Snow covered the summit of Mauna Loa, the world’s largest active volcano, in Hawaii on January 5. While much of the state ...

The Philippines has evacuated nearly 3,000 villagers from a danger zone on the foothills of the Mayon Volcano after officials ...

From volcanic landscapes to world-class observatories, a journey through the Canary Islands reveals a night sky unlike ...

The true date of the eruption has long eluded—and vexed—historians of the deadly disaster. Here’s what the archaeological ...