Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in Hawaii and Guatemala that made headlines worldwide in recent months. And ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes are nature's most dramatic rocks, and while their eruptions can be awe-inspiring, they also pose serious threats to ...

When volcanoes are preparing to erupt, scientists rely on typical signs to warn people living nearby: deformation of the ground and earthquakes, caused by underground chambers filling up with magma ...

Indonesia's Mount Merapi volcano spewed avalanches of hot clouds in eruptions overnight Thursday that forced about 250 residents to flee to temporary shelters and left ash blanketing nearby villages ...