Yellowstone's supervolcano appears to have a magma cap that vents pressure and reduces the chances of a massive eruption ...

A new study shows a volcanic eruption of Yellowstone may be even less likely than we thought: Scientists have discovered a ...

A recent study discovered the exact location of the Yellowstone supervolcano's magma cap -- and hints at when it may erupt.

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

Cloudy weather has rendered Alaska Volcano Observatory planes, helicopters and satellites useless for data collection since ...

Coffin carried out as funeral of Pope Francis begins ...

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A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

Astronomers discovered a planet that orbits its star so closely that its surface is being scorched into magma and vaporizing ...

One of the world’s most closely monitored volcanic systems lies beneath Yellowstone National Park’s bubbling geysers and ...