(CNN) — Here's some background information about volcanoes, mountains that open downward to a reservoir of molten rock. Facts: More than 80% of the Earth's surface, both above and below sea level, is ...

Volcanoes are some of the most powerful natural forces on Earth, capable of reshaping entire regions in a matter of ...

Scientists believe that 34 million years ago, the Guffey Volcanic Center, located in Teller County and near Pikes Peak, was home to a series of stratovolcanoes similar in power and structure to Mount ...

A sign marks the top of Traveler Mountain, the highest point in the Traveler Range and the tallest volcanic mountain in Maine. Credit: Courtesy of Aislinn Sarnacki Standing on the summit, surrounded ...

A new high-resolution simulation of Earth’s interior is reshaping how scientists explain the origin of tens of thousands of ...