Climbing Cinder Cone is a steep, slow slog but worth every step. Waiting at the top of the 6,907-foot volcano are a sense of accomplishment and amazing views. A trail circles the rim, providing ...

Volcanic cones are among the simplest volcano formations. They are built by fragments (called ejecta) thrown up (ejected) from a volcanic vent, piling up around the vent in the shape of a cone with a ...

Volcanoes repeatedly remind people of Earth's potential for violence. Since 1700, volcanic eruptions have killed more than 250,000 people and devastated scores of communities. What causes these ...

Video shows dangerously close footage of the very active Klyuchevskoy volcano in Siberia. A group of climbers braved the active volcano and captured mesmerizing video of a new cinder core. Cinder ...

Video shows dangerously close footage of the very active Klyuchevskoy volcano in Siberia. A group of climbers braved the active volcano and captured mesmerizing video of a new cinder core. Cinder ...