To commemorate the anniversary of Mount St. Helens' eruption, here's a series of photos that captured ... have monitoring up at the volcanoes and to install sensors before unrest so that we ...

The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air. Spectacular ...

ESA Copernicus Sentinel-2C satellite captured breathtaking images of the eruption just minutes after it began.

Scientists have found a way to monitor volcanic carbon dioxide levels — one of the first signs a volcano might be about to ...

Italy's Mount Etna erupted early Monday, causing tourists to flee as it spewed a massive plume of hot volcanic debris into ...

Sicily’s Mount Etna volcano erupted early Monday, sending ash and debris into the sky, according to Italy’s National ...