A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

“It is also possible that an eruption could occur with little or no additional warning,” the Alaska Volcano Observatory ...

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...

Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an eruption, ...

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

The Alaska Volcano Observatory on Wednesday said Mount Spurr is at risk of erupting within the next few weeks or months, potentially impacting residents 78 miles away in the city of Anchorage.

In a remote corner of the U.S., active volcanoes wait patiently above the ridgelines, leaving residents on edge.

THE owners of an island volcano in New Zealand where 22 tourists and local guides died in an eruption had their criminal conviction for failing to keep visitors safe thrown out by a judge yesterday.

Social media users are escalating the long-simmering battle between Washington and Oregon into an all-out roast session, ...

Excavations have found that the brain of what seems to be a human male contained dark glass formed during the eruption of Mount Vesuvius in 79 CE. The effect can't be explained by lava temperatures ...

It was a surprising discovery when scientists examining the remains of a man who died in bed in the ancient city of Herculaneum after Italy's Mount Vesuvius ... turns out the eruption had somehow ...

Lava is erupting from several volcanoes, including one in Hawaii. Nearly 50 volcanic eruptions have been recorded ... Hawaiian Volcano Observatory. And Mount Etna, the tallest volcano in Europe ...