A volcano in Alaska that last erupted in 1867 is displaying signs of rumbling. Located roughly 140 miles southwest of Anchorage, Iliamna has been dormant for over a century. But on June 15, the Alaska ...

Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

For centuries, glaciers have sat like frosty crowns atop slumbering volcanoes, keeping Earth’s fury tucked safely beneath ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

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

A volcanic eruption sank Aenaria nearly 2,000 years ago. Now, underwater tours and ongoing excavations are bringing Ischia's ...

Climate change could potentially awaken hundreds of dormant volcanoes worldwide, according to recent models studying ...

Thinking about moving to Hawaii? Then you'll want to consider this picturesque Oahu town tucked between lush green mountains, ...

Scientists found a rock in Africa that originally came from the Moon after being knocked off by an asteroid impact and ...

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

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