One of the most active volcanos on Earth is erupting on Hawaii's Big Island. Officials with the U.S. Geological Survey confirmed Wednesday that an eruption has begun in Kilauea volcano's Halemaumau ...

Olympus Mons, a shield volcano on Mars, is the largest volcano in the solar system, measuring approximately 370 miles in diameter and 26 kilometers in height. The formation of Olympus Mons and three ...

Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the type called a stratovolcano. These steep volcanoes sometimes erupt explosively and other times have calmer lava ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...

Rice farmers living in Sidoarjo Regency, Indonesia, awoke to a strange sight on May 29, 2006. The ground had ruptured overnight and was spewing out steam. In the following weeks, water, boiling-hot ...

A “fascinating” eruption is approaching as a sleeping giant underwater volcano stirs with seismic activity near America’s west coast. The seismic activity of Axial Seamount, a submerged volcano ...