Underwater volcanoes are powerful geological forces shaping our planet and oceans. These hidden giants form through tectonic ...

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 ...

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 ...

Some volcanoes, called stratovolcanoes, sometimes erupt explosively and other times have calmer lava flows that just spill out on the surface. A shield volcano is very different and is built almost ...