The boiling magma rumbling and rising within Mount St. Helens isn't the only thing scientists fear. When large volcanoes erupt they can unleash an awesome arsenal of natural weapons, devastating ...

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If you’re landing in Antigua and thinking, “I should probably hike a volcano while I’m here,” Pacaya is usually the move. It’s active, it’s relatively accessible, it doesn’t require suffering through ...

The relentless power and enduring beauty of volcanoes remain on full display on the island of Hawaii day and night. Always unpredictable, the Kilauea volcano – one of the world’s most active – ...

Climate researchers have shown that big volcanic eruptions over the past 450 years have temporarily cooled weather in the tropics–but suggest that such effects may have been masked in the 20th century ...

The Pacific Northwest: The name implies that the ocean defines this region. And we’re not here to argue that a gazillion tons of seawater is irrelevant. But—no disrespect to Poseidon—when it comes to ...

We're seeing more awesome images as Hawaii's Kilauea volcano continues to erupt. At times, it's shooting lava as high as 1,000 feet!