range meets ...

Selecting appropriate gear is crucial for mountain biking on volcanic trails. A sturdy bike with good suspension is essential to handle the rough terrain. Protective gear like helmets, gloves, and ...

U.S. Geological Survey volcanologist Seth Burgess overlooks Clear Lake and Mount Konocti, the largest peak in the Clear Lake ...

On the morning of May 18, 1980, the most destructive volcanic eruption in United States history killed 57 people in ...

The National Weather Service of Portland issued a response regarding reports of volcanic ash coming from Mount St. Helens on ...

The US Geological Survey (USGS) has just installed some of the first sensors of their kind on the east side of the mountain.

Commercial pilots reported seeing ash in the vicinity of the mountain, the site of the infamous eruption of May 18, 1980, ...

Commercial pilots flying near Mount St. Helens reported a plume of fine ash rising over the volcano. USGS says it's a ...

Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky haze that obscured its summit.

The fall shoulder season is the ideal time to trek up California's second-highest volcano: There are no crowds, the weather ...

This Portuguese archipelago, comprising nine unique islands, is a world of fantasy-like waterfalls and volcanic craters. US ...