Moroccan rocks reveal that Earth’s magnetic field once changed fast but followed a hidden order, helping scientists map ...

A long-dormant volcano has swollen 3.5 inches in 10 months, scientists say—amid concern that it could erupt for the first ...

Etna, Europe's largest active volcano, is monitored closely due to its proximity to the city of Catania and several other ...

Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to ...

Researchers analyzed changes over time in the ratio of small earthquakes to bigger ones beneath Mount Etna and found a strong ...

Lawyers for Utahns challenging the state’s congressional boundaries say there is “jarring irony” in the Legislature’s insistence on the recreation of an independent redistricting commission to aid in ...

Kilauea erupted for the 35th time on Friday night in Hawaii. Video from the U.S. Geological Survey showed lava cascading into ...

A volcano that has been active in recent years erupted again on Hawaii’s Big Island on Friday, according to the U.S.

For decades, the colossal Taftan volcano of eastern Iran appeared a lifeless piece of history. It towered nearly 13,000 feet ...

This view of the lava fountains of Episode 35 of Kīlauea’s ongoing summit eruption is looking from Uēkahuna, the former site of Jaggar Museum. The lava geysers were 1,100 feet and 1,300 feet high, ...

On retirement from public life, Wilmar Eliaser Simandjorang found a quiet place on a hillside overlooking Lake Toba, on the ...

October is finally here, and with it comes more fall foliage reaching its peak throughout the U.S. Each year, as trees begin to store a chemical called chlorophyll, their leaves lose their green ...