Volcanoes are exciting and seeing molten lava is a thrill. To see active volcanoes, head to a U.S. National Park that ...

Add Yahoo as a preferred source to see more of our stories on Google. Smoke billows from the mouth of Mt. Shasta like a thunderous cough. Within moments, clear skies turn gray, and the sun vanishes ...

While expeditions to active volcanoes come with risks, experts say informed preparation can make the difference.

Add to the long list of global warming concerns that melting ice caps could trigger more volcanic eruptions. Worse, researchers said Monday at a scientific conference in Prague, the increasing ...

A geologist has revealed intriguing insights into the volcanic activity on Mars. He proposes that Mars has significantly more diverse volcanism than previously realized, driven by an early form of ...

Although there are telltale signs that a volcano is likely to erupt in the near future – an uptick in seismic activity, changes in gas emissions, and sudden ground deformation, for example – ...