Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Alfred McEwen, a planetary scientist at the University of Arizona, Tucson. In some of Io’s active volcanic plumes, the volatile material apparently even falls to the ground as frozen particles ...

one of the world’s most active volcanoes, erupted again on Hawaii’s Big Island this past Sunday, unleashing towering fountains of lava and sending plumes of ash and volcanic material high into ...

MANILA, Philippines (AP) — A restive volcano in central Philippines briefly erupted Tuesday, spewing a 4.5-kilometer (2.8-mile) ash plume and debris into the sky as its rumblings were heard nearby.

Italy's Mount Etna has erupted again after parts of its southeastern crater collapsed sending plumes of smoke and ash several kilometres above Europe's largest active volcano. Sicily's Mount Etna ...

Italy's Mount Etna has erupted, with large plumes of ash seen rising from the volcano. Images and video from the island of Sicily showed volcanic material spilling out of the volcano on Monday ...

These eruptions play a crucial role in shaping Io’s surface and feeding a tenuous yet dynamic atmosphere dominated by volcanic gases such as sulphur dioxide. The interplay between internal heat ...

A massive eruption at Mount Etna forced tourists to flee the volcano on Monday after a plume of high temperature gases, ash and rock “several kilometers high” billowed into the air above them ...

Videos circulating on social media showed visitors rushing to descend the mountain as volcanic plumes rose overhead. By Nia Decaille Tourists on the Italian island of Sicily were forced to flee on ...

ROME – A huge plume of ash, gas and rock spewed forth on June 2 from Italy’s Mount Etna, Europe’s largest active volcano, but the authorities said there was no current danger to the population.