Frequent earthquakes 300 miles off the coast of Oregon signal escalation for the underwater volcano named Axial Seamount.

This 2022 satellite photo shows the summit of "one of the world's most dangerous volcanoes," Mount Vesuvius, peering up ...

Axial Seamount, one of the most active volcanoes in the Pacific, is showing clear signs of an impending eruption.

Lava flows come in a great variety of shapes and sizes. Nyiragongo is considered one of the most dangerous volcanoes in the world because of its particularly fast-moving lava, which can flow more ...

Increased volcanic activity in Greece’s famed tourist hotspot of Santorini has prompted the country’s civil protection minister to call a meeting with local and disaster response officials. In an ...

MUNISING, MI - It’s a winter scene unique to this part of Northern Michigan: water plunges over a nearly 50-foot sandstone cliff into a circular vortex, in the shape of an ice volcano.

Alaska officials are preparing to hold a lease sale for geothermal exploration rights at Augustine Volcano, a 4,133-foot peak that forms its own cone-shaped island in the southern part of Cook Inlet.