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 ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Social media videos showed people running into the streets as bright orange flames and smoke spewed into the sky.

Guatemala's Volcano of Fire is erupting, prompting authorities to evacuate nearly 300 families and warn that an additional 30,000 people in the area could be at risk. The eruption of "Volcan de Fuego" ...

POPOCATÉPETL VOLCANO, Mexico -- In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions ...

GUATEMALA CITY, June 6 (Reuters) - Guatemala's Fuego volcano shot ash miles into the air on Friday as authorities said they had evacuated more than 700 people from their homes as a precaution, before ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also collapse sideways, with their sides, or flanks, collapsing. Such a collapse ...