Q How do volcanoes form, and how did the volcano of Pompeii show up? — Andrew Vigliotta, Mount Horeb, Wis. A Clifford Thurber, professor of geophysics at the University of Wisconsin-Madison: Some ...

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 ...

Researchers traced tremor signals deep inside Tanzania’s Oldoinyo Lengai volcano, pinpointing their 3D locations for the ...

Scientists have long wondered how volcanoes formed in central Anatolia despite being far from tectonic plate borders—now they've found evidence of a hot plume of magma flowing from East Africa. Riders ...

The Cumbre Vieja volcano, located on the island of La Palma within the Canary Islands of Spain, has been erupting since September. Scientists from around the world are flying into La Palma so they can ...

Locals along Lake Michigan are buzzing with excitement after the National Weather Service's Grand Rapids hub tweeted a photo of cones of ice along Oval Beach that were spewing chunks of ice and water ...

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 ...