Rather than a volcanic winter, the Toba eruption 74,000 years ago resulted in several years of warm and dry weather, ...

Strangest of all, scientists have found that its gusts of gas are loaded with tiny crystals of metallic gold, no larger than 20 micrometers. Over the course of a single day, it's estimated that the ...

A satellite image has captured the simultaneous eruptions of Africa’s most active volcanoes, Mount Nyamuragira and Mount ...

This false-color satellite photo from 2014 shows the immense heat emanating from lava lakes at the summits of a pair of ...