A deep-sea exploration off the coast of Hawaii has revealed a striking natural formation on the Pacific seafloor that’s left ...

An odd-looking cloud formation over Mount Rainier drew curious eyes from social media users Wednesday as the volcano looked as if it was giving a warning before some sort of event, but experts quickly ...

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 ...

These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

Scientists found the massive underwater mountain off Canada’s Pacific coast, rising 3,600 feet above the seafloor.

Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.

Hawaiian Volcano Observatory and National Weather Service staff rapidly deployed local seismic sensors in the Manuʻa and ...

Iceland is bracing for a volcanic eruption, as thousands of small earthquakes have shaken the southern part of the Reykjanes peninsula since October. The earthquakes were caused by a huge amount of ...

An underwater volcano 300 miles off the coast of Oregon is displaying signs of a potential eruption, University of Washington (UW) researchers found. The volcano, Axial Seamount, is more than 4,900 ...