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

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

The Poás volcano, one of Costa Rica's most popular tourist attractions, erupted suddenly on Monday, arousing the interest of ...

Mount Spurr has begun to stir after decades of silence. This 11,070-foot stratovolcano sits 81 miles west of Anchorage, ...

Livestock face greater dangers. If grazing animals eat volcanic ash, it can damage their teeth, block their intestines and poison them. During the 2010 Eyjafjallajökull eruption in Iceland ...

Livestock face greater dangers. If grazing animals eat volcanic ash, it can damage their teeth, block their intestines and poison them. During the 2010 Eyjafjallajökull eruption in Iceland, farmers ...