Volcanoes are one of the most impressive geological features around, but the biggest of them all isn't here on Earth, but ...

While Haleakala hasn't erupted for hundreds of years, that doesn't mean it won't.

The South Pacific blast may have consumed its own methane — but using this idea against the greenhouse gas is controversial.

How big can volcanic eruptions get on Jupiter’s moon, Io? This is what a recent study published in the Journal of Geophysical Research: Planets hopes to address as an international team of scientists ...

Far beneath the ocean near Japan, scientists have discovered that the magma system linked to the most powerful eruption of the Holocene is slowly rebuilding. By using seismic imaging, researchers ...

“It was like a shotgun blast directly into the sky,” said one marine geologist. A New Zealand-led team of marine geologists investigating an underwater volcano that erupted on Jan. 15 in the Tongan ...

(Reuters) - The world's largest active geyser has erupted three times in the past six weeks at Yellowstone National Park, including once this week, in a pattern that is unusual but not at all ...

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor volcanic activity.