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 ...

A brutal Arctic blast has turned parts of the Eastern United States into a deep freeze, and along at least one frozen shoreline the cold has sculpted something that looks straight out of science ...

Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

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