Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what ...

Towering clouds of ash rise several miles into the atmosphere, where the ash is captured by high-altitude winds that can carry it hundreds or even thousands of miles. As the volcanic ash settles ...

The video shows a huge cloud of ash billowing from Kanlaon volcano, one of the Philippines’ most active. There were no ...

Volcanoes can look like small mountains or hills. A volcano is an opening in the Earth's crust that allows magma, hot ash and gases to escape. Composite volcanoes are the most common type of volcano.

"The sound seemed like a big rock had fallen from a high place, then I looked up and saw the (ash cloud) getting bigger and bigger from the volcano," she told AFP. "When I saw the ash of course I ...

The Poas volcano, one of Costa Rica's most popular tourist attractions, erupted again Wednesday after a sudden eruption ...

Towering clouds of ash rise several miles into the atmosphere, where the ash is captured by high-altitude winds that can carry it hundreds or even thousands of miles. As the volcanic ash settles ...

Footage captured by the Red Sismologica Nacional Universidad de Costa Rica (RSN-UCR)’s live camera shows a thick cloud of ash rising above the volcano on Tuesday morning. “More energetic episodes were ...

Ash clouds are extremely dangerous to aircraft. The glassy ash particles melt when sucked into jet turbines, clog fuel systems and can stall engines in midair. Volcanic ash can also wreak havoc on ...