Fallout of the particles, as big as footballs, were reported at overlooks in the Hawai'i Volcanoes National park.

Satellite images have captured a rare volcanic eruption that occurred Sunday at Ethiopia’s Hayli Gubbi volcano, sending towering ash plumes toward Yemen and Oman. The eruption is the first recorded ...

POPOCATÉPETL VOLCANO, Mexico -- In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions ...