A hike turned fatal for an American tourist on one of Europe's most closely watched volcanoes. Italian media report the man was struck by lightning Sunday on Mount Etna in Sicily after apparently entering a zone closed to hikers in an attempt to get closer to the summit.

Volcán de Fuego in Guatemala - one of the most volatile volcanoes in the world - has started erupting, with a nationwide 'danger' alert issued

Waves of orange, glowing lava and smoky ash belched and sputtered Monday from the world’s largest active volcano in its first eruption in 38 years, and officials told people living on Hawaii’s Big Island to be ready in the event of a worst-case scenario.

Activity at Guatemala’s Fuego volcano that began Monday morning and caused widespread evacuations is gradually decreasing, authorities said Wednesday. Ho

Erupting or silent, volcanoes have always captured our imagination. As volcanologists, we have seen how that fascination can collide with rolling news coverage and social media, amplifying false claims,

The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear.

These fast-moving mudflows can devastate towns in a matter of minutes.