The single longest linear feature on Earth--the "Ring of Fire" circles almost the entire Pacific. It is a ring of active volcanoes from White Island just north of New Zealand.

A couple of birds try their best to protect their eggs from a volcanic eruption.

There is an old saying: “Live every day like it’s your last.” We live in an unpredictable world and are threatened by everything from nuclear fallout to heart disease. But how many of us really live each day as if we’ll never get another?

Investigate one of the most powerful volcanic eruptions in recorded history.

On May 18, 1980, the Mount St. Helens became the largest and most destructive volcanic eruption in U.S. history. By the end of its cycle of fire and fury, 57 people had died.

There are 50 active volcanoes in Alaska, two of which blow their tops every year. But nothing compares to the 15 cubic kilometers of magma that spewed from this volcano in 1912.

A precarious glacier in the crater of Mount St. Helens grows at an unprecedented rate, posing potential danger to the valley below. A group of adventurous researchers visits the crater to investigate and gets a rare up-close look at the odd co-existence o...

When Mount Vesuvius erupted on August 24 in the year 79 A.D., it happened so quickly that the people of Pompeii and the surrounding areas had no time to escape. The volcano spewed out clouds of ash, burying terrified residents and preserving their last mo...

From late 535 AD to 536, written records from across the world suggest a huge climate catastrophe. Dubbed the year "without a summer", the sun was completely dimmed and shadows were invisible even at noon. The cause of of the "worst year to be alive in hi...