An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Supervolcanoes are bigger than you think, and there are more of them than you think. There are, in fact, eight supervolcanoes ...

Yellowstone National Park, known for its stunning landscapes and geothermal features, is sitting atop one of the most ...

The volcano, discovered by locals near the village of Cusco, was not volcanic in the traditional sense, but still posed a ...

Mantle plumes were the implicit link in previous studies relating BLOBS to giant volcanic eruptions. Their shape is a bit ...

Giant, large-scale eruptions can have more serious impacts. One such event contributed to the demise of the dinosaurs 66 ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

In what year was Yellowstone National Park established as the world's first national park? Test your knowledge of Yellowstone National Park! Attempt this GK quiz on its location, wildlife, and facts ...

Hundreds of earthquakes have been detected at Mount Rainier so far Tuesday morning in the largest such swarm at the active stratovolcano since 2009, according to the U.S. Geological Survey.

TSA ends shoe removal at some U.S. airports amid screening tech upgrades, raising questions about the value of its PreCheck ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...