Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

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 ...

The most volcanic world in our solar system has sprouted a new volcano. And its lava flows are enormous. Jupiter's molten moon Io has been surveyed by a number of passing spacecraft, allowing ...

A volcano in the Pacific Ocean is making headlines as it shows signs of forming a new island. This geological phenomenon provides a unique opportunity for scientists to observe island formation in ...

The Hawaiian volcano Mt. Kilauea just started to erupt at 11:06 a.m. Eastern Time. The U.S. Geological Survey says it’s a vigorous eruption that is getting visual very quickly. Here is the live camera ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. It ...

Bougainville Island in Papua New Guinea hosts three large volcanoes along its mountainous middle: Mount Balbi, Mount Bagana, and the Mount Takuan volcanic complex. Of these, only Mount Bagana is ...

And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the ...

Jupiter's moon Io, a world teeming with volcanoes. The most volcanic world in our solar system has sprouted a new volcano. And its lava flows are enormous. Jupiter's molten moon Io has been surveyed ...