The Pacific Ring of Fire is a horseshoe-shaped belt of volcanoes known for explosive eruptions and intense earthquakes.

Volcanoes are exciting and seeing molten lava is a thrill. To see active volcanoes, head to a U.S. National Park that ...

The Uturuncu volcano in Bolivia, believed to be extinct for 250,000 years, shows internal signs of activity that surprise scientists.

Around 800 million years ago, during the Tonian period, the Yangtze Block in South China experienced significant tectonic ...

The power of such eruptions is measured using the Volcanic Explosivity Index (VEI), which is a scale that goes from one to ...

Volcanoes are a powerful force of nature. There are about 1500 active volcanoes on our planet right now. A volcano is an opening in the Earth's crust that allows lava and other volcanic matter to ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.

The latest image, captured on May 2, focuses on Arsia Mons, which is roughly twice as tall as Earth's largest volcano, Hawaii's Mauna Loa, which rises 6 miles above the seafloor.